- Buyers Guide
Frederick, MD (301) 662-4700,
www.americanmicrowavecorp.com. Circle No. 216
Camarillo, CA (805) 388-1345,
www.amlj.com. Circle No. 217
Ventura, CA (805) 650-0260,
www.dowkey.com. Circle No. 220
Precision Type N Attenuator
The model 352-019-XXX is a precision 2 W fixed attenuator that has a frequency range of DC to 18 GHz with attenuation values of 1 to 30 dB available. These units feature a VSWR of 1.35 maximum in a 1.76" long passivated stainless steel enclosure with type N male/female connectors. This series of attenuators is a cost- effective solution for lab, production and field applications.
BroadWave Technologies Inc.,
Franklin, IN (317) 346-6101,
www.broadwavetech.com. Circle No. 218
The model 1550A is a power divider specifically designed for use in the wireless communications bands. It operates over the DC to 3 GHz (usable to 5 GHz) band and offers good amplitude of ±0.5 dB and phase of ±10° tracking between ports. This low cost four-way power divider offers 1.25 SWR, 1 W input power, rugged construction and an operating temperature of 55° to +100°C.
Frederick, MD (301) 846-9222,
www.weinschel.com. Circle No. 235
The model HMC439QS16G and model HMC440QS16G are HBT digital phase-frequency detectors (PFD) intended for use in low noise, phase lock loop applications for inputs from 10 to 1300 MHz. Synthesizer designs can choose either the HMC439QS16G single function PFD or the HMC440QS16G PFD with an integrated DC to 2800 MHz five-bit counter. The counter offers continuous division from 2 to 32. Both products are housed in plastic SMT 16-lead QSOP packages that have an exposed base for good RF and thermal performance. Combining a high operating frequency of 10 to 1300 MHz, along with an ultra low SSB phase noise floor of -153 dBc/Hz at 10 kHz offset, both models make synthesizers with wide loop bandwidth and low N possible. The result is fast switching and low synthesizer phase noise.
Hittite Microwave Corp.,
Chelmsford, MA (978) 250-3343,
www.hittite.com. Circle No. 221
These new thick film chip resistors offer ohmic values ranging from 0.1 to 1000 G . These chip resistors are ideally suited for numerous instrumentation and calibration applications, as well as high voltage regulation, power switching, RF and microwave circuits and power supplies, on board types ranging from hybrids to printed circuit board mounting. Terminations include gold, platinum silver and platinum silver with 62/36/2 solder coating. Size: 0.030" x 0.020" x 0.250". Price: $0.57 to $1.40 (1000).
International Manufacturing Services Inc.,
Portsmouth, RI (401) 683-9700,
www.ims-resistors.com. Circle No. 222
The 5IM10-30/XQ400-N/N is a filter that offers < 1.0 dB insertion loss across passbands 30 to 88 MHz, 116 to 136 MHz and 225 to 400 MHz, while maintaining rejection of 40 dB at 116, 88, 156 and 136 to 174 MHz. The unit also features power capabilities of 40 W and 1.5 VSWR across operating passbands. Size: 8.0" x 3.0" x 1.5".
K&L Microwave Inc.,
Salisbury, MD (410) 749-2424,
www.klmicrowave.com. Circle No. 223
Two-channel Switch Filter Bank
The 2SFB-3000/85-500-SR is a two-channel switch filter bank centered at 3 GHz. This unit features a narrowband 85 MHz channel and a broadband 500 MHz channel. The bank provides 5.0 dB maximum insertion loss at fC and 70 dB stopband attenuation points. The power requirements feature a single +5 V supply with < 50 mA current consumption and two-bit control logic. The mechanical housing includes SMA-female field replaceable connectors and has been machined out of aluminum to maintain a light weight package. This assembly has been designed to meet stringent environmental conditions typically found in military applications.
Salisbury, MD (800) 780-2169,
www.lorch.com. Circle No. 224
The model AX05-0008 is a coaxial diplexer that features low insertion loss, high isolation, good temperature stability and offers compact size. It operates at a frequency range of 5730 to 5840 MHz; T/R spacing is 81 MHz. This diplexer CHAN 1 filter bandwidth is 5730 to 5764 MHz and CHAN 2 is 5811 to 5845 MHz. The return loss (all ports) is 16 dB and the insertion loss (all ports) is 1.8 dB. The diplexer operates in the temperature range of -30° to +70°C.
Quebec, Canada, (450) 424-4896,
www.mwtgtelecom.com. Circle No. 227
These multipins™ address the many space and time saving issues facing high frequency designers today. These multipin headers come in a variety of styles from 2 pin to 16 or more pins. They are built for both RF and DC applications up to 40 GHz and are even available with combined RF and DC functionality in the same header. While the space and time saving issues of combining feedthrus into a single header is evident, the real value lies in the fact that filtering is also built in, thereby eliminating the typical step of having to hardwire capacitors internally to reduce interference.
Hampstead, NH (603) 329-4050,
www.thunderlinez.com. Circle No. 233
This five-channel YIG-replacement filter provides five selectable RF filter channels over a wide frequency range with ultimate rejections out to 26 GHz. Modular construction allows customization of band splits to provide continuous overlapping band performance. The individual channels can be configured over a wide range of frequencies from 6 to 20 GHz. The channels are Chebychev and interdigital bandpass cavity filters. This low profile filter bank provides good low ripple passband performance while suppressing ultimate rejections by > 70 dB out to 26 GHz. Size: TBD (depending upon customer specifications) x 2.32" x 0.35".
Salisbury Engineering Inc.,
Delmar, DE (302) 846-2750,
www.salisbury-engineering.com. Circle No. 229
These surface-mount and standard high power chip terminations are tuned for telecom frequencies. These terminations offer an improved return loss and are tuned for cellular, GSM, PCS and UMTS frequency bands. The SMT terminations use an industry-standard footprint while encompassing a patented asymmetrical wrap. This wrap utilizes additional ground plane area for heat transfer to a heat sink or solder vias. The SMT and CT termination lines use thick film construction and are available on BeO, aluminum nitride or alumina substrates. The devices operate up to 2.7 GHz in a temperature range of -55° to 150°C with a typical VSWR of 1.15. Sizes: 0.04" x 0.02" to 0.375" x 0.375".
Smiths Interconnect-EMC Technology,
Stuart, FL (772) 286-9300,
www.emct.com. Circle No. 230
The 3D micro-14/5 filter offers a high Q-factor in board level packaging. These filters are processed on four silicon wafers, bonded together and diced into individual filters. The high-Q filter integrates on to microstrip or CPW RF circuit boards. Filters offer Ku-band satellite communications for high performance on-board band pass filtering for ground based systems in commercial and military applications. The 3D micro filter line is complimented by the 3DHQ filter line providing Q-factors above 2000 for applications in millimeter-wave frequencies above 35 GHz. Size: 1.18" x 0.45" x 0.125". Weight: < 1 gr.
Sophia Wireless Inc.,
Chantilly, VA (703) 961-9573,
www.sophiawireless.com. Circle No. 231
This connector clamp fits onto the back end of standard RF coaxial connectors to reinforce cable assemblies subjected to excessive twisting and flexing. The SR-series clamp attachment features a rolling clamp nut design that provides greater axial and rotational support than typical shrink tubing strain reliefs. Simple to screw onto the back of RF coaxial connectors, this clamp attachment prevents distortion of the cable, which can be caused by over-tightening and offers added protection from repeated flexing. Price: $24.95.
Peabody, MA (800) 262-9878,
www.trucorporation.com. Circle No. 234
This line of custom high power networks utilizes thin film on environmentally friendly aluminum nitride. The new custom circuits provide the flexibility needed to meet today's high density, high power, low TCR, close thermal tracking and high stability requirements for microwave and other microelectronic applications. Aluinum nitride was developed as a non-toxic alternative to beryllia. These custom thin film circuits can be produced as conductor networks, or as resistor networks. A variety of thin film conductors and resistor systems can be produced, along with through holes and double-sided circuits. Price: < $1.99. Delivery: 12 weeks ARO.
State of the Art Inc.,
State College, PA (800) 458-3401,
www.resistor.com. Circle No. 258
This line of base station combiners is for the next generation of mobile communications systems. Field tested for true high performance, these combiners have shown good operating temperature and stability for maximum reliability and energy efficiency. Features include high isolation, low operating temperatures, two separately fused fan banks for redundancy, long life span and availability in various channel combining configurations. Size: standard 19" 2U rack size.
Renaissance Electronics Corp.,
Harvard, MA (978) 772-7774,
www.rec-usa.com. Circle No. 228
The model PEC3-15-0R00218-15-10-SFF is an amplifier that offers 15 dB typical gain from 2 MHz to 18 GHz. The gain flatness is better than ± 2.0 dB, noise figure is < 9 dB below 0.5 GHz and < 7.5 dB from 0.5 to 18 GHz. The OP1dB is 16 dBm typical. The VSWR in/out is 2.0 maximum and the current is 280 mA at +15 VDC maximum. This amplifier is packaged in the company's standard PEC3 housing. Other housings are available.
Planar Electronics Technology Inc.,
Frederick, MD (301) 662-5019,
www.planarelectronicstechnology.com. Circle No. 239
Solid-state Power Amplifier
The model 5156 is a 500 W solid-state power amplifier with a frequency band of 0.8 to 2.5 GHz. Designed for TWTA replacement in military and automotive EMC RF immunity testing, model 5156 exhibits good linearity, gain flatness and noise figure. This solid-state amplifier provides linear P1dB power of 400 W, small signal gain of +58 dBm, gain flatness of ±2 dB and a low noise figure of +15 dB.
Los Angeles, CA (310) 306-5556,
www.ophirrf.com. Circle No. 238
Integrated Variable Gain Amplifiers
The VG101 and VG111 are integrated VGAs that maintain constant intercept and compression point performance over the entire gain control range. Today's discrete solutions are typically much more complex and require relatively large amounts of board area. Special features include a wide dynamic range of over 35 dB and a 4.3 dB noise figure at maximum gain. These products operate from a single positive bias supply. Both models are matched to 50 over the full attenuation range to ensure proper operation when cascaded with other RF elements such as filters. Size: 6 x 6 mm. Price: $5.15 (10,000).
WJ Communications Inc.,
San Jose, CA (800) WJ1-4401,
www.wj.com. Circle No. 242
This patch antenna is designed for a sensor enabled notification system (SENS) that delivers low cost clear receptionfor data transfer through a satellite network. This SENS antenna facilitates receiving clear, accurate information from virtually any location on Earth. The antenna's directivity has been tailored for optimal acquisition of the Globalstar™ satellite constellation virtually anywhere in the world. The antenna assembly has been designed in conjunction with Aero Astro, the creators of SENS via their innovative modem using proprietary spreadspectrum technology. Special features of the SENS antennas are their small, lightweight size and the ability to work upon installation, and a plug and play device. SENS antennas have a center frequency of 1615 MHz ±5 MHz, left hand circular polarization, VSWR of 2.1 max (25 MHz bandwidth), gain at zenith of 3 dBic min, A/R at zenith of 3 dB max, half-power beamwidth of 100° and directivity variation < 5 dB. Price: $5.00 to $15.00. Delivery: less than four weeks.
Spectrum FSY Microwave,
Columbia, MD (410) 381-5700,
www.spectrumcontrol.com. Circle No. 243
This release of Ansoft Designer™ v1.1 software is for the design of high frequency electronic components, circuits and systems. The new version features a Solver on Demand™ link between Ansoft Designer and Ansoft's HFSS™, a 3D electromagnetic design tool. Designers and engineers can dynamically incorporate the effects of arbitrary 3D structures within high frequency electronic simulations. Solver on Demand allows users to control the flow of information between the two products with parametric control of physical dimensions, material properties, excitations and frequency ranges. Results are automatically embedded into Ansoft Designer, greatly reducing the engineering time and product-development costs associated with high performance components commonly found in telecommunications, aerospace and defense applications. Designers can now fully utilize an advanced schematic-based design flow while incorporating the effects of high frequency and high speed components.
Pittsburgh, PA (412) 261-3200,
www.ansoft.com. Circle No. 259
The S-parameter-based mixed domain SPICE simulator version (MDSPICE) 3.2 allows robust and accurate time transient analysis based upon S-parameters. The time domain simulation results based upon S-parameters normally can meet the causality condition. The MDSPICE 3.2 also features a frequency dependent RLC extraction from wide band S-parameters. The extracted RLC circuit is compatible with standard SPICE simulators. It normally can guarantee the S-parameters of the extracted RLC circuit match the original S-parameters over the complete frequency range.
Zeland Software Inc.,
Fremont, CA (510) 623-7162,
www.zeland.com. Circle No. 246
VME Broadband Synthesizer
The three-slot VME, ultra high performance, broadband synthesizer covers a frequency range from 0.05 to 18 GHz. The indirect broadband synthesizers (IBS) are based on PLL design technology with an internal DDS for fine resolution. The IBS series is ideally suited for ATE as well as radar, threat simulation and EW system applications where broadband coverage, low phase noise, fast switching speeds and reliability are of primary importance. The VCO/PLL approach realizes much faster switching speeds, good microphonic performance and lower power consumption.
Elcom Technologies Inc.,
Rockleigh, NJ (201) 767-8030,
www.elcom-tech.com. Circle No. 248
The DS synthesizers are quiet, fast, broadband and precise. With one microsecond or less typical switching time, the DS delivers ample speed to meet the required response times of most automatic test systems and frequency-agile equipment. The available frequency range of 10 MHz to 20.48 GHz covers a wide variety of applications. When very fine steps are necessary, the 1 Hz step size capability allows the frequency to be controlled to a precision of ±10-10. The selection of step sizes includes 1 Hz, 10 Hz, 125 kHz, 1 and 10 MHz and applies to the 5.12 to 10.24 GHz band. Size: 1.75" x 16.75" x 20" or 3.50" x 16" x 20" standard 19" rack, 5.25" x 16.75" x 20" depending on options.
Communication Techniques Inc.,
Whippany, NJ (973) 884-2580,
www.cti-inc.com. Circle No. 247
These phase-locked frequency-selectable synthesizers feature three bits of internal TTL binary logic, enabling users to select up to eight frequencies within the synthesizers' frequency range from 10 MHz to 4 GHz (in bands). These synthesizers utilize internal or customer-supplied external frequency references (2 to 125 MHz) for high stability, and exhibit low phase noise characteristics. FreSel series synthesizers are supplied with internal regulators, internal buffer amplifiers, and typically operate over the temperature range of -30° to +70°C. The products are packaged in aluminum housings measuring 1.5" square (excluding connectors and mounting bracket).
EM Research Inc.,
Verdi, NV (775) 345-2411,
www.emresearch.com. Circle No. 249
The model ZT600 is a high stability, surface-mount TCXO. The ZT600 series TCXOs offers tight stability down to ±0.1 ppm overtemperature, and use only a fraction of the power required by an ovenized oscillator. There is no warm-up time for the TCXO. The ZT600 series features a low profile, 1.0 inch square package and is available from 10 to 120 MHz with square wave output. The ZT601 offers sine wave output and is available to 300 MHz. The ZT600 series can be ordered in custom configurations and is ideal for mobile instrumentation and communications applications, including military.
Greenray Industries Inc.,
Mechanicsburg, PA (717) 766-0223,
www.greenrayindustries.com. Circle No. 250
The MLLP-series permanent magnet YIG-tuned oscillators cover the frequency range of 2 to 12 GHz and operate from a single +8 V supply. They are available at customer selected fixed frequencies and are fitted with an FM coil for phase locking. They operate over a -20° to +70°C temperature range without the use of heaters. Applications include telecom, satcom, radar and frequency synthesizers. Size: 1" x 1" x 0.5".
Micro Lambda Wireless Inc.,
Fremont, CA (510) 770-9221,
www.microlambdawireless.com. Circle No. 251
The model V585ME41 is a voltage-controlled oscillator that generates frequencies between 720 to 1750 MHz, covering the 1030 MHz bandwidth within 0.75 to 21 VDC of control. Even though the device covers a broad spectrum of bandwidth, the V585ME41 exhibits an unequalled phase noise performance of -100 dBc/Hz, typically, at 10 kHz from the carrier, making it the ideal component for cable headend equipment while boasting a nearly perfect linear tuning capability. The V585ME41 delivers 5 ± 3 dBm into a 50 W load while operating from a nominal 5 VDC supply and drawing 17 mA of current. Size: 0.5" ´ 0.5" ´ 0.13". Delivery: stock to four weeks.
San Diego, CA (858) 621-2700,
www.zcomm.com. Circle No. 252
HF Receiver System
The model 3100 is an HF receiver system that covers the range of 10 kHz to 30 MHz. Designed for surveillance and monitoring of RF communications in this frequency range, the model 3100 features up to eight dual-channel analog RF receiver modules with user-configurable bandwidth. Direct antenna connections to the system are also user-configurable. The model 3100 system employs a unique design that does not use local oscillators as is common with superheterodyne designs. Delivery: 12-16 weeks ARO.
Melfa, VA (757) 787-7610,
www.interadlimited.com. Circle No. 253
Vector Spectrum Analyzer
The model PSA-80BW is a wide-bandwidth vector spectrum analyzer solution that eliminates the need for engineers to spend unnecessary time designing wide-bandwidth test systems, which allows them to focus instead on their specific next-generation base station or modern aerospace defense system component designs. This wide bandwidth and long capture period results in more thorough signal characterization and improved digital predistortion measurements. The PSA-80BW provides up to 20 GHz frequency coverage, 0.1 dB amplitude flatness, 0.7 degree phase flatness and offers optional 1.2 Gbyte deep capture memory to provide eight seconds of full bandwidth capture at the maximum sample rate. Price: $108,752.
Agilent Technologies Inc.,
Palo Alto, CA (800) 452-4844,
www.agilent.com. Circle No. 256