- Buyers Guide
Military Microwaves Supplement
Recent Advances in Radar Technology
Using Calibration to Optimize Performance in Crucial Measurements
Delta Microwave announced delivery of the X1980 High-Q TE111 dual-mode cylindrical cavity Waveguide filter for the X-Band data link for a space observatory application. The X1980 bandpass filter has a passband from 8.00 to 8.30 GHz with a maximum insertion loss of 0.5 dB and a maximum return loss of 20 dB. The unit has a minimum rejection of 40 dB from 6.9 to 7.9 and 8.4 to 9.4 GHz.
Oxnard, CA (805) 751-1100,
This 3-section narrowband cavity filter has a center frequency of 1817.5 MHz with an equiripple bandwidth of 17.4 MHz minimum, yielding an insertion loss of 1.5 dB maximum. The out-of-band attenuation for this 3-pole filter is 30 dB minimum from DC to 1767.5 MHz and from 1867.5 MHz. The group delay variation is less than 2 ns maximum over 1812.5 to 1822.5 MHz. The input/output return loss is 14 dB minimum over the 1807.5 to 1827.5 MHz passband.
K&L Microwave Inc.,
Salisbury, MD (410) 749-2424,
Krytar’s model 180120 is a multi-purpose, stripline design that exhibits excellent coupling over the 1 to 18 GHz frequency band. Krytar’s technological advances has extended the frequency range of this single unit from 1 to 18 GHz with coupling (with respect to output) of 20 dB ±1.0 dB, frequency sensitivity of ± 0.3 dB (1 to 12.4 GHz), ± 0.4 dB (1 to 18 GHz), and directivity of > 16 dB. The directional coupler exhibits insertion loss (including coupled power) of less than 0.95 dB across the frequency range.
Sunnyvale, CA (408) 734-5999,
The LTC5584 is an ultrawide bandwidth direct conversion I/Q demodulator with linearity of 31 dBm IIP3 and 70 dBm IIP2. The device offers demodulation bandwidth of over 530 MHz and operates over a wide frequency range from 30 MHz to 1.4 GHz, covering a broad range of VHF and UHF radios and the 450/700 MHz LTE frequency bands. Unique to the LTC5584 are two built-in calibration features: advanced circuitry and on-chip circuitry. Combined with a 9.9 dB noise figure, these features enhance the dynamic range performance in receivers.
Milpitas, CA (408) 432-1900,
Compact, high-performance Wilkinson power divider/combiners ideally suited for C-, X- and Ku-Band systems applications. Two-way and four-way SMA-female models feature high isolation, low insertion loss, exceptional VSWR and excellent phase/amplitude balance. Available in octave bands and also broadband designs including 2 to 18 GHz. Delivery from stock – four weeks ARO. Made in USA – 36 month warranty.
MECA Electronics Inc.,
Denville, NJ (973) 625-0733,
Mini-Circuits new TCM2-33X+ transformer is ideal for impedance-matching push-pull amplifiers across all major cellular frequencies and for many WLAN systems. This patent-pending dual output autotransformer offers an excellent return loss of 20 dB typical, across its entire frequency range, for 2:1 balanced-to-unbalanced transformations in 50 Ω applications. It has a wide bandwidth of 30 to 3000 MHz. The aqueous washable case includes Mini-Circuits unique Top Hat™ feature to help speed customer pick-and-place, and is available on small quantity reels (20 pieces and up) at no extra cost.
Brooklyn, NY (718) 934-4500,
NIC introduced a high frequency LC filter at 5252 MHz, designed for use in Hi-Rel C-Band application. This filter offers high performance in a low profile (0.2" & up) hermetically sealed package. It features low insertion loss and high rejection, as well as a ruggedized package for Hi-Rel environments.
Networks International Corp.,
Overland Park, KS (913) 685-3400,
Single Sideband Modulator
ModelPSM-0R5G2R5G-CD-1 is a single sideband modulator that operates over the 500 MHz to 2.5 GHz frequency range. The input P1dB is +5 dBm typical and has an IF modulation range of DC to 500 MHz. The IF modulation power range is +7 dBm minimum and +13 dBm maximum into 50 ohms. The conversion loss is 13.5 dB maximum and this model provides carrier suppression of 23 dBc typically. The Quadrature phase accuracy is ± 10 degrees maximum with a Quadrature amplitude accuracy of ± 2.0 dB maximum.
Planar Monolithics Industries Inc.,
Frederick, MD (301) 662-5019,
90º Quadrature Hybrid
Response Microwave Inc. announced the availability of its new broadband 3 dB, 90° quadrature hybrid for use in automated test and production applications. The new RMHY3.18000Sf covers the 2 to 18 GHz band offering typical electrical performance of 1.5 dB insertion loss, VSWR of 1.50:1, minimum isolation of 16 dB. Average power handling is 50 W and the unit is operational over the –55°to +85°C range.
Response Microwave Inc.,
Devens, MA (978) 772-3767,
Bessel Lowpass Filters
RLC Electronics now offers 4th order tubular Bessel lowpass filters with 3 dB cutoffs from 1 to 22 GHz. Computer design and tubular construction allow RLC to maintain excellent group delay characteristics with reasonable rejection while extending RLC’s 3 dB cutoff approaching 30 Giga bits. These filters should be regarded as compromise designs for pulsed systems where truthful reproduction of the pulse shape is important.
RLC Electronics Inc.,
Mount Kisco, NY (914) 241-1334,
Skyworks introduced a 0.1 to 2.7 GHz SP4T switch with integrated logic decoder for GSM quad-band receive and diversity-antenna applications. The 2 × 2 mm SKY13388-465LF is controlled with 1.8 V logic and is ideal for 3G handsets and data cards. It delivers low-insertion loss, does not require any DC blocks or external components for operation, and its high-compression point leads to better linearity, lower-harmonic generation, and less stringent harmonic filtering.
Skyworks Solutions Inc.,
Woburn, MA (781) 376-3000,
The TAT8857 is ideal for use as a ‘green doubler’ in typical 75 Ohm line amplifier systems where it reduces power consumption 20% compared to existing MMIC solutions in standard 24 V operation. It is versatile, designed for distribution node applications from 40 to 1002 MHz; it can also be operated on 12 V for optimal efficiency. The TAT8857 utilizes on-chip linearized, integrated PHEMT and MESFET technology to provide low distortion configurable gain from 22 to 27 dB. The device comes in a standard SOIC-16 package.
Hillsboro, OR (503) 615-9000,
Dual Directional Coupler
Werlatone’s new 40 dB dual directional coupler, model C8998, offers exceptional performance while covering a full 100 to 3000 MHz band and is rated for 250 W CW. Operating with only 0.4 dB of insertion loss, this compact design measures just 3" × 2.2" × 1.1" and is designed for commercial and military applications. It has an operating temperature of -55° to +85°C and is available with N female and SMA female connectors.
Patterson, NY (845) 278-2238,
Solid-State Power Amplifiers
CTT Inc. announced a new family of 39 compact, GaN-based SSPAs operating in the 6.4 to 11 GHz frequencyrange.CTT’s latest compact SSPA designs offer as much as 160 W of output power in a compact package. They include 15 models for narrowband applications operating from 7.8 to 10.7 GHz in CW mode. For wideband and ultra-wideband applications, there are 12 models that operate from 6.4 to 11 GHz in CW mode.
Sunnyvale, CA (408) 541-0596,
Optical Modulator Driver
Hittite Microwave Corp. released the industry’s lowest power and smallest form factor SMT packaged optical modulator driver. It operates from DC to 30 GHz and is designed for 40 and 100 Gbps Mach-Zehnder optical modulator driver applications. The HMC5850BG features high gain across a wide frequency range, low power dissipation, very compact size, integrated peak detector function, fast rise/fall time and integrated bias-tee inductor. The driver provides 8 Vp-p saturated output swing up to 32 Gbps and features output swing cross point adjustment.
Hittite Microwave Corp.,
Chelmsford, MA (978) 250-3343,
TheMADR-010410 is an efficient CMOS driver and ideal for logic control of GaAs based T/R modules as well as a 6-Bit S/P driver for attenuators or phase shifters. High speed analog CMOS technology is utilized to achieve low power consumption at moderate to high speeds. The MADR-010410 boasts low power dissipation and translates CMOS/LVCMOS input controls to negative gate control voltages for GaAs FETs. Packaged in a 5 mm 40-Lead PQFN, the CMOS driver allows a high output voltage of -0.1 V and a low output voltage of 0.1 V.
M/A-COM Technology Solutions Inc.,
Lowell, MA (978) 656-2896,
Microsemi announced 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 min. This amplifier is available in a SMA connectorized housing with internal voltage regulation and reverse voltage protection.
Santa Clara, CA (805) 388-1345,
The HHPAE-459 power amplifier covers the frequency range from 71 to 76 GHz. The amplifier has an output P1dB of +18 dBm with small signal gain of 29 dB. MMIC technology is employed for high reliability and repeatability. A single +6.5 V DC bias feeds an internal voltage regulator and bias sequencer to power the amplifier, freeing the user from the complications of a dual bias configuration. The amplifier was designed for use in transmitters for E-Band radio communications systems.
Harvard, MA (978) 772-7774,
Wideband Power Amplifier
Using an advanced high power density GaN semiconductor process, RFMD’s new RFHA1006 high-performance amplifier achieves high efficiency, flat gain, and large instantaneous bandwidth in a single amplifier design. This input-matched GaN transistor is packaged in an air cavity ceramic package for excellent thermal stability through the use of advanced heat sink and power dissipation technologies. Ease of integration is accomplished through the incorporation of optimized input matching network within the package that provides wideband gain and power performance in a single amplifier.
3D Simulation Platform
SPEAG’s latest release of SEMCAD X provides users the unique capability to combine a new solver based on the Mode Matching Technique with proven FDTD techniques for the accurate and fast simulation of passive waveguide structures. The new solver has been integrated into the existing SEMCAD X framework to solve complex EM challenges in the microwave industry. Together with the EM and Thermal solvers, SEMCAD X Microwave can be successfully applied to a wide variety of electromagnetic problems ranging from microwave devices, EMC, optics, to bio-medical applications.
Schmid & Partner Engineering AG,
API Technologies Corp. announced a new line of multiplied phase locked oscillators from the Spectrum Microwave family of products. Phase noise performance is -175 dBc/Hz (at 100 kHz offset) and can use its internal or external 10 MHz reference. The line has an output range of 80 to 1600 MHz and deliver spurious performance of -60 dBc when powered by a +12 V supply. Additional features include: DC voltage regulation, automatic reference sensing, low current consumption and multiple RF outputs.
API Technologies Corp.,
Orlando , FL (855) 294-3800,
Crystek Corp.’s CCHD-950 Series HCMOS clock oscillator has a -168 dBc/Hz noise floor (100 MHz model). The CCHD-950 generates frequencies between 45 and 130 MHz, with 50, 80, 100 and 130 MHz offered as standard. A high-Q crystal and 3rd overtone technology provide the ultra-low phase noise and low-jitter performance. Generating no sub-harmonics, the CCHD-950 requires an input supply voltage of 3.3 V dc consuming 15 mA of current. It is available in an FR5 9 × 14 mm SMD
Fort Myers, FL (800) 237-3061,
The USSP2350-LF covers the frequency range of 2300 to 2400 MHz in 0.5 to 3 V of tuning voltage. This high performance VCO comes available in a compact surface-mount package measuring 0.2" × 0.2" × 0.04" while operating off 2.7 V and drawing 6 mA, typically. The USSP2350-LF provides a spectral purity of –82 dBc/Hz, typically, at 10 kHz from the carrier and is designed to operate over the commercial temperature range of –20° to 70°C. This VCO delivers 0±4 dBm of output power into a 50 ohm load and suppresses the 2nd harmonic to better than -13 dBc.
Poway, CA (858) 621-2700,
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