- Buyers Guide
Sn/Pb Conversion Process
AEM announced a hi-rel-qualified Sn/Pb (tin/lead) conversion process designed to mitigate the formation of tin whiskers in surface-mount components. The AEM process eliminates potential damage to sensitive electronic devices caused by conventional hot-solder dipping while ensuring that converted component terminations contain a minimum of 5 percent Pb as verified by SEM/EDS and XRF inspection methods. AEM’s Sn/Pb conversion process is best suited for chip-scale passive components.
High Power Pulsed Amplifier
Aethercomm has recently completed a high power SSPA using GaN with a frequency range covering 6 to 18 GHz, Aethercomm part number SSPA 6.000-18.00050. This broadband power amplifier offers high power over a multi-decade bandwidth with excellent power added efficiency. It produces 25 to 50 W Psat typical. The amplifier design includes an external DC blanking command that enables and disables the module in less than 20.0 µSec and is housed in an 8.50"(w) by 3.50" (l) by 1.38" (h) module.
COMTECH PST introduced a new GaN amplifier for applications in the X-Band radar market. The AB linear design operates over the 8.5 to 10 GHz frequency range and is intended for use in radar applications. The amplifier design features include options for control of phase and amplitude to allow for integration into high power systems utilizing conventional binary or phased array combining approaches for power levels of up to 10 kW.
Custom MMIC announced the addition of the CMD192 to its growing MMIC library of standard products. The CMD192 is a wideband DC to 20 GHz GaAs MMIC distributed amplifier available in die form. This amplifier delivers greater than 20 dB of gain with a corresponding output 1 dB compression point of +22 dBm and a noise figure of 2.8 dB at 18 GHz. The CMD192 is suitable for microwave radio and VSAT, telecom infrastructure, test instrumentation, and military and space applications.
Newly introduced, the IGN2731M200 S-Band radar transistor is capable of producing more than 60 percent efficiency. This GaN on SiC HEMT transistor is designed for the 2.7 to 3.1 GHz instantaneous operating frequency band and offers peak output power = 200 W at 300 us/10 percent/44 V. It utilizes a complete gold metallization system: chip, wire bond and package. It features internal impedance pre-matching structures. Production devices are 100 percent high power RF tested in a fixed tuned broadband RF test fixture.
Integra Technologies Inc.
Image Reject Mixer
RCIR-161LH+ is a surface-mount image reject mixer that operates in a frequency range from 80 to 168 MHz. Features include: excellent image rejection of 32 dB typical, low conversion loss of 6.1 dB typical and is aqueous washable. Applications include: VHF, military and avionics. Price: $19.95 each, Qty: 10.
RFMW announced design and sales support for two new Peregrine Semiconductor SP5T switches targeting T/R and filter-band switching in land mobile radio (LMR) and military radio applications where high power handling (17 W) is required. Both the PE42850 and PE42851 feature low power consumption of 130 microamperes which helps to extend battery life in mobile applications. The Peregrine PE42851 covers the frequency range of 100 to 1000 MHz while the PE42850 extends the low end frequency to 30 MHz.
distributed by RFMW Ltd.,
Skyworks Solutions Inc. unveiled a new device for cellular infrastructure, VHF/UHF military and public safety radios. The SKY12408-321LF is a 50 to 600 MHz, 6 dB differential attenuator that is pin-for-pin compatible with its 12 dB SKY12407-321LF attenuator, but ideal for IF radio applications requiring lower overall attenuation and gain control. The new solution also offers a novel differential I/O design and fast settling time for applications that down convert to a low Intermediate frequency.
Skyworks Solutions Inc.,
Wet Tantalum High-Energy Capacitor
Vishay Intertechnology introduced a new wet tantalum high-energy capacitor with low maximum ESR down to 0.025 Ω at +25°C and 1 kHz, and the highest capacitance of any similar device on the market. Manufactured to withstand high stress and hazardous environments, the HE4 features a unique case design for improved reliability and performance in military and aerospace applications. The HE4 utilizes Vishay’s proven SuperTan® hybrid cathode technology in combination with industry-leading anode designs to achieve its low ESR.
Vishay Intertechnology Inc.,
Richardson RFPD announced that it is taking orders for Xinger® III Femto Couplers. The Femto family is a new class of Xinger® couplers which are available in a miniature 5 × 3 mm footprint. There is no electrical performance tradeoff with the reduced footprint. The new devices cover a wide frequency range (700 to 2700 MHz), offer outstanding insertion loss, and 25 W power handling at 105ºC mounting temperature, making them ideal for small cell or active antenna systems.
Anaren, distributed by Richardson RFPD Inc.,
Anatech’s cavity bandpass filters for 700 MHz LTE are available for all uplink and downlink bands and meet the stringent requirements posed by dense channel spacing. They have more than 40 dB of rejection at 700 kHz from passband to stopband at band edges, low insertion loss, and PIM as low as -150 dBc. Models are available for indoor and outdoor installation and can have Type-N or 7/16 DIN connectors. Anatech can also quickly build bandpass filters for 700 MHz to meet custom requirements.
Anatech Electronics Inc.,
Two new high performance directional couplers from AtlanTecRF cover the entire frequency range from 375 MHz to 18 GHz with at least 3 GHz of overlap. Available in a choice of 10, 20 or 30 dB, the 50 W couplers with SMA connectors and built-in terminations will operate over a temperature range of -55° to +55°C, making them suitable for use in applications from airborne ECM to the benign test bench.
Transmitter Capacitor Equivalents
ATC announced the introduction of a new family of high RF power capacitor assembly transmitter capacitor equivalents. ATC’s extensive line of high RF power capacitor assemblies offers a cost-effective alternative to large and costly fixed vacuum capacitors, doorknobs and transmitter capacitors. ATC assemblies are ideal for the most demanding applications requiring high RF power at low frequencies. They are constructed with the finest materials and are engineered to provide the most reliable performance in the most demanding applications.
American Technical Ceramics,
Digitally Controlled Attenuator
Model A6P-68N-0JL is a phase invariant digitally controlled PIN diode attenuator that operates from 6 to 18 GHz. It is capable of 63.75 dB range in monotonic 0.25 dB steps. The attenuation flatness is ±3.0 dB at 64 dB and the delta phase is ±15° at 64 dB. With a maximum VSWR of 2.0:1 and an insertion loss less than 7 dB, this phase invariant attenuator is digitally controlled via 8 bits of TTL compatible binary logic with a switching speed less than 1.0 µSec.
G.T. Microwave Inc.,
Waveguide to Coaxial Adapter
The company has announced the optimization of the WR28 waveguide to coaxial adapter. It operates over 26.5 to 40 GHz in the full waveguide frequency range, with a VSWR of less than 1.25:1, insertion loss less than 0.3 dB and power handling is 50 W (average). The material is copper with a gold plating finish. The optimized design features integral machining for optimum electrical performance and high reliability.
Right Angle Adapter
Mesa Microwave introduceda new TNC (F) to TNC (M) right angle adapter. Specs include DC to 18 GHz, operating temperature of 65° to +165°C and VSWR of 1.25:1. Visit the company’s website to learn more about its full line of RF components such as precision coaxial connectors, cable assemblies and electronic components.
PMI Model No. P8T-500M40G-60-T-55-292FF is a high speed, single pole, eight throw, absorptive switch operating over the frequency range of 0.5 to 40 GHz. This switch has over 60 dB of isolation and is capable of switching within 50 ns.
Planar Monolithics Industries Inc.,
S2D Microwave Inc. offers a broadband, high performanceRF/microwave7 bit digital attenuator. This is a high performance compact unit with low insertion loss, fast switching speed, high power handling, low harmonic distortion, stable attenuation vs. temperature and TTL 7 bit attenuation control. Specs include: frequency: 0.5 to 20 GHz, insertion loss: 8.0 dB max, VSWR: 2:1 max, attenuation range: 61 dB, RF power handling: 22 dBm CW, 2 W peak (1 µS PW ) and switching speed: 100 ns typ.
S2D Microwave Inc.,
Low Pass Filter
The unique surface-mount low pass filter, model number FLS-100, has a passband from DC to 92 MHz and a cut-off frequency at 100 MHz. The passband loss is 1 dB maximum and has sharp stopbands of 20 dB (min.) at 135 MHz and 35 dB (min.) at 175 MHz. The passband VSWR is 1.3:1 typical and can handle 1 W. Built in a small surface mount package 0.840" × 0.520" × 0.440". Contact the factory for other LP as well as BP and HP models.
Synergy Microwave Corp.,
Solid State Amplifiers
With AR’s dual band amplifiers, you have freedom like never before. You pick the power from 5 to 80 W. You pick the bandwidth from 0.7 to 8 GHz, 0.7 to 10.6 GHz or 0.7 to 18 GHz. The company puts it together for you in one package that costs less, weighs less and takes less space than two separate amplifiers.
AR RF/Microwave Instrumentation,
Low Noise Amplifier
Eclipse Microdevices’ EMD-1725 is a 40 GHz GaAs MMIC PHEMTdistributed general purpose low noise amplifier. This 2.3 × 1.55 × 0.1 mm thick LNA has a small signal gain of 15 dB and is ideal for applications that require a typical P1dB output power of +15 dBm at 36 GHz, while requiring only 110 mA from a +8 V supply. The EMD-1725 has a slightly positive gain slope above 15 GHz which is ideal for most commercial and industrial applications.
GaN MMIC PA
Hittite announced the HMC1086F10, a 25 W GaN MMIC power amplifier that operates between 2 and 6 GHz, and is provided in a 10-lead flange mount package. The amplifier typically provides 23 dB of small signal gain, +44 dBm saturated output power and delivers +46 dBm output IP3 at +33 dBm output power per tone. The amplifier draws 1100 mA quiescent current from a +28 V DC supply. It features compact die sizes, high output power capability and simplified biasing.
Hittite Microwave Corp.,
Linear introduced the LTC2057HV, a zero-drift amplifier featuring self-calibrating circuitry that provides high DC precision and stability over changes in temperature, time, input range and supply voltage. With 5 µV input offset voltage, 0.025 µV/°C offset drift and 220nVP-P low frequency noise with no 1/f noise, the LTC2057HV offers more than 140 dB dynamic range while operating on a 60 V (±30 V) supply. This wide dynamic range enables tiny signals to be amplified in the presence of much larger signals without saturating the amplifier or losing precision.
Model MSH-4482501 is a new ultra-broadband amplifier offering low noise figures, good gain flatness, and output power. This model operates on 1 to 6 GHz with 28 dB gain, noise figure of 2.5 dB, +24 min. Pout (1 dBm), VSWR 2.0:1, and DC power +12.0 V/300 mA. The bandwidth makes this amplifier useful for many applications including ECM instrumentation and test sets.
Low Noise/High Gain Amplifier
MITEQ’s new model JS5-26004000-27-10P is a state-of-the-art 26 to 40 GHz low noise high gain amplifier with only 2.7 dB maximum noise figure and +10 dBm minimum P1dB. This model has a gain of 36 dB minimum in a small hermetically sealed package with field replaceable K-connectors. MIL-883 screening is also available. Different options such as low gain, noise figure and power output are also available.
Antenna Grade Laminates
Rogers Corp. Advanced Circuit Materials Division introduced improved high frequency materials to address several market needs. The improved RO4700JXR™ Series antenna grade laminates were designed for use in base station, RFID and other antenna designs and combine low-loss dielectric with low-profile copper foil for reduced passive intermodulation (PIM) and low insertion loss. The specially formulated RO4700JXR thermoset resin system incorporates a hollow microsphere filler resulting in a light weight, low density laminate, which is approximately 30 percent lighter weight than woven-glass PTFE materials.
Signal Antenna Systems’ (SAS) UWB300 is an ultra-wide vertical omni, suitable for transmit/rcv, and covers 300-12, 400 MHz (useable to 20 GHz), with dipole or better gain. SAS is a small dynamic organization dedicated to the design, development and production of state of the art antennas and related systems for military and commercial applications in the frequency range of 0.01 to 13 GHz. SAS provides design services as well as products, all supported by outdoor and indoor (anechoic chamber) test facilities.
Signal Antenna Systems,
Anritsu Co. introduced the MT8220T BTS Master, a multi-function handheld durable tester with all the capabilities network operators, sub-contractors, installers, and regulatory authorities need when measuring base stations. The third generation of Anritsu’s field-proven BTS Master family, the MT8220T has improved performance, including a standard GPS receiver, enhanced two-port dynamic range, faster LTE scanner, and expanded spectrum analysis capability, in a design that is thinner and lighter than previous models.
Crystek Crystals announced the release of a 245.760 MHz SAW clock oscillator (in single frequency band), the CCSO-914X-245.760. Crystek designed the module using proprietary circuitry and surface acoustic wave (SAW) resonator technology to provide ultra-low jitter/phase noise performance with true SineWave output. The resulting oscillator features -150 dBc/Hz phase noise at 10 KHz offset and a noise floor of -169 dBc/Hz.
NEL Frequency Controls announced the release of a new, tiny ultra low phase noise OCXO at 100 MHz. The O-CS8-0X Series comes in a 14 × 21 × 6.8 mm surface-mount package. This OCXO offers superior close-in phase noise of -135 dBc/Hz and -180 dBc/Hz phase noise on the floor. The O-CS8-0X features an SC-cut crystal and a frequency range of 80 to 120 MHz. Stabilities range from ±50 ppb with temperatures of -55° to 85°C. It has a Sine wave +17 dBm output.
NEL Frequency Controls Inc.,
Model SOL-24307-42-VG is a low cost, production ready K-Band varactor tuned Gunn oscillator. The VCO’s center frequency is set at 24.125 GHz with ±150 MHz frequency modulation bandwidth and +7 dBm nominal output power. The VCO operates from a single +5 V DC power supplier and typically draws 250 mA current and requires 0 to +15 V voltage swing for electrical tuning. The VCO is designed and manufactured to meet FCC Parts 15 regulations and exhibits -0.8 MHz/°C frequency and -0.03 dB/°C power stability.
SAGE Millimeter Inc.,
Tokyo Keiki introduced an ISM band (2.45 GHz) power source. The solid state power oscillator (SSPO) operates with 28 V DC and offers up to 1 kW output, including 2.45 GHz oscillator, power amplifier, I/F control cards, protection circuits, monitor, etc. Features are: small size, light weight and long operating life (>10 years). Output power (1 to 100 W at CW ) and frequency (2.4 to 2.5 GHz) are adjustable as per your request.
Tokyo Keiki Inc.,
Get access to premium content and e-newsletters by registering on the web site. You can also subscribe to Microwave Journal magazine.