- Buyers Guide
Military Microwaves Supplement
Recent Advances in Radar Technology
Using Calibration to Optimize Performance in Crucial Measurements
Amphenol Connex announced new and improved versions of its end launch SMA connectors. The company re-engineered its edge mount SMA connectors to ensure contact stability and to improve electrical performance from DC to 18 GHz. The connectors feature gold plated bodies, precision machined from brass. Dielectrics are PTFE. Male contacts are machined from brass. Female contacts are machined from beryllium copper. All contacts are plated with cost-saving gold over high-phosphorous nickel plating, ensuring a durability of 500 mating cycles minimum.
The AD9114/AD9115/AD9116/AD9117 are pin-compatible dual, 8-/10-/12-/14-bit, low power DACs that provide a sample rate of 125 MSPS. These TxDAC® converters are optimized for the transmit signal path of communication systems. All the devices share the same interface, package and pinout, providing an upward or downward component selection path based on performance, resolution and cost. The flexible power supply operating range of 1.8 to 3.3 V and low power dissipation of the AD9114/AD9115/AD9116/AD9117 make them well suited for portable and low power applications.
Analog Devices Inc.,
Surface Mount Couplers
Florida RF Labs expanded the HybriX® coupler product line with new 0805-styled hybrid couplers. Built with advanced low temperature co-fired ceramic (LTCC), the HVx3F series outperforms existing miniature couplers in operating temperature range and power handling. These latest additions to the largest selection of surface mount couplers in the world are optimized for operation in major commercial wireless spectrums from 700 to 3700 MHz. They feature low insertion loss, excellent amplitude and phase balance, and high isolation in a space-efficient 2 × 1.25 mm package.
Florida RF Labs,
Bandpass Filter Chip
The center frequency of the HMC897 bandpass filter chip is adjustable from 9 to 19 GHz by applying an analog tune voltage between 0 and 14 V with a tuning speed of 200 ns. The HMC897 also provides a 3 dB filter bandwidth of approximately 18 percent, while the 20 dB filter bandwidth is approximately 35 percent. Return loss is typically better than 10 dB across the operating frequency and wideband rejection is at least 30 dB out to 40 GHz.
Hittite Microwave Corp.,
Integrated Microwave Corp. offers a high-frequency true elliptic function highpass filter. This small-profile filter offers a nominal passband insertion loss of 0.7 dB at 5.2 to 13 GHz. This superior rejection provides 20 dB at 4.9 GHz, and -40 dB nominal DC to 4.8 GHz, with a 3 dB cutoff at 5.15 GHz. Performance is comparable to a suspended substrate, but at one-quarter the size and cost.
Integrated Microwave Corp.,
IMS announced the availability of its cost-effective 0404 size attenuators. The IMS2479 attenuators are available in 1 to 10 dB attenuation values in 1 dB increments with attenuation accuracy starting at ±0.3 dB. Operating frequency for the IMS2479 is DC to 3 GHz and it is rated at 40 mW. These attenuators are especially suited, but are not limited to, consumer electronics, commercial communication devices and low-power wireless monitoring and sensing applications such as smart meters.
International Manufacturing Services Inc.,
Controller and Power Manager
Linear Technology introduced the LTC4000-1, a high voltage controller and power manager with input maximum power point control (MPPC) that converts virtually any externally compensated DC/DC power supply into a full-featured battery charger. The LTC4000-1 is capable of driving typical DC/DC converter topologies, including buck, boost, buck-boost, SEPIC, flyback and forward. The device offers precision input current monitoring and charge current monitoring and regulation. It operates across a wide 3 to 60 V input and output voltage range.
Linear Technology Corp.,
Microlab launched a new product line of WiFi and WiMAX combiners: BK-28N. These “Tuned-by-Design” components combine or separate WLAN and WiMAX in the frequency range 2.4 to 3.8 GHz with frequencies between 5.15 and 5.85 GHz. With a signal loss of only 0.3 dB in the lower bands and 0.5 dB in the higher bands, BK-28N guarantees very efficient signal handling. Special low-loss strip lines achieve excellent loss values.
Image Rejection Mixer
MITEQ’s new model IR0618LC4E, broadband image rejection mixer design has an ultra-wide IF bandwidth. This image rejection mixer is useful for downconverting and receiving high data rate bandwidth signals as well as for wideband test equipment needs. Features include image rejection: 18 dB min.; RF/LO frequency: 6 to 18 GHz; IF frequency: 10 to 1000 MHz; conversion loss: 12 dB; LO-to-RF isolation: 18 dB; LO-to-IF isolation: 20 dB; LO port power: 10 to 15 dBm; RF VSWR: 2.0:1; LO VSWR: 2.5:1; and IF VSWR: 1.5:1. Applications: radar and test equipment.
Model number PS-9G11G-3609-A-SFF is an analog controlled phase shifter that operates over the 9 to 11 GHz frequency range. This model utilizes a phase shift control voltage ranging from -7.5 to +7.5 V for a corresponding phase shift of 0 to 360°. The insertion loss is 7 dB typical with a typical phase shift accuracy of ±10 degrees and a speed of 150 nsec. The required DC voltage is a single +15 V supply and only draws 30 mA. The size is 4.95" × 3.38" × 1.02". Other frequency ranges are available.
Planar Monolithics Industries Inc.,
Liquid/Water Cooled Load
High power liquid/water cooled load fits a WR159 waveguide and has a CPR159G flange. It operates at 4.90 to 7.05 GHz with an average power of 10 kilowatts max. and 1.8 megawatts peak power at 30 PSIG. Additional specifications include: 1.10:1 VSWR, 4 gallons per minute flow rate. Coolant inlet temperature 150ºF max., test pressure 50 PSIG, operating coolant pressure 150 PSIG, length 16" max., finish iridite and black.
Targeting the receive side requirements for a low loss waveguide isolator, Renaissance has developed a product with less than 0.2 dB insertion loss over 20.1 to 21.2 GHz from -40° to +85°C. Ensuring more than 26 dB isolation, the unit improves system performance considerably. With a size of 1.5" × 0.88" × 0.5", it can handle up to 50 W of forward and 5 W of reverse power. Visit www.rec-usa.com for datasheet and specifications.
Renaissance Electronics Corp.,
Designed for 868 MHz and 902 to 928 MHz AMR solutions, RFMD’s new RF6549 features separate ports for Rx and Tx paths, and two ports on the output for connecting a diversity solution or a test port. The PA section includes a nominal output power of 28 dBm. The device comes in a 6×6 mm, 32-pin package. It features a single 50 Ω bi-directional transceiver interface, thru path insertion loss of 1 dB, antenna diversity switch, and LNA with bypass mode.
RF Micro Devices,
RFMW announced design and sales support for two new single-pole, multi-throw switches. The SKY13414-485LFis a SP4T and the SKY13418-485LF is a SP8T. Both parts cover a broad frequency range of 100 and 3000 MHz and are pin compatible with each other. The SP8T offers 0.65 dB typical insertion loss with >20 dB of isolation while the SP4T provides 0.55 dB insertion loss and >25 dB isolation. Integrated decoder logic and high linearity make them ideal for switching applications commonly used in LTE-based data cards and tablets.
DC Link Capacitors
Richardson RFPD announced availability of new metalized polypropylene DC link capacitors from Kendeil™. The devices are rated from 600 to 1300 V. Key features of the general purpose K31 devices, designed for frequencies less than 15 kHz, include a high ripple current (max.) of 100A and a capacitance range of 120 to 1000 μF. Key features of the K32 devices, designed for frequencies exceeding 15 kHz, include a high ripple current (max.) of 100A and a capacitance range of 100 to 1000 μF.
Richardson RFPD Inc.,
Band Reject Filters
RLC Electronics now provides band stop filters that can be re-adjusted by the customer to new center frequencies. These filters are tunable over a ±7.5 percent center frequency range with minimal change in bandwidth. They have a power rating of 2 W, 50 Ω impedance, VSWR 1.5:1 fc to 2 ×fc and a temperature range of -55° to +85°C. They offer a Mil-E-5400, Class 1A Environment and female connectors.
RLC Electronics Inc.,
Temperature Variable Attenuators
State of the Art (SOTA) introduced a new line of temperature variable attenuators for both high reliability and commercial applications. They are available in a 1512 case size (0.150" × 0.125" × 0.020") with single surface solderable or wire bondable terminations. The attenuation of the TVA decreases with increasing temperature allowing it to passively compensate for the amplifier’s drop in gain with temperature. This kind of signal compensation can be used for various amplifiers, circulators, mixers, power dividers, and other temperature sensitive devices.
State of the Art (SOTA) Inc.,
Skyworks has a new 0.02 to 4 GHz, GaAs-based high isolation, single-pole four-throw switch with integrated 50 Ω terminations in a small 3 × 3 mm quad flat no-lead plastic surface mount technology package. The SKY13384-350LF is ideal for designs where low insertion loss (< 1 dB), high isolation (> 40 dB) and broadband return loss (15 dB) are required, such as in critical filtering and band switching applications. Markets for this wideband high isolation switch include wireless infrastructure, military communications and test and measurement.
Skyworks Solutions Inc.,
Type N Connectors
Times Microwave Systems announced its new non-solder two piece EZ 7/8 EIA flange, 716DIN and type N connectors for LMR-1200-DB and LMR-1200-FR flexible low loss 7/8" 50 Ω coaxial cables. These high quality connectors utilize a non-solder spring finger center conductor contact and clamp-style outer contact attachments. The total number of connector parts has been reduced from six pieces to two pieces making these the perfect connectors for field installations. Non-solder EZ style connectors are also available for most LMR® cable types and sizes.
Times Microwave Systems,
Frequency Hopping Filters
Trilithic introduced a new series of frequency hopping filters that enable users to address interference issues in environments crowded with RF signals. The VTF series of frequency hopping filters is designed to help mitigate the issues that commonly occur in shipboard, airborne and ground vehicle applications with an RF crowded environment. The VTF series filters offer drop-in second source capability for existing programs, while being versatile enough for new programs. They are rugged and durable, and work across multiple frequency ranges and bandwidths.
Low PIM Connectors
VidaRF is offering low PIM versions of the popular 7/16, Type N, and SMA connector that can deliver PIM performance as low as -170 dBc. Just like with all of the RF components that VidaRF offers, the company is happy to build to your specifications and provide delivery in as little as 2 to 3 weeks.
Solid State Amplifiers
AR recently introduced a new family of solid state amplifiers that cover 1 to 6 GHz and provide up to 50 W of power. This family highlights a class A design with low harmonic distortion and excellent noise figure. These models are small and lightweight but provide superior reliability for your most demanding applications.
AR RF/Microwave Instrumentation,
ZVA-183W+ is a class-A, four-stage, unconditionally stable amplifier. It features a ruggedized case, available with and without a heat sink/fan, and has the capability to withstand accidental open or short at output and is protected against reverse bias protection for added reliability under difficult conditions. This wideband, 0.1 to 18 GHz amplifier has a high IP3, 36 dBm typ. It features a high power output of +26 dBm and a high flat gain of 27±2 dB typ.
M/A-COM Tech introduced a highly efficient 40 W pulsed power transistor optimized for civilian and military pulsed radar applications between 2.7 and 3.5 GHz. The MAGX-002735-040L00 is a gold metalized, internally matched, GaN on SiC, RF power transistor that exhibits excellent performance when operated at +50 V, class AB operation, 40 W peak output, using a 300 µs pulse and 10 percent duty cycle pulsed signal. Leveraging wafer fabrication processes, the transistor provides high gain, efficiency, bandwidth and ruggedness over a wide bandwidth.
M/A-COM Technology Solutions Inc.,
The TQP7M9105 is a 1 W, 5 V high-linearity driver amplifier in a standard SOT-89 surface-mount package. At 0.9 GHz, the TQP7M9105 offers 19.4 dB gain, ultra-high 49 dBm OIP3, and +30 dBm of compressed 1 dB power while drawing a very low 220 mA current. Internal circuitry allows the amplifier to offer ‘Class A’ linearity performance with ‘Class AB’ efficiency. The TQP7M9105 contains added patented features implemented on-chip that differentiates it from other products in the market.
Flat Panel Antennas
L-com Inc. offers a HyperLink brand 900 MHz flat panel antenna that offers 9 dBi gain with a heavy duty all weather plastic radome. The new antenna is designed for indoor or outdoor 900 MHz ISM band applications, 900 MHz cellular applications, SCADA, and RFID applications. The heavy duty radome uses thick UV-stable plastic to provide a reliable 60° vertical or 70° horizontal beam width no matter what the outdoor conditions. It features direct ground lightning protection and comes with a tilt and swivel mast mount kit for easy alignment in either polarization.
The model 337 power MOSFET modulator, magnetron transmitter is designed to operate magnetrons up to 500 kW. The continuously variable pulse width range is 0.15 to 2.0 microseconds, or greater, at PRF up to 5 kHz. Maxi-mum pulse width is determined by the pulse storage capacitor value and the magnetron capability. Model 337 is not damaged by magnetron arcs. Arc energy to the magnetron is limited which helps clean up an arcing magnetron. The modulator HVPS is a very efficient, duty cycle regulated DC to DC converter design.
Applied Systems Engineering Inc.,
Voltage Controlled Oscillator
Crystek’s CVCO33BE-1662-1708 VCO operates from 1662 to 1708 MHz with a control voltage range of 0.5 to 4.5 V. This VCO features a typical phase noise of -106 dBc/Hz at 10 KHz offset and has excellent linearity. Output power is typically +2 dBm. Engineered and manufactured in the USA, the VCO is packaged in the industry-standard 0.5" × 0.5" SMD package. Input voltage is 5 V, with a maximum current consumption of 20 mA. Pulling and pushing are minimized to 5 MHz and 5 MHz/V, respectively.
The CLX-1020-XA phase-locked oscillator operates at 1020 MHz and features exceptionally low phase noise (<-109 dBc/Hz at 10 KHz). The unit is locked to an internal reference and offers +7 dBm output power with low power consumption (+5 VDC at < 65 mA) and low spurs (<-80 dBc). Custom units are available in fixed frequencies from 50 MHz to 4.5 GHz in a surface-mount package of just 0.75" × 0.75" × 0.25".
EM Research Inc.,
Voltage Controlled Oscillator
Z-Communications announced a new RoHS compliant VCO model USSP1217-LF in the L-Band. The USSP1217-LF operates at 1210 to 1230 MHz with a tuning voltage range of 0.5 to 3.0 Vdc. This miniaturized VCO features phase noise of -102 dBc/Hz at 10 kHz offset while operating off a 3.3 Vdc supply and typically drawing only 13 mA of current. The USSP1217-LF provides the end user an output power of 3±3 dBm into a 50 Ω load while operating over the industrial temperature range of -40° to 85°C.
Hesse & Knipps added the HBK08 Loop Former Bondhead to its BONDJET BJ935 andBONDJET BJ939 fully automatic heavy wire bonders to support growing requirements for high density module bonding. Offering highly precise die pattern recognition and bonder positioning precision, this heavy wire bondhead enables extremely long wire loops (up to 40 mm), special wire loop formations and minimal wire distances for fine pitch bonding in addition to multi-stitch bonding. It allows for low loop heights with higher wire stability than previously possible.
Hesse & Knipps Inc.,
Custom and standard MIMO simulators are offered to ease system optimization efforts and these simulators are available for mobile communication bands up to 6 GHz. All transmitter signals are routed to all receivers and link loss for every path can be individually modeled for phase and attenuation. Digital control – via Ethernet interface – enables the rapid steering of attenuators and phase shifters over 95 dB dynamic range and over any phase desired.
The new Step Probe series T-785 M with a splayed tip enables, for the first time, reliable testing of clips and jacks. The wear-free contacting is achieved via the outer wall of the contacting cage and the splayed tip. The splayed tip opens up as soon as the collar of the probe rests against the casing of the clip. Different variants are available for round and square cross-sections depending on the shape of the opening to be contacted. Assembly is carried out by means of a receptacle.
Ingun Prüfmittelbau GmbH,
Agilent introduced a 60 GHz remote sampling head oscilloscope module. The Agilent N1045A 2/4-port electrical remote sampling head module provides the most economical solution for accurately characterizing multilane designs used in today’s new and emerging standards such as IEEE 802.3 ba/bj/bm (40Gb/100Gb Ethernet) and Optical Internetworking Forum CEI 3.0. Users can configure up to four N1045A modules in a single Agilent 86100D DCA-X wide-bandwidth oscilloscope mainframe to create a system with 16 channels.
Agilent Technologies Inc.,
The NoiseWave NW-ATE series, an economical and rugged programmable noise generator, now covering from 10 MHz up to 40 GHz, is ideal for military and SATCOM applications including Ka-Band tests such as BER vs. Eb/No, interference and jamming. The instrument is fully programmable from the front panel and remotely via GPIB and Ethernet. The output level is controlled by an internal broadband variable attenuator in 1 dB steps. Many other options are available including finer attenuation resolution, an internal signal combiner and custom frequency ranges.
Tektronix introduced SPECMON, a spectrum analyzer with swept DPX technology that automatically scans the entire frequency range in real time to find transient interferers. With density and frequency mask triggers, SPECMON can capture infrequent transients and intelligently save only events of interests. It offers up to 110 MHz real-time bandwidth, widest in its class, and can capture events as short as 3.7 µs with 100 percent POI. Other built-in features further simplify spectrum management applications including time-saving mapping, interferer locator, signal demodulation and automated field measurements.
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