- Buyers Guide
This reduced-size version of the Xinger®-brand circulator was launched as part of its Break- Through™ line-up. Some benefits of the product include: availability in 1.8, 1.9 and 2.1 GHz, time-saving "no touch" assembly (tape and reel, surface-mount), ideal for interstage locations in PA designs, a return loss of 25 dB typ, isolation of 25 dB typ, insertion loss of 0.40 dB typ., power handling of 20 W and a lead-free finish. Size: 0.5" x 0.5" x 0.2".
Anaren Microwave Inc,
East Syracuse, NY (315) 432-8909. Circle No. 216
Connector Mating Solutions
The Mil-C-5015 series is environmental plugs and hermetically sealed receptacle mating solutions. Multiple pin insert patterns of 10SL-3 thru 20-27 are available from stock. Typical applications for these connectors include test, pressure, laboratory and sensors that require performance under harsh conditions due to moisture, vacuum, vibration and pressure.
BTC Electronic Components,
Raleigh, NC (919) 878-5200. Circle No. 217
SMP Connector Series
The SMP compatible connector series has a design which provides push-on mating characteristics and facilitates tight packaging density due to its small diameter and low profile. These connectors are available in straight and right angle jacks and plugs for cable, bulkhead and PCB edge mount configurations, as well as a jack-to-jack "bullet" adapter. All jacks incorporate an anti-rock ring to preclude radial movement, while plugs are available in full detent, limited detent and smooth bore barrel configurations. Frequency coverage is from DC to 40 GHz in standard 50 Ω impedance. Custom variants are available upon request. Standard housings are manufactured in stainless steel with gold plating.
Compel Electronics Inc.,
Ashland, MA (508) 881-9293. Circle No. 218
Hermetically Sealed Transfer Switch
The P/N 411NTV-2308 high power switch is a hermetically sealed transfer switch with SMA connectors that performs from DC to 1 GHz with upgrade capability up to 18 GHz. DC characteristics include 26 to 32 VDC (28 VDC nominal) with 140 mA typical at 25°C operation. Equipped with a failsafe actuator, this switch has an operating speed of 20 ms (max) but can be upgraded to switch in less than 5 ms. Designed to operate in the harsh environment typical of military applications, the switch can also be utilized as a building block for high power switchable networks. Specifications include SWR of 1.15 (max), insertion loss of 0.2 dB (max), an isolation of 85 dB (min) and RF power of 200 W CW at 400 MHz.
Ventura, CA (805) 650-0260. Circle No. 219
PCS Band Select Duplexer
The model EWT-12-0016 PCS band select duplexer is designed to operate over all of the sub-bands within the PCS frequency range. This duplexer has a passband width of 20 MHz for both the receive and transmit channels. The passband insertion loss is 0.8 dB maximum with typical SWR of 1.4 over the passband and co-channel rejection of > 70 dB. The overall size of this duplexer measures 4.12" x 2.03" x 1.50".
Eastern Wireless TeleComm Inc.,
Salisbury, MD (410) 749-3800. Circle No. 220
Solid-state Power Switch
The 50S-1128 1P2T switch covers a frequency range of 800 to 2000 MHz and has a 1.4 minimum SWR. The insertion loss is 0.5 dB typical (0.75 dB max.) at 800 to 1000 MHz, 0.75 dB typical (1.0 dB max.) at 1000 to 1600 MHz and 1.0 dB typical (1.25 dB max.) at 1600 to 2000 MHz. The isolation is 45 dB typical (40 dB min.) at 800 to 1000 MHz and 40 dB typical (38 dB min.) at 1000 to 2000 MHz. It switches 50 W peak and hot switches 10 W average. It is TTL compatible with a switching speed of 25 microseconds. The RF connectors available are SMA, TNC, BNC and N female.
JFW Industries Inc.,
Indianapolis, IN (317) 887-1340. Circle No. 221
Receive Filter Assembly
The WSFA-00038, 450 MHz receive filter assembly is designed and developed for the Chi- na 450 MHz, CDMA BTS. The WSFA-00038 assembly consists of one high Q cavity bandpass filter, one directional coupler and a low noise amplifier.
K&L Microwave Inc.,
Salisbury, MD (410) 749-2424. Circle No. 222
The model T4M rugged coaxial termination covers the entire frequency range of DC to 50 GHz. SWR is 1.06 to 8 GHz, 1.15 to 26.5 GHz, 1.20 to 40 GHz and 1.25 to 50 GHz. The connector is 2.4 mm male. The unit comes with a plot of SWR using an HP ANA. Operating temperature is -65° to +125°C. The unit is capable of working in military as well as lab environments. Size: 0.84" x 0.36". Delivery: stock to four weeks.
Sunnyvale, CA (408) 734-5999. Circle No. 223
7-16 Lightning Protectors
The QSS 7-16 series rugged waterproof lightning protectors have narrowband capability from 0.3 to 3.5 GHz and wideband of 0.82 to 2.2 GHz. The QSS 7-16 use proven quarter-wave stub technology. These low PIM, high RF power units are ideal for protection of base station and other high power RF transmit antennas or cable entry for telecommunications and commercial bands, such as 3G, PCS, GSM, TETRA and UMTS. Male or female connector versions are available in OEM quantities.
Westford, MA (978) 486-0582. Circle No. 224
These harmonic mixers are for use with spectrum analyzers to achieve millimeter-wave spectrum analysis. Mixers are available for all waveguide bands from 18 to 325 GHz. LO/IF diplexers are available for most modern spectrum analyzers. Measured conversion loss data supplied with emulation of most spectrum analyzers for WR-42 through WR-10.
Oleson Microwave Labs,
Morgan Hill, CA (408) 779-2698. Circle No. 225
The F Series, 450 to 470 MHz drop-in isolator with 100 W of power handling operates over the temperature range of 0° to +80°C. Specifications over temperature are insertion loss 0.5 dB, isolation 20 dB and SWR 1.3 maximum. Size: 38.1 x 45.7 x 9.3 mm.
San Jose, CA (408) 266-7404. Circle No. 226
High Power Waveguide Circulators
These high power waveguide circulators are space qualified, designed to handle high power (up to 500 W average) in a vacuum environment with a predicted multipaction level of 10 kW. The custom circulators incorporate proprietary thermal path technology which allows for efficient heat transfer out of the microwave path of the units. These WR-112 waveguide circulators have low insertion loss of 0.08 dB typ and return losses of 26 dB typ across the operating band of 7.0 to 8.5 GHz.
Sierra Microwave Technology,
Georgetown, TX (512) 869-5007. Circle No. 228
SMT Chip Inductors
The SG-800G chip inductor incorporates features, specifications and outline drawings that comprise the SURFCOIL® line, including the recently introduced 0201 size series, the higher current low DCR 0402 size series, the wirewound 0402 series, two wirewound 0603 size series and a higher current 1812 size series. Laser cut, wirewound-on-core and molded bobbin wound types are available. The charts list inductance, Q, self-resonant frequency, rated current and DC resistance.
Sprague-Goodman Electronics Inc.,
Westbury, NY (516) 334-8700. Circle No. 229
ZMA Adapters and Cable Connectors
This is a "family" of ZMA cable connectors and in-series as well as between-series adapters. These new connectors are for use in constricted spaces and in vibrating environments. Securely latched with only a quarter hand turn, the ZMA is available in many configurations. These include cable connectors for HP190 and HP290. In addition to the in-series, between series adapters are available to TNC and SMA. ZMA connectors are electrically equivalent to SMA and are of stainless steel construction.
SRI Connector Gage Co.,
Melbourne, FL (321) 259-9688. Circle No. 230
+22 dBm Low Noise Amplifier
The model AML218P3403 amplifier operates in the 2 to 18 GHz frequency range, provides a minimum 34 dB gain with an output power at 1 dB gain compression of +22 dBm minimum. Noise figure is below 3 dB across the entire bandwidth. Input and output SWR is 2.0 nominal. Operating at +15 VDC, this amplifier typically draws 360 mA current. Internal DC regulator, reverse voltage protection and field removable SMA(f) connector shells are standard. The product is packaged in an AML housing measuring 1.16 inches long by 0.75 inches wide. Modules are also available as carrier-mounted substrates.
AML Communications Inc.,
Camarillo, CA (805) 388-1345. Circle No. 231
75 W Broadband Amplifier
The model 75A400 broadband amplifier spans the frequency range from 10 kHz to 400 MHz. This amplifier meets the need for a dependable, cost-efficient amplifier for conducted susceptibility testing per DO-160D. This commercial aircraft standard differs from the IEC standard in that the frequency range is broader - 10 kHz to 400 MHz, instead of IEC's 150 kHz to 80 MHz. The model 75A400 meets the aircraft standards and is also ideal for antenna and component testing. This self-contained, air-cooled, solid state amplifier unit has a rated power output of 75 W. Utilization of push-pull MOSFET circuitry lowers distortion, improves stability and allows operation into any load impedance without damage.
Souderton, PA (215) 723-8181. Circle No. 232
This family of "LEE" MMIC amplifiers is highly reliable, extremely broadband and low in cost. These amplifiers have good electrical performance, with up to 17.3 dBm flat output power to 10 GHz. There are five models being introduced in this family, housed in a leadless 3 x 3 mm low profile package with exposed metal bottom for good grounding and heat dissipation. This series offers high reliability and repeatability. They are ideal for the cellular, PCS, communication receivers and transmitters as well as for satellite communication and military applications. Price: $1.19 ea. (25).
Brooklyn, NY (718) 934-4500. Circle No. 233
X-band Low Noise Amplifier
The model NLC00408 low noise amplifier with single supply using a thin film hybrid MIC process achieves robust characteristics over a temperature range of -30° to +70°C. The amplifier incorporates an internally protected voltage regulator, reverse polarity protection and can be biased in a wide range of DC voltage, with 1 dB compression point of 13 dBm typical. Noise figure is 2.4 dB typical. It utilizes SMA-F connectors and is ideal for radar and space communication applications.
Nextec Microwave and RF Inc.,
Santa Clara, CA (408) 727-1189. Circle No. 234
The CV multi-chip module (MCM) converter series is a line of surface-mount downcoverter modules for current and next generation mobile infrastructure base station applications. The CV210-1, CV210-3 and CV211-1 are a line of high linearity, dual and single-branch converters targeting specific wireless telecom bands. Ultra-reliable GaAs MESFET and InGaP HBT process technology enable the optimum mix between size, performance and cost in a 28-pin, 6 x 6 mm, quad-flat no-lead (QFN) surface-mount package. Functionality includes frequency conversion via integral LO driver amplifiers powering the passive mixer with the option of off-chip IF filtering. The integral LO driver amplifier enables operation directly from the synthesizer. Price: $6.99 (10,000).
San Jose, CA (408) 577-6200. Circle No. 237
The model A4430, cavity-backed spiral antenna provides broadband coverage from X through Ka frequency bands. This antenna is designed for airborne subsonic or supersonic electronic warfare (EW) or communication, navigation and identification (CNI) applications. The antenna is available in phase and/or amplitude matched sets, can be lefthand-circularly or righthand-circularly polarized, and provides gain of -2 dBic at 8 GHz, +3 dBic at 18 GHz and -3 dBic at 40 GHz. It weighs 1.2 ounces, includes an integral 2.99 mm coaxial connector and custom protective radomes can be provided. This spiral antenna is particularly well suited for EW or CNI applications where weight and size are at a premium, such as on UAVs. The antenna can also be used as a broadband feed element for reflector antennas.
Nurad Technologies Inc.,
a division of Chelton Microwave,
Baltimore, MD (410) 542-1700. Circle No. 240
Ceiling Mount Antenna
The SM1852PSMF, 2 dBi omnidirectional ceiling mount antenna is designed for use in the PCS band from 1850 to 1990 MHz. The antenna employs versatile easy to install clips for mounting and a ceiling support T-bar. The antenna mounting system is adjustable for ceiling tile depth variances of as much as 0.5" from the ceiling grid support system. Size: 2.0" x 1-5/8" x 1/4".
Manchester, NH (603) 627-7877. Circle No. 238
Dual Band Wireless Antenna
Model OG-860/1920/GPS is a dual band (800 and 1900 MHz) wireless antenna combined with an active antenna for global positioning system (GPS). Designed for use in time-difference of arrival location systems, the antenna provides receive capabilities for both wireless phone bands and precision timing signals derived from the constellation of GPS satellites operated by the US Department of Defense. The antenna is 13-1/2" long and has a diameter of 2-1/2".
Medford, OR (541) 779-6500. Circle No. 239
EMI Shielding Gaskets
These GORE-SHIELD® GS8000 EMI gaskets are ideal for applications that require conformability, good inter-cavity EMI shielding and conductivity at low compressive forces. The gasket's low closure force makes them suitable for flexible housing materials and allows for reduction of screw locations. Less than 3.4 N/cm of pressure is required to compress the gaskets from a nominal starting thickness of 1 mm to a compressed thickness of 0.4 mm. At this point, DC resistance is less than 10 mW for a 19 mm2 donut, and shielding effectiveness is greater than 90 dB.
W.L. Gore & Associates Inc.,
Elkton, MD (410) 392-4100. Circle No. 242
10 W GaAs FET
The AM 300MX-CU is part of a series of GaAS MESFET products. This device has a total gate width of 30 mm and is offered in a specially designed ceramic package with straight leads and flange in a drop-in mounting style. The flange at the bottom of the package serves simultaneously as DC ground, RF ground and thermal path. Typical performance at 3.0 GHz (TA = 25°C) when Vds = 7 V and Ids = 0.5 Idss is P1db = 39.5 dBm; Eff at P1db = 30 percent; gain (small signal) 9 dB, IP3 = 51 dBm. It is well suited for wireless communications applications including WLAN, MMDS/MDS, PCS base stations, repeaters and hyperlan.
Clarksburg, MD (301) 353-8400. Circle No. 241
Coax Connector Cap Press
This RF connector cap press holds and aligns right angle RF connectors and presses in the end cap after the connector is terminated to a cable. The special feature of this tool is the fixturing to support any connector in the proper location so that the pressure required to press the cap in does not damage any part of the connector. The press comes with fixtures for SMA, MCX and MMXC connectors. Fixtures for other connector series must be ordered separately.
Florida RS Technology,
Palm City, FL (772) 221-8188. Circle No. 244
The ProtoMat H100 circuit-board plotter system allows significant reduction in the produc- tion time of prototype PCBs. The H100 includes features derived from high volume production systems. These features include automatic tool change, tool calibration through optical sensor and a camera system for automatic fiducial recognition. This eliminates user interaction and simplifies the board alignment process. This system also includes an integrated vacuum tabletop allowing proper mounting of thin and flexible substrates on the plotter.
LPKF Laser & Electronics,
Wilsonville, OR (503) 454-4233. Circle No. 245
International Design Software
This GENESYS suite of design software is now available in an international version. This release of version 2003.03, will offer power, speed and accuracy of GENESYS for engineers and designers for whom English is not their first language. Designers can now label parts, write equations and notes, and name files and workspace objects in their native languages. This may be Japanese, Korean, Chinese, Russian, or any language compatible with Microsoft Windows. Designers use their local language keyboards, and key layouts may be easily changed to support multilingual workspaces. Since GENESYS is a Unicode application, files can be exchanged worldwide with full compatibility.
Norcross, GA (678) 291-0995. Circle No. 246
This RFCalc is a FREE software calculator specifically designed for RF and microwave engineers. With its easy-to-use Microsoft Windows calculator "look and feel," it incorporates a multitude of functions and computation capabilities, which are guaranteed to save time when analyzing everyday engineering problems. RFCalc features common conversion functions, scientific databases and additional RF tools. To download a copy, go to www.milmega.co.uk/rfcalc.html.
Isle of Wight, UK +44 1983 618005. Circle No. 248
This Web-based phase lock loop (PLL) phase noise calculator tool is written in Java. Synthe- sizer designers will find this tool useful for selecting the HMC divider, phase frequency detector and VCO product to simulate and achieve optimal PLL phase noise. The calculated output depicts the phase noise of each of the PLL elements along with the PLL synthesizer phase noise. The tool shows which element contributes to the PLL noise floor versus the offset frequency.
Hittite Microwave Corp.,
Chelmsford, MA (978) 250-3343. Circle No. 247
This 20 GHz frequency oscillator is locked to 5 MHz reference input in a single loop. Some features include: an output power of +12 dBm min (optional 17 dBm), an operating temperature range of -45° to +75°C, a spurious level of < -90 dBc, DC to 200 MHz: < -125 dBc. The oscillator offers a power consumption of +12 to +24 VDC, < 400 mA, a phase noise of < -120 dBc at 100 kHz offset and harmonics of £ -20 dBc and alarm options of TTL, relay open and relay close. The SPDRO series can be customized to meet special applications. Size: 2.25" x 2.25" x 0.62".62".
Rockleigh, NJ (201) 767-8030. Circle No. 249
Phase-locked Frequency Synthesizers
These phase-locked frequency synthesizers are ideally suited for use as low cost solutions for broadband test oscillators. Supplied as fixed-frequency or serially-programmable precision phase-locked oscillators, the synthesizers are designed to cover the frequency range from 50 MHz to 12 GHz in up-to-octave bandwidths. These synthesizers use an internal or external frequency reference for high stability, and exhibit exceptionally low phase noise characteristics. The phase-locked frequency synthesizers are supplied with internal regulators, internal buffer amplifiers and typically operate over the temperature range of -30° to +70°C. The aluminum housings can be hermetically sealed for use in military or other high reliability applications.
EM Research Inc.,
Citrus Heights, NV (916) 339-0170. Circle No. 250
The DFE S4-LH and KH series of high stability miniature temperature compensated crys- tal oscillators (TCXO) offers the tight stability required for wireless base station applications. The SMD package is a drop in replacement for a standard OCXO PCB layout and implements its enhanced temperature compensation system to achieve ±0.1 ppm stability over 0° to 70°C or ±0.2 ppm over -40° to 85°C. The oscillators have current consumption less than 20 mA and are available with in 3.3 V LVCMOS (DFE S4-LH) and 5 V HCMOS (DFE S4-KH). Size: 25 x 22 x 11 mm.
Fordahl USA Inc.,
Gainesville, GA (770) 888-0104. Circle No. 251
High Frequency TCVCXO
This TCVCXO oscillator offers an increased frequency of up to 160 MHz. The FOX783 os- cillator is ideal for telecommunications, base stations, test equipment, avionics and other high frequency applications. The oscillator features a standard frequency stability of ±2.5 PPM over 0° to +70°C, and 0.3 PPM over both voltage change and load change. Operating temperature range of the FOX783 is 0° to +70°C, storage temperature range is -30° to 75°C and input current is 50 mA. Price: $40 (1000). Delivery: six to 12 weeks ARO.
Fort Myers, FL (888) GET-2-FOX. Circle No. 252
Fast Indirect Synthesizer
This fast indirect synthesizer (FIS) has settling times of typically 15 microseconds. The FIS will cover a basic frequency range of 2 to 18 GHz with options to expand it to 0.5 to 20 GHz. Power output is +10 dBm, minimum. The FIS offers dual mode capability. In the free-running DTO mode, the specifications are similar to those of General Microwave's high performance model D6218 2 to 18 GHz DTO. These include fast settling time of 1 microsecond, modulation bandwidth of 10 MHz and a deviation bandwidth of 500 MHz, ±5 percent, over the entire 2 to 18 GHz frequency range. The FIS operating temperature range is -54° to +85°C. Size: 9.2" x 6.3" x 1.5".
Herley Industries (General Microwave),
Farmingdale, NY (631) 630-2000. Circle No. 253
VFS Multi-source Oscillator
The VFS unit is a high performance multi-source oscillator, which is capable of providing up to three discrete frequencies one at a time, and is enclosed in a package size of 4.80" x 3.50" x 1.1". The frequency range of operation is 1 to 16 GHz with a bandwidth of approximately 20 percent, and an output power of +13 dBm minimum.
Hauppauge, NY (631) 436-7400. Circle No. 256
The 20 and 40 GHz frequency doubler (multiplier) has a 12 to 14 dB conversion loss with a fundamental frequency 10 dB down from the second harmonics. The doublers can be customized to various customer application needs and are available in surface-mount, drop-in, hybrid module or other types. This high quality, high performance product can be used in various microwave and instrumentation applications.
Milli Optics Inc.,
Portland, OR (503) 629-0680. Circle No. 255
The AD1020 is an amplifier/doubler that doubles a 10 to 20 GHz input to a 20 to 40 GHz output. Input levels from -2 to +2 dBm are converted to a typical output level of +7 dBm. The AD-1020 is designed for fiber-optic clock-recovery/acquisition applications and is available in both connectorized and carrier outlines. The AD1020 has a typical fundamental suppression of 15 dBc and a third harmonic suppression of 25 dBc. The supply requirements are +5V at 100 mA and -5V at 10 mA.
Marki Microwave Inc.,
Morgan Hill, CA (408) 778-4200. Circle No. 254
Low Noise Oscillator
The model YOM1722 miniaturized ultra stable low noise YIG oscillator covers a frequency range of 3.5 to 9.5 GHz with a minimum RF output power of +13 dBm. The FM noise is -125 dBc at 100 kHz offset with an operating temperature of -54° to +85°C. The unit is stable over the frequency range inclusive the drift and linearity typically by ±4 MHz. This unit can be integrated with an analog or digital driver if required. This unit is ideal for ECM systems, spectrum analyzers and numerous other microwave systems and equipment for rejecting unwanted or incoming RF signals or spurious responses. Delivery: three months ARO. Size: 1.0" x 1.0" x 1.0".
Santa Clara, CA (408) 988-0843. Circle No. 257
High Performance Voltage-controlled Oscillator
The ultra wide band oscillators come with an extended bandwidth from 2.0 to 26.5 GHz. Some features include high power output directly from the oscillator, ultra broad bandwidth with good phase noise density, high stability against load "pulling" due to high isolation, integrated voltage regulator makes devices unsensitive to external power supply variations, and low spurious content, an integrated low pass filter rejects overtones. The oscillator family has applications in instruments and sensors and all types of high performance microwave applications.
Sivers IMA AB,
Kista, Sweden +46 8 703 68 00. Circle No. 258
Multi-carrier Power Amplifier Testing
This GS-9200 multi-carrier power amplifier (MCPA) test platform enables base station and contract manufacturers to speed MCPA production while reducing overall cost of test. The extensive integration of the MCPA test system's application-specific hardware and software reduces test development and deployment time by more than 30 percent when compared to test systems built for components. The GS-9200 can be tailored for individual testing needs and reconfigured to meet future requirements to extend the lifetime of test assets within R&D and manufacturing. Price: $300,000.
Santa Clara, CA (800) 452-4844. Circle No. 259
The NC1128A amplified noise module is for 10 Gbps electro/opto interface testing. This module produces amplified noise over the entire 10 MHz to 10 GHz range. The NC1128A offers an output noise density of -117 for a total output power larger than -17 dBm. The noise has a quality crest factor larger than 5:1 and an impedance match better than 2:1. The noise module is used to set the signal-to-noise ratio at the electro/opto interface for noise figure and bit-error-rate testing.
Parsippany, NJ (201) 267-8797. Circle No. 263
RF/IF Coaxial Matrix
The model 10840 32 x 32 RF/IF coaxial matrix switching unit connects any of 32 inputs to any combination of 32 outputs under RS-232 or IEE-488 control. Its bandwidth of 5 to 250 MHz covers the HF and VHF bands plus the important IF frequencies 70 and 160 MHz. It is non-blocking, full fanout design. The system features unity gain at full fanout, giving it a high degree of versatility to speed setup time, and up to 40 stored switching configurations may be recalled. Some additional features include crosspoint verification, front panel keypad control and LCD display.
Matrix Systems Corp.,
Calabasas, CA (818) 222-2301. Circle No. 261
Amplified Noise Modules
Two amplified noise modules configured for Wi-Fi and Wi-Fi5 interference testing are be- ing introduced. These stable devices are specifically designed for the 2.4 and 5 GHz ISM bands, respectively, and deliver a robust -80 dBm/Hz spectral density output to perform a full suite of interference tests whether in the R&D lab or for production test.
Hudson, NH (603) 883-2900. Circle No. 262
Hard Metric Cable Assemblies
This system is configurable to any shielding location and can utilize any coax cable with a maximum O.D. of 0.068". Group skew in the wafer or from wafer to wafer can be maintained accurately to within a few picoseconds to ensure all of the signals arrive at the same time. 2 mm hard metric (complies with IEC 1076-4-101) for cable to board applications with minimum cross talk and signal rise times measured in picoseconds. The HM system is a modular 2 mm signal-contact-pitch cable connector with pins arranged to stackable 1 x 5 wafers for optimum performance.
St. Augustine, FL (800) 458-9960. Circle No. 264
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