- Buyers Guide
Military Microwaves Supplement
Recent Advances in Radar Technology
Using Calibration to Optimize Performance in Crucial Measurements
Crystal Notch Filter
Anatech Electronics introduced the AS10CN801 crystal notch filter, which offers a notch center frequency of 10 MHz and notch bandwidth of 1 kHz. The filter’s rejection in the notch bandwidth is 80 dB, low-side passband is 9.8999 to 9.999 MHz, high-side passband is 10.001 to 10.201 MHz, and insertion loss is less than 1.3 dB. The filter’s power handling ability is 10 dBm, and it employs SMA female connectors. The AS10CN801 measures 6"× 1" × 1".
RS No. 216
RF Coaxial Cable Assemblies
Crystek has ruggedized its LL142 low-loss RF cable assemblies by incorporating a spiraled stainless steel casing, along with extra fortification provided by heavy-duty adhesive strain relief with a Neoprene jacket. This added measure of protection eliminates the failures commonly caused by cable flexion and compression. At 18 GHz, the new Armored LL142 assemblies feature attenuation of 0.36 dB/ft. and VSWR characteristics of < 1.3. Crystek’s Armored LL142 Series cables offer shielding effectiveness of greater than -110 dB with an operating temperature range of -55° to +85°C (extended range of -55° to +125°C available through special order).
Fort Myers, FL
RS No. 223
Ka-band Up/Down Converter
The Ka-band up/down converter assembly is a custom designed system. It operates in an anechoic chamber in order to simulate a radar receiver with realistic target echoes. The system includes four transmitter channels (up converter), one receiver channel (down converter), detectors, control circuitry and DC power suppliers. The system operates at 33.3 to 36.3 GHz RF frequency range and IF of 4.3 to 5.3 GHz. The receiver channel has the gain of greater than 40 dB and noise figure of 5 dB, while the transmitter P1dB varies from +20 to +32 dBm with different channels according to requirements. The LO input is about 13 dBm from 29 to 31 GHz. The LO is multiplied by 2 and then shared by all the channels. The assembly is in the standard rack mountable box with the dimension of 19" × 7" × 19".
Ducommun Technologies Inc.,
RS No. 224
Temperature Variable Attenuator
EMC Technology introduces a new wideband surface-mount temperature variable attenuator optimized for performance from DC to 20 GHz. Using EMC’s patented Thermopad® technology, the WTVA offers the best performance to date for high frequency applications including optimal temperature coefficients of attenuation (TCA) at frequencies from 12.4 up to 20 GHz. These devices have been noted for their excellent performance and small size, measuring only 0.070" × 0.060". The WTVA wideband temperature variable attenuator is available in a RoHS compliant solder finish with dB values from 2 to 6 dB and negative coefficient slopes from 0.003 to 0.006.
RS No. 217
RMS Power Detector
The LTC5583 is a 40 MHz to 6 GHz dual channel, matched RMS power detector, offering over 55 dB isolation at 2.14 GHz. In RF power amplifier (PA) applications, the LTC5583 provides a simple solution for accurately measuring forward power, reverse power and voltage standing wave ratio (VSWR). The device comprises a pair of 60 dB dynamic range RMS detectors that are matched to 1.25 dB. This provides accurate RF power measurement of high crest-factor signals such as those used in LTE, WiMAX, W-CDMA, TD-SCDMA and cdma2000 3G or 4G base stations and other high performance radios employing complex modulation waveforms.
RS No. 218
Coaxial Directional Coupler
The model 3000-10 is a coaxial directional coupler that delivers 10 dB of coupling from 225 MHz to 10 GHz, has flat frequency response characteristics, high directivity, and is ruggedized for both commercial and military applications. The model 3000-10 handles 200 W average and 10 kW peak RF power, has directivity of at least 30 dB, insertion loss of 0.7 dB or less, maximum VSWR of 1.15:1, maximum deviation from nominal of ±1.2 dB, absolute calibration accuracy of ±0.1 dB per 10 dB step, weighs 1.8 oz., measures 10.68" × 2.13" × 0.88", and uses Type-N female connectors. The model 3000-10 is available from Narda for immediate delivery.
RS No. 220
The Calibration Module is a two-port microwave assembly providing TTL selectable thru, open, short or 50 Ω termination load on the input port, and thru or 50 Ω termination on the output port. The four available Input/Output connections are: Short/Term, Open/Term, Term/Term or Thru/Thru. This unit permits calibration of coaxial test cables with far end termination type to be TTL controlled, where those far ends are in physically inconvenient locations such as in vacuum or thermal chambers. This permits cable recalibration without personnel opening or entering the chamber. This can save considerable time in production test environments.
RS No. 227
Two-way Power Divider
PS2-52-450/8S is a two-way power divider that covers the frequency range of 5 to 40 GHz with 2.2 dB insertion loss, 13 dB isolation and 1.90:1 maximum VSWR. Amplitude and phase balance are 0.8 dB and ±10 degrees, respectively. Power rating is 1 W and 2.92 female connectors are utilized.
Pulsar Microwave Corp.,
RS No. 221
Radiall USA Inc. introduces its new size 5 EN4531 Optical Adapter for existing MIL-C-81659B/DSX series (ARINC 404 standard) connectors. It is available in both male and female versions for either plug or receptacle DSX connectors. It is suitable for standard EN4531 multimode optical contacts (termini). With this new adapter, the optical contact performance meets and exceeds the requirements of the EN4531 standard. The two piece adapter can easily be removed using a standard extraction tool for size 5 coaxial contacts. This new size 5 EN4531 Optical Adapter is a key accessory to allow for fiber optic technology upgrade in existing rack and panel interconnect applications.
Radiall USA Inc.,
RS No. 228
Air Dielectric Directional Couplers
RLC Electronics’ miniature air dielectric directional couplers are rugged lightweight devices that offer lower insertion loss than comparable stripline units. The simplified construction allows for greater flexibility in creating customized configurations. Any port can be used as the input with these symmetrical devices. The standard units are available with a choice of coupling values and frequency ranges and an optional termination.
RLC Electronics Inc.,
Mount Kisco, NY
RS No. 222
The model SSPA 2.8-3.8-200-RM is a high power, CW RF amplifier that operates from 2.5 to 4 GHz in a rack-mounted configuration. This GaN amplifier is easily extendable for operation from 2.5 to 6 GHz with 200 W of RF power across the full band. Also, higher power levels are easily achievable. Please contact the factory. It is packaged in a 3U high, 19-inch rack-mounted enclosure. This amplifier has a minimum saturated output power of 200 W. This amplifier offers a typical saturated gain of 40 dB with a typical power flatness of ±1 dB. Input and output VSWR is 1.5:1 maximum. This RF rack-mounted amplifier operates from 208 to 220 Vac.
RS No. 229
AML announces the availability of a low noise X-band amplifier, model number AML812L3003. This LNA operates in the frequency range of 8 to 12 GHz with small-signal gain over 30 dB and a noise figure of 1.1 dB typical. Output P1dB is +10 dBm minimum. This amplifier is available in a SMA connectorized housing with internal voltage regulation and reverse voltage protection.
AML Communications Inc.,
RS No. 230
AR RF/Microwave Instrumentation has introduced a family of new solid-state amplifiers that are more compact, more efficient and more powerful than previous models. The new “S” Series covers 0.8 to 4.2 GHz and powers up to 800 W. These models employ a new design that delivers more than twice the power of older models. With these improvements, AR has maintained the superior rugged design for mismatch tolerance and excellent linearity.
AR RF/Microwave Instrumentation,
RS No. 231
MMIC Distributed PA
The model EWH2001ZZ is a distributed power amplifier (PA) for commercial, industrial and military applications from DC to 20 GHz. Based on GaAs pseudomorphic high-electron-mobility-transistor (PHEMT) technology, the monolithic-microwave-integrated-circuit (MMIC) distributed PA delivers +26 dBm typical output power at 1 dB compression (P1dB) through 12 GHz and typically +23 dBm through 20 GHz. The amplifier features impressive gain and gain flatness over its broad bandwidth, with small-signal gain of typically 19 dB at 2 GHz and typically 18 dB at 20 GHz, with gain flatness of ±2 dB from DC to 20 GHz. The broadband amplifier provides usable gain of 10 dB through 30 GHz.
San Jose, CA
RS No. 232
Coaxial High Power Amplifier
The ZVE-3W-183+ is a coaxial high power amplifier that operates in a frequency range from 6 to 18 GHz. Features include: high power, 3 W; wideband, 6 to 18 GHz; high IP3, +44 dBm typical; high dynamic range; high gain, 35 dB typical and good directivity, 35 dB typical; and internal voltage regulated for 13 to 18 VDC. Applications include: radar, video and instrumentation, and lab use.
RS No. 233
X-band Power Amplifier
A series of compact X-band amplifiers are introduced by MITEQ Inc., covering 30 to 34 dBm. The model AMF-6B-08501070-80-33P-ISO delivers over 33 dBm of power over the band 8.5 to 10.7 GHz, with over 30 dB gain and ±0.75 dB flatness. P1dB is over 34 dBm above 10 GHz. Noise figure is less than 8 dB, port VSWR is less than 1.5:1, and it draws about 1.4 A from a single +12 to +15 V DC supply. Output isolator is optional. Typical output IP3 is over 41 dBm. The housing has a footprint of only 3" by 1.9" and 0.9" high with SMA connectors. Heatsink and other control features are also available as options.
RS No. 234
Successive Detection Log Video Amplifiers
PMI model SDLVA-6G18G-CD-1 Successive Detection Log Video Amplifiers (SDLVA) offers 75 dB dynamic range over the frequency range of 6 to 18 GHz. This model offers an ultra-fast rise time of 10 nsec maximum and a recovery time of less than 60 nsec. The unit is temperature compensated such that log linearity over temperature remains less than ±2.5 dB over the full operating temperature range of -40° to +85°C. This model is supplied in a compact housing measuring only 3.2" × 1.8" × 0.4". Optional frequency ranges covering 100 MHz to 26.5 GHz are available.
Planar Monolithics Industries Inc.,
RS No. 235
The HMC924LC5 is a GaAs MMIC I/Q upconverter with variable gain that operates from 10 to 16 GHz, delivers a small-signal conversion gain of 15 dB and has -30 dBc of sideband rejection. The HMC924LC5 provides a high output IP3 of +14 dBm while maintaining LO/RF rejection of 15 dBc or better across the operating frequency band. The HMC- 925LC5 is a GaAs MMIC I/Q upconverter with variable gain that operates from 5.5 to 8.6 GHz, delivers a small-signal conversion gain of 16.5 dB and has -30 dBc of sideband rejection. The HMC925LC5 provides a high output IP3 of +29 dBm while maintaining LO/RF rejection of 22 dBc or better across the operating frequency band.
Hittite Microwave Corp.,
RS No. 237
The THOR-16000 Ku-band frequency synthesizer operates at 15.5 GHz over a > 5 percent bandwidth and features a RF enable/disable switch, suitable for On-Off Keying (OOK), Amplitude-Shift Keying (ASK) and Pulse-Position Modulation (PPM) techniques. The switching capability features > 30 dB on/off isolation and < 50 nsec transition time. The THOR-16000 is housed in a hi-rel, rugged package (2.5" × 1.1" × 0.4") of aluminum alloy, with an operating temperature range of -40° to +85°C. Additional characteristics of the unit include low phase noise, low spurs and low power consumption (+5 VDC at < 200 mA).
EM Research Inc.,
RS No. 239
Coaxial Resonator Oscillator
MODCO now offers a fundamental coaxial resonator oscillator for 7 GHz applications. The new MCR7200-7350MC tunes 7200 to 7350 MHz. Phase noise is -94 dBc at 10 kHz offset, Vcc is 8.0, Vt is 0.5 to 7.5 and Icc is 21 mA. Industry standard is 0.5 inch package.
RS No. 240
Low Phase Noise VCO
This RoHS compliant voltage-controlled oscillator (VCO) model CRO2690A-LF operates at 2690 MHz with a tuning voltage range of 0.5 to 4.5 VDC. This VCO features a typical phase noise of -114 dBc/Hz at 10 KHz offset and a typical tuning sensitivity of 7 MHz/V. The CRO2690A-LF is designed to deliver a typical output power of 4 dBm at 5 VDC supply while drawing 22 mA (typical) over the temperature range of -40° to 85°C. This VCO features typical second harmonic suppression of -15 dBc and comes in Z-Comm’s standard MINI-16-SM package measuring 0.5" × 0.5" × 0.22".
San Diego, CA
RS No. 241
24 GHz FMCW Radar
The FMCW radar system operates in the 24 GHz band and can easily be adapted to customer applications, offering efficiency and flexibility in product development. A fully configurable Digital Direct Synthesis (DDS) Controller in combination with a fast locking phase-locked loop (PLL) enables users to define an arbitrary waveform that suits the specific target environment. With an output power of 20 dBm (EIRP) targets up to a distance of 70 m can be detected. The radar system is built out of front-end, baseband and DC-modules that can be replaced depending on the desired functionality.
+49 2842 981 0
RS No. 242
RF Handheld Vector Network and Spectrum Analyzer Tool
Anritsu Co. introduces the MS202xB/MS203xB VNA Master™ series, the highest-performing handheld RF vector network analyzers (VNA) in the industry. With frequency coverage from 500 kHz to 4/6 GHz, and featuring multi-instrument functionality in a rugged, lightweight design that can withstand harsh environments, the MS202xB/MS203xB allow field engineers to find faults, optimize mission-critical systems, and maintain more sites while reducing operating and capital equipment expenditures. VNA Master provides field engineers with a powerful S-parameter measurement tool for on-site installation and maintenance activities, especially two-port transmission measurements such as filter tuning, component test and phase matching cables.
RS No. 243
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