- Buyers Guide
Eight-way Power Divider
The 1-AD series of eight-way power dividers offers excellent phase and amplitude balance between ports for phased array signal applications. The series has 50 W impedance with a 1 W power rating from 2 to 500 MHz, phase balance of 0.5° and an amplitude balance as low as 0.1 dB. Additional specifications include an insertion loss of 1.35 dB above the 9 dB power split and isolation as high as 30 dB. Standard connectors include BNC, TNC and SMA. Other configurations are available.
Bird Component Products Inc. (BCP), Largo, FL (727) 547-8826.
Circle No. 216
The SloWave™ delay line offers numerous advantages over alternative technologies, including two surface-mount packaging options (ball-grid and J-lead), an orientation independent footprint, small physical outline, excellent temperature stability (< 2 ppm/°C), low insertion loss (< 0.3 dB/ns), and less than 0.5° p-p phase ripple. The SloWave is available in frequency ranges from 800 MHz to 2.7 GHz and in delay times from 3 to 20 ns. The product is ideal for applications in feedforward amplifier designs, ECM systems, microwave altimeters, radar systems and cellular base station applications.
EMC Technology, Cherry Hill, NJ (856) 429-7800.
Circle No. 252
The model 6010265 broadband matched-line directional divider offers high isolation and low insertion loss. It operates over the entire 1.0 to 26.5 GHz frequency, SWR is 1.6 (max), insertion loss is 1.6 dB (max) and isolation is 19 dB (min). Amplitude tracking is < 0.3 dB and phase tracking is < 10°. The unit has better specifications when used in the 1 to 18 GHz band. Applications include power and frequency monitoring as well as summing of output power from multiple power amplifier inputs. Delivery: stock to three weeks.
Krytar, Sunnyvale, CA (408) 734-5999.
Circle No. 218
High Current Filters
This line of high current filters is available in both bolt and broadband package configurations. Capacitance ranges from 10 nF to 2 mF depending on voltage rating. Terminals are of the solder or threaded stud variety. Rated voltages are from 50 to 500 V DC as well as 125 and 240 V AC, 60 to 400 Hz. Current ratings from 25 to 100 A are available. Thermal efficiencies are excellent with maximum free air temperature rise of 20°C for the 100 A devices. Common applications include power supplies, communications base stations, power generation equipment and diagnostic imaging equipment.
Pacific Aerospace and Electronics Inc., Wenatchee, WA (509) 665-6500.
Circle No. 219
Miniature High Performance Synthesizers
The UPLH series of miniature high performance synthesizers operates at 5 V and is ideal for PCS/CDMA base station applications with exceptional phase noise. The units have a typical tuning bandwidth of 60 MHz. Higher bandwidths are available upon request. Size: 0.75" x 0.75" x 0.25".
Synergy Microwave Corp., Paterson, NJ (973) 881-8800.
Circle No. 220
These SMP connectors are an ideal choice for high density applications. They offer a broad frequency range and can be used up to 40 GHz, making them extremely versatile. The small size of the connectors permits connector spacing as close as 0.17", which reduces the overall packaging size. Furthermore, the SMP connectors weigh less than other connectors and are less susceptible to shock and vibration, contributing to lower overall package weight. The SMP components snap together, which reduces assembly and test time, and provides mis-alignment forgiveness. These connectors have passed the extensive testing of the Defense Electronic Supply Center (DESC) as well.
Tensolite, Andover, MA (978) 247-0600.
Circle No. 221
Coaxial Cable Assemblies
These coaxial cable assemblies can include flexible and semi-rigid types ranging from 0.074" to 1.200" OD, produced in lengths up to 150 feet, with any gender combination of plugs, jacks and panel mounts. Manufactured to specification, the assemblies can incorporate straight-through and right angle connectors and special insulations, gaskets, jacketing, strain relief clamps and other characteristics. The connectors are manufactured to MIL-C-39012 with interfaces per MIL-STD-348 and a wide range of cable options is available.
Tru-Connector Corp., Peabody, MA (800) 262-9878.
Circle No. 223
High Power Dual Band Diplexer
The model 9190D miniature cavity diplexer combines or splits high power 900 MHz band GSM and 1.8 GHz band DCS signals. It eliminates the need for two tower feed cables at the base station and covers the full DCS and GSM bands with < 0.3 dB of insertion loss with enhanced isolation > 65 dB between bands. Return loss is better than -17 dB in all ports. RF power capability is > 250 W. The model 9190D comes with standard 7/16 connectors with type-N optional. Size: 3.0" x 6.0" x 1.5".
Wireless Technologies Corp., Springdale, AR (501) 750-1046.
Circle No. 224
SP8T Non-reflective Switch
The model HMC322LP4 broadband non-reflective GaAs MESFET SP8T switch is packaged in a low cost leadless surface-mount package. Covering DC to 7.0 GHz, it offers high isolation and low insertion loss and extends the frequency coverage of the company's SP8T switch line. This switch also includes an on board binary decoder circuit that reduces the required logic control lines to three. The switch operates using a negative control voltage of 0/-5 V, and requires a fixed bias of -5 V. The HMC322LP4 is suitable for usage in 50 or 75 W systems, and can service broadband applications including test equipment, fiber optic switching applications and various wireless standards below 7.0 GHz.
Hittite Microwave Corp., Chelmsford, MA (978) 250-3343.
Circle No. 217
Low Noise Amplifier
The model AL0108-338 packaged GaAs PHEMT switchable-gain low noise amplifier is a leadless, surface-mount QFN-16 MMIC package that yields low noise, good 50 W match, high gain and powerful P1dB performance. The amplifier is designed for 3.5 GHz fixed wireless applications. It matches input and output to 50 W. Key specifications include a frequency range of 3.2 to 3.8 GHz, adjustable gain, +7 dBm output power, +17 dBm output IP3 and 2.7 dB noise figure. Powered by a 5 V supply, the AL108-338 provides a 10 dB gain adjustment range. Size: 4 x 4 mm. Price: $1.45 (100 K).
Alpha Industries Inc., Haverhill, MA (978) 247-7905.
Circle No. 225
Broadband Power Amplifier
The model AR88258-150 high power GaAs Fet power amplifier provides a minimum of 150 W (1 dB compression point) over the full 800 to 2500 MHz frequency band. This combination of bandwidth and linear power make it ideal for linearity testing. The unit operates from 220 V AC, 50/60 Hz. An optional IEEE-488 control/monitor interface is also available. Size: 17.50" x 19.00" x 26.25".
Comtech PST, Melville, NY (631) 777-8900.
Circle No. 227
UHF TV Linear Pallet Amplifier
The model P150-UHF integrated TV linear amplifier is designed with the TV integrator in mind. Performance is conservatively specified at 150 W of linear output power, 400 W Pk sync with pre-correction applied, 14 dB gain (at channel 69), and -58 dBc IMD with stable operating voltage of 28 to 32 V DC. Features include temperature compensated bias, temperature controller, high temperature alarm with automatic PA disable, amplifier disable, current sense (each transistor) and connectorized power and I/O. No RF assembly or circuit tuning is required.
Delta RF Technology Inc., Reno, NV (775) 335-8273.
Circle No. 253
This high efficiency 100 W RF amplifier module operates from 225 to 400 MHz. The DC module operates from 28 V DC and has a gain of 10 dB with an efficiency greater than 50 percent. The unit can be customized for gain and frequency for the SATCOM band with 120 W output power. This amplifier module is used in systems qualified to MIL-STD-810E and in DAMA certified systems. Size: 3.2" x 2.0" x 1.0".
LCF Enterprises, Post Falls, ID (208) 415-4300.
Circle No. 228
The model ADA0512 amplifier/doubler/amplifier doubles a 5 to 12 GHz input to a 10 to 24 GHz output. A 5 to 8 dBm input is converted to a typical output power of +16 dBm. It is designed for the communications market and is available in both connectorized and carrier outlines. The ADA0512 has a typical fundamental suppression of -20 dBc and a third harmonic suppression of -25 dBc. The supply requirement is 5 V at 120 mA.
Marki Microwave Inc., Morgan Hill, CA (408) 778-4200.
Circle No. 229
The model PEC-18-0R1518R5-12-SFF switchable amplifier contains a TTL controlled atten- uation feature. The amplifier operates from 150 MHz to 18.5 GHz. In the "on" state, the amplifier provides a nominal gain of 18 dB with a flatness of ±1.5 dB (max). The output P1dB is +17 dBm and the noise figure is < 5.0 dB over 80 percent of the bandwidth and 6.8 dB (max). The input/output SWR is better than 2.0. In the "off" condition, the amplifiers gain is attenuated by 20 dB. The unit operates at 380 mA at +12 V DC and 60 mA at -12 V DC. Other gain/attenuation values and packages are available.
Planar Electronics Technology Inc., Frederick, MD (301) 662-5019.
Circle No. 230
The MDADC40 40 Gbps series of driver amplifiers offers 20 kHz to 43 GHz performance for OC-768/STM-256 transmit applications. The series is optimized for high power output to drive lithium niobate modulators. Single-ended output voltage is 8.0 V p-p. 10, 20 and 30 dB gain modules are offered. AGC level adjustment allows output voltage amplitude variation for Vpi matching to the modulator.
Sophia Wireless Inc., Chantilly, VA (703) 961-9573.
Circle No. 232
802.11 Dual-band Power Amplifier
The model RFSP5910 dual-band power amplifier provides excellent connectivity, access and coverage to 802.11a and future 802.11g networks and is also backward compatible to operate with the existing 802.11b networks. The single-chip power amplifier is targeted for network interface cards that can address both 802.11a and HiperLAN/2 at 5 GHz as well as 802.11b and 802.11g at 2.4 GHz. The part is suitable for orthogonal frequency division multiplexing (OFDM) technology in the two U-NII sub-bands from 5.15 to 5.35 GHz and both OFDM and direct sequence spread spectrum at 2.4 GHz.
RF Solutions Inc., Norcross, GA (770) 263-2600.
Circle No. 231
Low Noise Amplifiers
These low noise amplifiers (LNA) give full band performance in the millimeter-wave bands covering 33 to 50 GHz (WR-22) and 40 to 60 GHz (WR-19). Typical gain across the frequency range is 18 to 20 dB with noise figures at 3 dB (typ). Low DC requirements of 50 mA at 8 to 11 V DC. These LNAs are also available in U and Z shaped configurations.
Spacek Labs Inc., Santa Barbara, CA (805) 564-4404.
Circle No. 233
Dual Band Antenna
The model 774G90V1ESXM high gain, dual band antenna features the company's Vari- Tilt™ technology, which allows field adjustable electrical downtilt. It operates on the 850 and 1900 MHz frequencies providing system operators with a single antenna that includes two independent arrays for the different frequency bands. The antenna provides 0° to 10° of field adjustable electrical downtilt on the 850 MHz array. This allows the system operator to quickly re-establish the same basic coverage footprint with little performance risk.
Decibel Products, Dallas, TX (800) 676-5342.
Circle No. 234
Remote Rotation and Polarization Controller
The model 0119-800 computerized feed rotation and polarization selection system uses state-of-the-art low power CMOS technology. The heart of the system is a remote slave controller, which executes feed rotation and polarization selection commands sent via a master or host computer. The master controller provides a simple user interface with pre-set increments for controlling rotation and polarization through a VGA color touch-screen display. Using a fiber-optic modem, the master controller can operate the remote slave unit from a distance of up to two miles. The remote unit also can interface directly with a host controller computer to allow adjustments to absolute polarization settings. The 0119-800 also features a 3.4 to 4.8 GHz quad-ridged horn feed.
Seavey Engineering Associates Inc., Pembroke, MA (781) 829-4740.
Circle No. 235
This 7 W, 7.5 V LDMOS is designed to operate from DC to 500 MHz with low cost plastic molding, which significantly reduces the price. The output rating at 500 MHz is 7 W and the minimum gain is 10 dB. The devices are suitable for operation in communications and laser drivers.
Polyfet RF Devices, Camarillo, CA (805) 484-4210.
Circle No. 236
Design and Simulation Software
SystemView WiFi 802.11b Library adds IEEE 802.11b specification requirements to the existing 802.11a functionality, already provided through the SystemView Communication Design Suite. The WiFi library incorporates all IEEE 802.11b capabilities, enabling easy design and simulation of WiFi systems. Support at both frame-generation and individual component level allows rapid analysis of different design approaches, accelerating the design and implementation process. The Library features long and short PPDU format preamble and header, channel agility through frequency hop scheduling, PLCP long/short scrambler for generating synchronization field, CRC16 CCITT encoder/checker for PLCP header and full 802.1b packet generation.
ELANIX Inc., Westlake Village, CA (818) 597-1414.
Circle No. 238
Navigation Control Software
netProbe™ navigation control software is designed for analytical probing stations. It has DDE, RS-232 and GPIB communications capability so that it can easily interface with other applications and parametric testers. Navigating to probing sites, creating wafer maps, stepping through die test routines and storing location and measurement results is made easier with this software. netProbe is available for Windows 95/98/NT and optional versions are also available for Sun Solaris, UNIX, LINUX or Macintosh operating environments.
The Micromanipulator Co., Carson City, NV (775) 882-2400.
Circle No. 239
Militarized Rubidium Oscillator
The model 8130A militarized rubidium oscillator is ideal for use in tactical applications where shock, vibration, humidity and other environmental factors are a challenge. The circuit boards are conformal coated for moisture resistance, and special precautions are taken for improved shock and vibration hardening. Use of a filtered power/monitor connector minimizes EMI emissions and susceptibility. Designed for ease of integration into frequency and timing systems, the 8130A offers a smaller size MIL atomic frequency reference. The oscillator offers dual 5 or 10 MHz sine or squarewave outputs, separate heater and electronic power lines, +15 or +22 to 32 V DC power options, low phase noise option and internal temperature compensation option.
Datum-Timing Test & Measurement, Beverly, MA (978) 927-8220.
Circle No. 240
The UVV (VCXO) and UVC (clock oscillator) series crystal oscillators operate at 3.3 V and provide either LVPECL or LVDS compatible outputs. The oscillators were originally developed to offer superior temperature vs. noise performance and are ideal for SONET, SDH, ATM, gigabit Ethernet, Fibre Channel and MAN applications in frequencies up to 650 MHz. The higher frequency capability now allows for these products to be used in forward error correction circuits as well as other high frequency applications. Features include all inclusive stability as low as ±20 ppm over -40° to +85°C, tightened symmetry (45/55 percent), tri-state and jitter performance of 3 ps (typ). Delivery: stock to three weeks.
M-tron Industries, Yankton, SD (605) 665-9321.
Circle No. 242
The Ultra Series custom oscillators feature ±0.50 ppm frequency stability over -40° to +85°C and phase noise of -135 dBc/Hz at 1 kHz offset (typ). The oscillators are available in frequencies up to 100 MHz. Size: 19 x 19 mm.
Netcom Inc., Wheeling, IL (847) 537-6300.
Circle No. 243
The model XOV222 low noise voltage-controlled crystal oscillator is designed with portable applications in mind and operates on +12 to +15 V DC with a typical current draw of 50 mA. The oscillator offers an excellent solution for very low noise requirements where space is a problem. Mounting is by five PC pins. The unit is available at frequencies from 125 to 250 MHz and output power is +8 dBm (min). Operating temperature range is 0° to +50°C. Phase noise is -110 dBc at 110 Hz offset with a noise floor of -158 dBc/Hz at 240 MHz center frequency. Size: 1.5" x 1.5" x 0.5". Price: $430 (two to four). Delivery: eight weeks (ARO).
Techtrol Cyclonetics Inc., New Cumberland, PA (717) 774-2746.
Circle No. 244
Phase-locked Loop Modules
This family of phase-locked loop (PLL) modules is designed for base station applications, and integrates the PLL IC, the loop filter and the VCO. Integration means less work for designers, less components for manufacturers and reductions in size, as well as a reduction of total costs. Operating in the 851 to 877 MHz frequency range, the EW SY 1600 LL module exhibits low phase noise (-110 dBc/Hz, offset=10 kHz) and high linearity.
Thales Microsonics, Cedex, France +33 (0) 4 972 33145.
Circle No. 245
Voltage Tuned Dielectric Resonator Oscillators
This line of voltage tuned dielectric resonator oscillators (VTDRO) are specifically designed for the commercial SONET market. The oscillators are small, ultra-stable, low phase noise units with superior harmonic rejection. They are guaranteed to operate over a 0° to 80°C range with less than 5 ppm/C drift. The typical phase noise at 100 kHz offset from the 9.95328 carrier is -115 dBc/Hz and guaranteed to be no less than -105 dBc/Hz at 100 kHz offset from carrier. An external tuning voltage from -5 to +5 V produces a minimum of 20 MHz of electrical tuning. The modulation bandwidth of the tune port is 1.5 MHz. All harmonics are guaranteed to be below -60 dBc. The unit operates from a +12/-12 V supply, but other voltage options are available. Size: 1.5" x 1.5" x 0.5".
TRAK Microwave Corp., Tampa, FL (813) 901-7200.
Circle No. 246
Miniature Crystal Oscillator
The EX-380/385 series evacuated miniature crystal oscillator (EMXO) bridges the gap be-tween current large, high precision OCXOs and smaller TCXOs and is an ideal choice when there is a need for spectral purity, and short and long term stability, along with small size and reduced power consumption. The oscillators provide low aging rates and high temperature stabilities over a wide range of environmental conditions. Standard supply voltages for the EX-380 series are 3.3 and 5 V DC, with 12 V DC also available, all with an HCMOS output. The units are ideal for SONET/SDH, DWDM, FDM, ATM, 3G, telecom transmission and switching equipment, wireless communications equipment, and military airborne and mobile systems. Price: $100 to 125 (1000). Delivery: 12 to 16 weeks (ARO). Size: 20.8" x 13.2" x 7.6".
Vectron International (VI), Norwalk, CT (203) 853-4433.
Circle No. 247
The model YH1310 high performance OCXO features a small, Euro package and is available from 10 to 30 MHz. Available in small quantities and custom configurations, typical phase noise at 100 Hz is -147 dBc/Hz for a 10 MHz output frequency. Stability is ±3 x 10-8 over -20° to +70°C. This model is ideal for cellular base station and a variety of instrumentation applications.
Greenray Industries Inc., Mechanicsburg, PA (717) 766-0223.
Circle No. 241
Compact Phase-locked Loop
The model PCA0163A phase-locked loop (PLL) integrates the phase detector, loop filter and VCO, using advanced semiconductor chip scale packaging technology with 0201 components. Operating at a frequency range of 160 to 170 MHz with an 80 kHz step size, this device is ideally suited for fixed broadband wireless systems. This PLL offers a clean spectral signal of -80 dBc at a 10 kHz offset and -105 dBc at 100 kHz offset or, equivalently, an RMS phase error of 1° integrated over 100 Hz to 100 kHz. The PCA0163A offers a maximum startup lock time of 4 ms while delivering 0 ±2 dBm into a 50 W load. The harmonic suppression for this module is -10 dBc and sideband reference spurs are attenuated at greater than -70 dBc. Size: 0.50" x 0.50" x 0.14".
Z-Communications Inc., San Diego, CA (858) 621-2700.
Circle No. 248
60 GHz Radio
The Fiber Connection™ series radio operates in the 60 GHz (57 to 64 GHz) unlicensed band, and is designed to carry synchronous based (SONET: OC-3 or OC-12) data traffic. The radio is designed to support a variety of short-range applications (distances up to 1 km) and to operate in environments where frequency congestion is a concern. Signal absorption by oxygen and use of narrow beamwidth antennas allow for a frequency re-use factor of one.
SierraCom, Hopkinton, MA (508) 435-2400.
Circle No. 254
The NV1330 series UV YAG-machining system is designed for use as a production platform for the micro-cutting of grounding straps used for ESD protection of critical surface-mounted parts such as chip lasers and inductor coils used in telecommunications and read/write disk drive modules during assembly. Purpose built, the UV laser system is capable of terminating or cutting thin metal and dielectric films. The optical system incorporates an in-line attenuator module, telescope optics and a multi-element imaging lens for high resolution work. Using a Windows NT platform the NV1330 comes standard with stop/repeat drilling or cutting as well as contouring software to allow for direct write processing, with capabilities for continuous radius cutting synchronized to laser pulsing.
NanoVia LP, Londonderry, NH (603)-421-0713.
Circle No. 249
Broadband Noise Generators
The ANG series of broadband noise generators offers individual instruments with multi-octave coverage in the overall frequency range from 10 Hz to 18 GHz with possible extension to 40 GHz and beyond. Each instrument features step level control, including options of up to 111 dB in 0.1 dB steps for adjustment of the noise output achieved through conveniently located front panel mounted attenuators. A large number of standard options exist to cater for varying applications and these include a choice of attenuation range, output connector, output impedance and AC supply. The signal combiner option allows a known signal to be added to the random noise, which can then be adjusted using the front panel controls until both are merged in transmitter/receiver sensitivity testing. Each model can be supplied as either a bench instrument or in a 19" rack mounting chassis for operation from 80 to 240 V, 50/60 Hz.
Atlantic Microwave Ltd., Essex, UK +44 (0) 1376 550220.
Circle No. 250
Wireless LAN/Bluetooth Test Station
The model CS20310C wireless LAN/Bluetooth test station features 100 MHz of real-time bandwidth and 4 GB of memory. The unit can capture, analyze and play back up to eight seconds of signals anywhere within the 2.4 GHz ISM band to reproduce actual operating environments in the lab. The system's high performance, 300 MS/s ADC captures all signals in real-time to preserve complete time, frequency, modulation and transient information while delivering 55 dB SFDR. Simultaneous signal creation and full-band signal capture/analysis capability is available with the addition of the optional independent signal generator. The CS20310C utilizes the Windows NT OT, high speed Pentium processor, GPIB and 10/100baseT Ethernet to deliver an open workstation environment. The test station can be custom configured to match the needs of wireless design, production and certification applications.
Celerity Systems Inc., a division of L-3 Communications, Cupertino, CA (408) 873-1001.
Circle No. 251