- Buyers Guide
Military Microwaves Supplement
ADI introduced two RF power detectors with wide dynamic range and best-in-class accuracy and temperature stability. The ADL5903 is an optimal solution for a variety of high frequency systems requiring accurate measurement of signal power independent of waveform characteristics. The ADL5506 is a complete subsystem for the measurement of RF signals in a wide range of wireless terminal devices. Both are offered in small packages with low-power operation, making them ideal for designs that are constrained by space or power.
Analog Devices Inc.,
As a vital link in utilizing a single coaxial cable to carry both RF signals and DC power, the new ABT series of bias tees from AtlanTecRF bring this capability to systems operating at frequencies up to 50 GHz. With RF connector choices of 2.92mm, SMA and Type N the actual frequency bands offered range from 10 MHz to 2.5 GHz through to 50 KHz to 50 GHz with DC voltage capability to 100 V and current capacity to 2.5 A.
Multilayer Organic Capacitors
AVX Corp. has doubled the capacitance of its 0603 multilayer organic capacitor (MLOC) series, extending the highest-rated capacitance value from 2.5 to 5.1 pF. Ideal for applications including RF power amplifiers, low noise amplifiers, filter networks and instrumentation, AVX’s 0603 MLO™ capacitors exhibit low ESR, high SRF and high Q and are capable of supporting frequencies well above 5 GHz. Expansion matched to PCBs for improved reliability, the series also exhibits low dielectric absorption (0.0015 percent) and capacitance tolerances as tight as ±0.02 pF.
Low Frequency Attenuators
Coaxial Components Corp. introduced DC to 4 GHz attenuators. By utilizing an innovative alternative to high-cost stainless-steel production, Coaxicom’s attenuators provide a cost-effective solution for general applications and in-field use. The low-frequency attenuator line is available in TNC (4910-(db)) and BNC (2910-(db)) series with an average power rating of 2 W. The attenuators are available in reverse polarity, between series adapters, as well as 50 or 75 Ω. They are RoHS and REACH compliant and range from 1 to 30 dB.
Coaxial Components Corp.,
PIN Diode Switch
Model S9L-51-0BX is a 3 W CW SP17T PIN diode switch that operates from 4.5 to 5 GHz. It has 30 dB of isolation with 3 dB insertion loss and a 1.5:1 VSWR. The device is controlled via 5 bits of TTL compatible logic with a switching speed of 1.0 µSec. The unit requires a power supply of +5/-12 V DC at +500/-200 mA of current. The package measures 3.5" × 3.5" × 0.8".
G.T. Microwave Inc.,
Linear Technology Corp. announced the LT3086, the latest addition to the LDO+™ family, offering significant functionality previously unavailable in linear regulators. The 40 V, 2.1 A low dropout linear regulator (LDO) includes current monitoring with externally settable current limit and temperature monitoring with external control of thermal limit temperature. The device includes a programmable power good status flag, cable drop compensation and easy paralleling. The current reference in the LT308x LDO family provides regulation, independent of output voltage.
Linear Technology Corp.,
The AMCOL-2-7/8 coaxial termination is designed to safely absorb high-power microwave and RF signals in a wide variety of operational systems and test and measurement applications. It has a specified operating frequency range of DC to 3.1 GHz, with a power handling capability of up to 50 W and a maximum return loss of 27 dB. The 50 Ω termination has overall dimensions of 202 × 60 mm and is equipped with an anodised aluminium heatsink.
High Frequency Couplers
Due to advances in circuit technology, Marki now offers stripline couplers with frequencies as high as 67 GHz. The C10-0667, C16-0667, and C20-0667 offer high 17 dB typical directivity from 6 to 67 GHz with coupling values of 10, 16 and 20 dB, respectively. They come in a small 1.050" long package with 1.85 mm connectors.
Marki Microwave Inc.,
Passive Plus offers extended-values for the traditional Hi-Q high power, low ESR/ESL, low noise, high self-resonance ultra-stable performance capacitors. Usually used for wireless broadcasting equipment, mobile base stations, GPS portables, MRI coils and radar, these capacitors are 100 percent RoHS compliant and offered in magnetic and non-magnetic terminations. They are designed and manufactured to meet the requirements for MIL-PRF-55681 and MIL-PRF-123.
Passive Plus Inc.,
QuinStar Technologies Inc. introduced its QIF series full band Faraday isolator which is available in six waveguide bands covering the frequency range of 26.5 to 110 GHz. QIF series isolators provide a minimum of 25 dB isolation and typically more than 30 dB isolation, with insertion loss of 1.3 dB maximum for Ka-Band and 2.2 dB maximum for W-Band. The QIF series isolators can handle power levels of 1 W at W-Band to 2 W at Ka-Band.
QuinStar Technologies Inc.,
Renaissance has developed a new solid state programmable attenuator, 19A3BA, that can be used to perform cellular fading simulations. The device operates from DC to 3 GHz with 5.5 dB insertion loss and can attenuate 100 dB in 1 dB steps. The attenuator can handle 20 dBm over -40°to +85°C.
Richardson RFPD Inc. announced immediate availability and full design support capabilities for a new absorptive 75 Ω RF single-pole, double-throw (SPDT) switch from Peregrine Semiconductor Corp. The PE42721 is manufactured on Peregrine’s UltraCMOS process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS.
Peregrine Semiconductor Corp., distributed by Richardson RFPD Inc.,
Skyworks introduced a highly integrated 5 GHz WLAN front end module for reference designs targeting smartphones and tablets in a 2.5 × 2.5 mm, QFN package. The SKY85702-11 incorporates a PA and a SPDT transmit and receive switch for mobile/portable 802.11ac applications and systems. The high performance FEM operates from a single supply voltage of 3.6 V, with an enable/disable function that allows power savings during off mode. An integrated power detector with 20 dB of dynamic range provides closed-loop power control within the system.
Skyworks Solutions Inc.,
High Performance Hybrid
The SQ-67 is a small, 3 dB, 90° hybrid coupler that operates from 427.5 to 477.5 MHz and is constructed with non-magnetic structure that is ideally suited for applications in medical imaging equipment where control of magnetic interference is critical. The maximum insertion loss is 0.4 dB with an amplitude unbalance of 0.7 dB maximum across the specified bandwidth. Other maximum specifications include phase unbalance of 90±3°, isolation of 20 dB and VSWR of 1.4:1 all ports.
Synergy Microwave Corp.,
RLC Electronics offers a micro miniature transfer switch which is an extremely compact design. The switch can be provided as either a surface mount design or a connectorized unit (SMA connectors standard). These switches offer excellent electrical performance through 26.5 GHz; VSWR of 1.7:1 max, insertion loss of 0.7 dB max and isolation of 50 dB min. The switch is available in failsafe and latching configurations with a choice of three different frequency ranges and three different coil voltages.
RLC Electronics Inc.,
Model 50HM1G6AB-47 is a compact, wideband, Class AB solid state hybrid power ampli-fier module that instantaneously covers 1 to 6 GHz. It operates from a single DC voltage and provides 48 dB of typical gain with excellent gain flatness, noise figure and low intermodulation distortion for military and wireless applications.
AR RF/Microwave Instrumentation,
Empower’s recent and unique Airborne Pulse HPA solution features UHF and L-Band pulse amplifiers tied to a shared power supply and delivering 1 and 3 kW pulse power, respectively. Each amplifier is housed in a 3U chassis, and the shared power supply is housed in a 1U chassis. This next generation solution replaces older products which totaled 16U in size – the UHF solid state amplifier was in an 8U chassis and an L-Band TWT was housed in another, separate 8U chassis.
Empower RF Systems Inc.
Nitronex announced the release of the NPA1006, a new broadband GaN amplifier. The NPA1006 is a 28 V, 20 MHz to 1 GHz, 15 W amplifier with 14 dB gain and 60 percent drain efficiency. It is housed in an industry-standard 6 × 5 mm DFN plastic package. The thermal resistance of the NPA1006 is 4.6°C/W, representing best in class for this power level. The NPA1006 utilizes Nitronex’s 28 V NRF1 GaN HEMT process, which has been in production since 2006.
PMI model no. PE2-28-218-5R0-12-15-SFF is a 2 to 18 GHz, low noise amplifier that provides 24 dB min of gain. The noise figure is 4.5 dB max and offers an OP1dB of 14 dBm min. The operating voltage is +15 V DC and the current draw is 200 mA max. The unit is supplied with removable SMA(F) connectors in PMI’s standard PE2 housing.
Planar Monolithics Industries Inc.,
GaAs E-PHEMT Amplifier
RFHIC’s AE618 is a new, state-of-the-art PHEMT MMIC, based on GaAs enhancement mode pseudomorphic high electron mobility transistor (E-PHEMT) which provides low current draw and very low noise. This push-pull amplifier, which contains two amplifiers, is designed for many applications including CATV, satellite, FTTH and optical node, an ideal solution for broadcasting applications for its high gain, good flatness and low noise. Email firstname.lastname@example.org for additional information, pricing and availability.
Covering the 2 to 6 GHz frequency band, the PTS6900 is a new solid state power amplifier (SSPA). Optimized for use in EW/ECM systems, the low band CW module produces a high power output of 150 W and has a 55 dB gain adjustable from 50 to 60 dB. This performance is achieved through an advanced design incorporating the latest 0.25 µm GaN MMIC technology and low loss power combiners. The unit measures 300 × 200 × 50 mm and weighs 4 kg.
TMD Technologies Ltd.,
RFMW Ltd. announced design and sales support for two internally matched, high IP3 low noise amplifiers from TriQuint. The TQL9042 and TQL9043 both feature bypass switches and shut-down pins offering re-ceivers the highest level of sensitivity performance. The TQL9042 offers 19 dB gain over 0.5 to 2 GHz with a market leading 0.42 dB noise figure. The TQL9043 provides frequency coverage from 1.5 to 2.7 GHz with >18 dB gain and 0.5 dB noise figure.
TriQuint, distributed by RFMW Ltd.,
Model SOD-37301213-22-S1 is a 37 GHz dielectric resonator oscillator (DRO). The oscillator is a free running oscillator and the high frequency stability is achieved by implementing a high quality dielectric resonator. The oscillator exhibits +13 dBm output power and low phase noise of -95 dBc/Hz at 100 KHz offset. The frequency stability of the oscillator is ±3 ppm per °C or better in the temperature range of -40° to +85°C.
SAGE Millimeter Inc.,
Tellurian Technologies announced the development of the T6000ET packaged clock oscillator with an extended temperature range of -40° to +125°C. The T6000ET is 2.5 × 2.0 × 0.9 mm. The frequency stability over the -40° to +125°C temperature range is ±50 ppm all conditions. The T6000ET has a low current consumption of 10 mA typical with supply voltage from 1.8, 2.5 and 3.3 V. The frequency range of the T6000ET is as low as 1.25 MHz up to 100 MHz.
Tellurian Technologies Inc.,
RF Power Sensor
LadyBug Technologies announced its new low frequency RF power sensor. The new LB559A-LF1 sensor adds coverage below 100 kHz to LadyBug’s laboratory-accuracy RF and microwave power sensor portfolio. Designed for calibration, medical and test applications, the new LB559A-LF1 sensor includes a powerful full featured Windows GUI application. Sensor features include NIST traceable calibration, a variety of connector options and support for programmatic measurements. Additional options include recorder output and hardware triggering input and output.
The SSG-6400HS is a DDS-based, USB and Ethernet controlled, ultra-wideband signal generator. This high performance model offers: frequency range from 250 kHz to 6400 MHz; 85 dB adjustable output power range from -75 dBm to +10 dBm; AM, PM, FM and pulse modulation; fine frequency resolution (<0.01 Hz); fine power resolution (0.01 dB); fast tuning (<300 µs); frequency/power sweeping (up, down and bi-directional); and hopping over power levels and frequencies. It is supplied with easy-to-install, easy-to-use GUI control software and API objects for Windows environments.
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