- Buyers Guide
Military Microwaves Supplement
Recent Advances in Radar Technology
Using Calibration to Optimize Performance in Crucial Measurements
Broadband mmWave Mixer
The model AM028S1-A2 broadband mmwave mixer utilizes the company's patent-pending Alpha-2™ package technology to produce performance and price advantages. It features a 26 to 33 GHz frequency range, low conversion loss, wide IF bandwidth and surface-mount packaging, making the mixer ideal for high volume broadband mmwave applications such as LMDS, digital radio, VSAT and sensors. The rugged surface-mount design eliminates the need for expensive microelectronic assembly, eases handling and makes the mixer more reliable. It offers excellent repeatable electrical performance with solder attachment, eliminating the need for tuning. The single-package design also reduces parts count. Price: $23 (1000). Delivery: 10 weeks (ARO).
Alpha Industries Inc., Haverhill, MA (978) 241-7700.
Circle No. 216
Thin Film Microwave/RF Capacitors
The Accu-P® series of thin film capacitors is now available in a 0201 size. The series fea- tures high SRF and low ESR at high frequencies, extremely tight tolerances (±0.02 pF), along with the consistency of all these specifications within a manufacturing lot and from a lot-to-lot basis. The Accu-P series capacitors have found wide applications in cellular, PCS and PCN telephones and systems, satellite communications networks, GPS receivers, test and measurement applications, filters, VCOs and RF amplifiers. The 0201 series feature capacitance values from 6.8 pF down to 0.8 pF with tolerances to ±0.02 pF. Rated voltage ranges from 10 to 25 V DC, with a temperature coefficient of 0 ±30 ppm/°C over the temperature range from -55° to 125°. Price: 9¢/each. Delivery: stock to five weeks.
AVX Corp., Myrtle Beach, SC (803) 946-0414.
Circle No. 217
High Power Hybrid Ring Divider/Combiner
The model 700-3 high power, hybrid ring divider/combiner is designed to cover wireless bands from 1.7 to 2.0 GHz with average RF power handling capability of 1000 W (5 kW peak) when an external termination is used at the isolation port. It is ideally suited for high power dividing or combining applications, provides 25 dB isolation, SWR of 1.2 and insertion loss of less than 0.1 dB. The unit is equipped with brass N-female connectors, gold-plated copper contact pins, virgin electrical grade Teflon insulation within the connectors and a rugged aluminum housing for superior shielding. Operating temperature is from -65° to +150°C. Size: 4.29" x 1.56".
MECA Electronics Inc., Denville, NJ (973) 625-0661.
Circle No. 222
The 2SB series 75 W SPDT coaxial switch operates from DC to 3 GHz. Standard options include failsafe or latching operation, indicating circuitry, arc suppression diodes, TTL interface and mini-SMB snap-on connectors. Custom RF connectors are available upon request. Typical performance at 1 GHz includes insertion loss of 0.6 dB, SWR of 1.06, isolation of 100 dB (min.) and an operating tenmperature of -25° to +85°C.
DB Products Inc., Pasadena, CA (616) 449-3790.
Circle No. 249
High Pass Filters
This series of high pass filters includes a broadband image cleanup filter. This configuration has a low loss of 2.0 dba and less than 1.0 dB of flatness from 5000 to 11500 MHz. Rejection for this filter is greater than 50 dB from DC to 4200 MHz. Inputs and outputs are SMA female. Size: 1.25" x 0.50" x 0.50". Other sizes and configurations are available.
Bree Engineering, San Marcos, CA (760) 510-4950.
Circle No. 218
180° Hybrid Couplers to 20 GHz
The model 4010180 hybrid coupler is a four-port component with dual input and output ports. Signals supplied to the sum ports provide exceptionally matched in phase amplitude and phase on the output ports. Signals supplied to the difference ports provide signals which are 180° out of phase. It operates over the entire frequency of 1 to 18 GHz. Coupling is 3 dB, amplitude balance is ±0.6 dB (max) and phase imbalance is ±12° (max). Isolation is 15 dB (min) and SWR is 1.7 (max), insertion loss is 2.9 dB (max), standard connectors are SMA female and maximum power ratings are 20 W average and 3 kW peak. Typical applications include splitting and combining signals in amplifiers, switching circuits and antenna beam forming networks. Delivery: stock to three weeks.
Krytar, Sunnyvale, CA (408) 734-5999.
Circle No. 220
The model CMA-0044 common-mode mixer converts fundamental and harmonic inputs from 1 MHz to 40 GHz to a 20 to 44 GHz output. Zero dBm inputs are converted to a typical output level of +2 dBm with a typical fundamental isolation of over 20 dB. Designed for fiber-optic clock-recovery/acquisition applications, the CMA-0044 is a unique common-mode (shared RF inputs) mixer-doubler design available in a housing with 2.92 mm connectors. The supply requirements are +5 V at 300 mA and -5 V at 10 mA.
Marki Microwave Inc., Morgan Hill, CA (408) 778-4200.
Circle No. 221
The model TCM4-25 surface-mount RF transformer operates in the 500 to 2500 MHz band with 4:1 impedance ratio. Referenced to midband loss (0.2 dB (typ)), insertion loss is 1 dB from 750 to 1200 MHz, 2 dB in the 700 to 1500 MHz range and 3 dB band wide when operated within -20° to +85°C (max). The open case design has a plastic base with solder plated leads, and applications include cellular and PCS. RF power is 250 mW (max). Price: $5.95 (1 to 9).
Mini-Circuits, Brooklyn, NY (718) 934-4500.
Circle No. 223
Coaxial Remote Terminations
The CRT line of coaxial remote terminations offers a wide selection of power ratings from 10 to 250 W in BeO and AlN with standing wave ratios as good as 1.06 and frequencies to 6 GHz. Package sizes range from 0.4" long by 0.5" wide to 1.62" long by 0.8" wide; the standard housing is 0.866 square inches. The products can accommodate horizontal and vertical launching of coaxial cable. Standard on the CRT is a hand conformable cable, which is compatible with RG402/RG405 connectors. Cable lengths range from 3" to 24".
Florida RF Labs Inc., Stuart, FL (856) 429-7800.
Circle No. 219
These jitter filters are designed for use with jitter analysis systems. The filters are used to suppress the harmonic content of the reference clock and recovered clock signals. They also suppress any subharmonics or other spurious signals that may be present. The filters operate with 0.5 W power rating, 50 W impedance and 1.3 SWR. They have SMA female connectors and operate from 10° to 45°C.
RLC Electronics Inc., Mt. Kisco, NY (914) 241-1334.
Circle No. 224
The model RSA-3407-1 adapter is part of the company's expanding sub-miniature line of SMA, SMB, MB, MCX, 3.5 mm, 1.0/2.3 and MMCX plug and receptacle connectors and adapters. SMA connectors are used in high frequency and microwave applications where small size and performance are required of components. One end of the right-angled adapter is an SMA female and the other is a special male interface for testing and external antenna use on cellular phones. With a body made of machined brass, this adapter features Teflon insulation, gold-plated contacts, gold-plated body and a black Delrin housing.
RF Connectors Distributors, San Diego, CA (800) 233-1728 or (858) 549-6340.
Circle No. 225
GaAs pHEMT Component
The model SPF-3043 DC to 10 GHz low noise GaAs pHEMT component is ideally suited to a very wide range of low noise amplifier applications in wireless infrastructure equipment. It provides ultra low noise performance (0.25 dB at 1 GHz and 0.5 dB at 2 GHz) with associated high gain (25 dB at 1 GHz and 22 dB at 2 GHz). The device is ideally biased at 3 V, 20 mA for lowest noise performance. At 5 V, 40 mA it delivers excellent OIP3 of 32 dBm. The SPF-3043 is housed in an industry-standard SOT-343 surface-mount plastic package. Price: 99¢/each (10,000).
Stanford Microdevices, Sunnyvale, CA (408) 616-5464.
Circle No. 226
Spanner Head EMI Filter
The model 4201-047 spanner head EMI filter has strong advantages that allow for the most sophisticated multi-position assemblies. This state-of-the-art suppression filter can be inserted quickly into the chassis and connected by machine lead wire wrap without the use of solder. Its slender design also makes some of the most compact mounting assemblies possible, offering a lead spacing of 0.2". These filters have a cylindrical body of 0.196" diameter and are available with capacitance values from 100 to 5500 pF with insertion loss up to 70 dB (min) at 10 GHz. They are ideal for design projects where cost and space savings are essential. Common applications for this filter involve power amplifiers, microwave equipment, frequency generators and virtually any application where signal lines require a space efficient filter design.
Tusonix, Tucson, AZ (520) 744-0400.
Circle No. 227
Flex-life Cable and Cable Assemblies
These high flex-life cables are ideal for applications where reliability is critical and downtime is not an option. The cables can be designed to survive over 100 million cycles, and if an application requires a small bend radius, these cables have proven successful at bend radii less than 50 mm. The high flex-life cables and cable assemblies are the solution for a wide range of high flex applications including those found in demanding environments such as the automation industry. The cables also include consistent shielding effectiveness (EMI resistance) throughout the range of flex, high packaging density, extremely tough outer jackets to withstand harsh environments and precise signal control.
W.L. Gore & Associates Inc., Newark, DE (800) 445-4673 or (302) 292-5100.
Circle No. 228
This line of 10 W linear power amplifiers is tailored for the communications-band spectrum. Featuring typical IP3 performance of +50 dBm, these amplifiers operate off a single +12 V DC supply, and include integrated power monitors, linearized attenuators and output isolators. Power consumption is typically as little as 3 A. Size: 4.57" x 2.28" x 0.91".
Aldetec Inc., Sacramento, CA (916) 453-3382.
Circle No. 229
GaAs MMIC Four Stage Buffer Amplifier
The model XB1002 GaAs MMIC four stage buffer amplifier uses 0.15 micron gate length GaAs pHEMT device model technology. This gain block amplifier covers the 36 to 43 GHz frequency bands, and has a typical small signal gain of 25 dB, in which the gain increases with frequency to compensate for other component roll-off factors common in 38 to 40 GHz systems. This device also has a typical noise figure of 4 dB across the band. The amplifier can be operated with all four stages biased in parallel, and can be adjusted for low noise or high power performance. It is well suited for wireless communications applications such as millimeter-wave point-to-point radio, LMDS, SATCOM and VSAT applications.
Mimix Broadband, Webster, TX (281) 526-0536.
Circle No. 230
These linear output broadband amplifiers are offered in 2 to 8 GHz (model NB00377), 6 to 18 GHz (NB00376), 18.0 to 26.5 GHz (NB0037) and 26 to 40 GHz (NB00378) and are designed to fit within a small housing with SMA connectors. The amplifiers are made with rugged thin film construction. Typical gains of these models are 20 dB and output powers are about 20 dBm. Size: 0.52" x 0.94", except for the NB00377 which is 1.0" x 1.0".
Nextec Microwave & RF Inc., Santa Clara, CA (408) 727-1189.
Circle No. 231
Three Foot Symmetric Parabolic Antenna System
The model 0068-800 wide band, high power parabolic antenna feed system consists of a 36" diameter prime focus parabolic and feed system operational from 8.0 to 18.0 GHz. The horn aperture is environmentally sealed with a Lexan window and silicone sealant. The antenna system has an SWR of 2.0 and 500 W CW RF power.
Seavey Engineering Associates Inc., Pembroke, MA (781) 829-4740.
Circle No. 232
Thick Film Materials
This complete system of thick film materials is specifically designed for aluminum nitride (AlN) substrates. These materials provide a cost-effective solution to making hybrid circuits able to withstand high thermal loads versus conventional alumina substrates. Thick film materials also provide a more cost-effective alternative to thin film metallization systems. Aluminum nitride substrates are more environmentally friendly and safer to produce than circuits based on beryllium oxide substrates. Thick film materials for AlN substrates enable the design and production of circuits with higher heat stress resistance. In the fast growing telecommunications market, use of thick film on AlN substrates enables low cost, high volume manufacture of small, multifunction RF equipment, basestations and optoelectronic modules.
DuPont Microcircuit Materials, Wilmington, DE (800) 284-3382.
Circle No. 233
Temperature-stable Microwave Material
TMM® temperature-stable microwave material is available in custom-molded three-dimen- sional shapes for high reliability electronic applications. The shapes are molded from proprietary, ceramic-like thermoset polymer composites which were previously available in laminate form only. The new TMM components open up a new range of design solutions for high or low frequency applications requiring controlled dielectric constant with low loss factor. These components can help designers eliminate costly machining and assembly steps, create smaller components and improve the performance of the end product. In-mold metallization of components is also available for certain designs, depending on part geometry.
Rogers Corp., Rogers, CT (860) 774-9605.
Circle No. 234
Communications Design Software
Advanced Design System 2001 (ADS 2001) is the latest release of the company's Advanced Design System communications design software. ADS 2001 builds on the proven strengths of previous releases and includes major product enhancements. It improves design productivity and design flow integration, especially in RFIC and RF/MMIC/microwave design. ADS 2001 is easier to use than previous releases and offers superior simulation technology and performance, accurate and comprehensive models and wireless design libraries, integration with the Cadence RFIC Design Flow and links with company instrumentation create a complete design and verification solution.
Agilent EEsof EDA, Westlake Village, CA (800) 452-4844.
Circle No. 235
Phase Locked Oscillators
The PDRO series of 0.5 to 26.0 GHz phase locked oscillators employ a unique technique to phase-lock microwave DROs to a 5 or 10 MHz crystal reference. The models in the series require only a single loop for phase locking. By utilizing one single loop, size, power consumption and cost are minimized overall. Models in the series can operate at output frequencies that are a fractional multiplication of the input reference - all from the same 10 MHz crystal reference. The PRDRO units are ideal for use in digital radios, SATCOM and instrumentation, and feature ultra low phase noise, low power consumption and an operating temperature range of -25° to +75°C. Size: 3.50" x 2.50" x 0.67".
Elcom Technologies Inc., Rockleigh, NJ (201) 767-8030.
Circle No. 236
The model V585ME25 voltage controlled oscillator generates frequencies between 1250 and 2050 MHz, covering the 800 MHz bandwidth within 1 to 20 V of control. Even though the device covers a broad spectrum of bandwidth, the VCO exhibits an unequalled phase noise performance of -95 dBc/Hz (typ) at 10 kHz from the carrier, making it the ideal component for any CATV headend equipment while boasting a nearly perfect linear tuning capability. The VCO delivers 7 ±2.5 dBm into a 50 W load with a nominal 5 V supply and drawing less than 18 mA. In addition to superior phase noise response, this device also exhibits excellent second harmonic suppression of -15 dBc (typ). Load pulling is furthermore minimized to less than 15 MHz with a return loss of 14 dB in any phase while it pushes less than 3 MHz/V with a five percent change in the nominal supply. The V585ME25 operates at a temperature range of -10° to 75°C. Size: 0.50" x 0.50" x 0.13".
Z-Communications Inc., San Diego, CA (858) 621-2700.
Circle No. 239
These two 10 Gbps laser drivers offer 3 V peak to peak output voltage for use with modulator integrated lasers and differential input modulators. The peak output current, output duty ratio and output offset are adjustable for both devices and both have internal 50 W terminations at the high speed differential input and output connections. The model FMM3109PG is in a 24-pin hermetic package, while the model FMM3109ZH is in a lower cost 6 x 6 mm 32-pin, plastic mold package with heat spreader.
Fujitsu Compound Semiconductor Inc., San Jose, CA (408) 232-9500.
Circle No. 237
SMD Voltage Controlled Crystal Oscillator
The model ST1317 is a high frequency, 3.3 V voltage controlled crystal oscillator. It is offered with its mate, the ST1307, which in combination serves numerous applications between 32 to 125 MHz and 1 to 31.999 MHz, respectively. The oscillators features a frequency stability of 50 ppm over all operating conditions to meet the strict tolerances of phase-locked loop clock and data recovery circuits, frequency translation and frequency synthesis needs in video compression, telephony and LAN/WAN communication environments. Size: 5.2 x 7.2 x 1.8 mm.
SaRonix, Menlo Park, CA (650) 470-7700.
Circle No. 238
The model SA-48-AM integrated sub-assembly offers simultaneous phase and amplitude control. This device operates from 2.0 to 6.0 GHz and has a 360°/20 dB I & Q vector modulator, 64 dB attenuator, SP2T switch filter bank, video filtering and 3 GaAs amplifier stages with gain equalization. Across the entire band the total phase error is less than ±10° and amplitude error is less than ±1.5 dB. The SWR is better than 2.0 with an output power of +10 dBm. This device demonstrates a linear control input slope with output voltage. The switching speed is less than 500 ns.
G.T. Microwave Inc., Randolph, NJ (973) 361-5700.
Circle No. 242
Voltage-mode PWM Controller
The model LX1684 voltage-mode pulse-width modulator (PWM) controller is designed to minimize external components for regulating power. The switching regulator has a high efficiency synchronous driver and is optimized to provide 12.0 to 3.3 V or 12 to 2.5 V regulation. It also can convert 5 or 3.3 V to voltages as low as 1.25 V. Typical applications include low cost buck (step-down) regulators, hard disk drives and computer add-on cards. Switching frequency is fixed at 175 kHz, a design choice that saves space and allows short-circuit current limiting without the use of expensive current sense resistors. The LX1684's constant frequency voltage-mode control requires no external compensation. Price: 89¢ (10,000).
Microsemi Corp., Irvine, CA (949) 221-7100.
Circle No. 243
High Power Coaxial Switch Matrix
The model 666305 coaxial switch matrix is capable of handling 50 W CW from 0.1 to 18.0 GHz. It offers front panel LED configuration display and control options such as direct keyboard/video display connect or remote IEEE-488, RS-232 or TCP/IP connect. Size: 6" x 4".
Electronics Development Corp., Columbia, MD (410) 312-6650.
Circle No. 240
Miniature Frequency Synthesizer
The model SLSM3 miniature frequency synthesizer offers very high fundamental frequency operation with up to 7 GHz fundamental operation and to 14 GHz with a x2 multiplier. The unit also offers very high tuning bandwidths and octave tuning ranges are available in standard units. At a typical resolution of 1 MHz, these synthesizers offer very good spectral quality. Operating on either an external or internal reference frequency these synthesizers operate on a single low voltage power supply and are serially controlled via a three-line bus. Size: 2.5" x 2.5" x 0.6".
Luff Research Inc., Floral Park, NY (516) 358-2880.
Circle No. 241
Laser Micromachining System
The Laser Router micromachining laser system was developed specifically for non-contact processing of silicon wafers and other semiconductor materials. It has automatic, motorized features that allow the operator to fabricate any shape device including arcs, circles or any complex pattern. The Laser Router can produce a narrow kerf width while maintaining a typical cutting speed of 0.2"/sec. It also has a built-in CAD/CAM post processor interface to allow the user to design a part in a conventional CAD drawing which can then be translated by the Router to produce a finished wafer design. The Router can also be configured with an optional wafer cassette for automatic loading and unloading.
Resonetics Inc., Nashua, NH (603) 886-6772.
Circle No. 244
Channel Emulator System
The DVB-RCS channel emulator system (CES) is used to simulate the RF channel path between a satellite interactive terminal or return channel satellite terminal and the satellite hub station. The CES consists of a satellite link emulator, multi-channel Ka/Ku RF up/down converters and an AWGN carrier-to-noise generator. The system allows full RF impairment testing of a SIT/RCST in the lab before deployment. Impairments that can be emulated include: varying path delay, varying frequency dependent Doppler, phase shift, path loss and flat fading, and receiver and background thermal white noise. The user may define specific satellite orbits, and the system software automatically generates all the necessary impairment parameters.
dBm LLC, Wayne, NJ (973) 709-0020.
Circle No. 246
Peak Power Meters/Analyzers
The model 4500A and model 4400 A peak power meters/analyzers offer the user the ability to measure and display peak power, average power and pulse parameters. The 4400A can operate in synchronous mode and is ideal for radar applications and bursted or TDMA signals like GSM. It is a high speed, high resolution meter providing fast, accurate analysis of today's complex pulsed signals. A seven-inch VGA-compatible color CRT cleanly displays logarithmic or linear data and the model 4400A has an intuitive, menu-driven design with comprehensive help screens. The 4500A measures peak and average power. It adds a statistical mode that includes cumulative distribution function CDF, 1-CDF and a probability density function PDF. It is ideal for evaluating spread-spectrum signals like CDMA, W-CDMA and numerous other communications signals, such as HDTV and QAM, which are non-repeating and cannot be triggered on.
Boonton Electronics, Parsippany, NJ (973) 386-9696.
Circle No. 245
3000 V MLCC Prototype Kit
This application specific engineering prototype kit provides designers with a selection of the most popular high voltage multiplayer ceramic capacitors (MLCC) used in today's modem and networking products. The kit features 1808 and 1812 size capacitors in values from 100 to 2200 pF with working ratings of 250 V AC and 3000 V DC. These components are certified to IEC 60950, are Y3 compliant to EN 132400 and IEC 60384-14, and UL recognized for use in IT equipment including electrical business equipment per UL 1950. The kit contains 50 pieces each of 12 values (600 pieces total). Price: $75.
Johanson Dielectrics Inc., Sylmar, CA (818) 364-9800.
Circle No. 247
This development kit is to be used in conjunction with the company's line of Stratum 3 and 3e synchronous timing modules. The kit uses a simple windows interface to allow design engineers access to the multiplicity of user-programmable features of the highly advanced TM1 series Stratum 3 and 3e Network Synchronization Timing Modules. Some of these features include six user programmable input reference frequencies and seven user selectable output reference frequencies from 2 kHz to 311.04 MHz. Completely hitless switchover from manual or automatic reference switching between five input references. Programmable pull in range allows any progression from 0 to 80 ppm in 0.08 ppm steps to be supported. Selectable output signal levels including TTL, ACMOS, LVDS and LVPECL.
MTI-Milliren Technologies Inc., Newburyport, MA (888) 684-1101.
Circle No. 248
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