Electromechanical Programmable Attenuator
BroadWave Technologies model 651-031-127 is a voltage controlled programmable attenuator originally developed for test applications. This 50 Ω attenuator has a frequency range of DC to 2200 MHz. Attenuation range is 1 to 127 dB in 1 dB steps with attenuation accuracy ±0.5 dB. Insertion loss is 4.5 dB max while VSWR is 1.5:1 max. Input power is 1 W average with supply voltage +12 VDC at 30 mA nominal per section.
BroadWave Technologies Inc.
Hi-Rel Frequency Dividers
Fairview Microwave Inc. has introduced a new line of frequency divider modules that cover broadband frequencies from 0.1 to 20 GHz. A comprehensive offering of 28 different models features fixed divide-by-ratios from 2 to 40. These compact prescalers are ideal for use in frequency synthesizer and phase locked loop (PLL) circuit designs, as well as test instrumentation systems. These rugged frequency dividers are typically used in applications such as SATCOM, VSAT, aerospace and defense, test & measurement and point-to-point radio networks.
Fairview Microwave Inc.
Low PIM Thermally Compensated Loads
MECA’s low PIM (−161 dBc typ.) 30 W loads feature industry leading PIM verified at 1900 MHz at −155 dBc min. and are thermally compensated to handle full rated power to 85oC. Covering 0.38 to 2.7 GHz available in Type N, 4.1/9.5, 4.3/10 and 7/16 DIN interfaces. VSWR’s of 1.1:1 typ./1.2:1 min. (0.698 to 2.7 GHz) and 1.15:1 typ./1.25:1 max (0.38 to 0.698 GHz). All in a compact package of 6 x 2.25 in. Made in the U.S. with 36-month warranty.
MECA Electronics Inc.
PPI 2010 Case Size Broadband Resistors are specifically designed to operate at frequencies up to 50 GHz. With special microwave laser-trimming used to ensure a tight tolerance at high frequencies, these broadband resistors are wire bondable, solderable and can be used in a flip-chip configuration.
Passive Plus Inc.
Pasternack, an Infinite Electronics brand, has launched a new line of 10, 25, 50 and 100 W RF attenuators with operating frequencies up to 18 GHz depending on the configuration. Pasternack now offers 31 high-power, fixed attenuators which offer attenuation levels of 3, 6, 10, 20, 30 and 40 dB. Additionally, in-series connector gender interfaces are available in male-female configurations with both SMA and Type-N connector options.
PMI Model No. BPM-1840-180-292FF is a Bi-Phase Modulator operating over the 18 to 40 GHz frequency range. This model offers insertion loss of 8 dB typ. while maintaining a typical amplitude balance of ±4 dB. This compact housing measures 1 x 1 x 0.5 in. and is outfitted with 2.92 mm female connectors.
Planar Monolithics Industries Inc.
RLC Electronics manufactures both narrowband and broadband bias tees from 5 MHz to 40 GHz that provide excellent performance over the full band. This unit is used to inject a DC current or voltage into an RF circuit without affecting the flow of RF through the main transmission path. Typical applications include biasing amplifiers, DC return, DC blocking, as well as other various digital and analog uses, including in air-borne applications.
RLC Electronics Inc.
Coaxial Lowpass Filter
Model SCF-55375330-2F2M-L1 is a coaxial lowpass filter with a passband from DC to 55 GHz. The typical insertion loss of the passband is 1.5 dB. The rejection band is from 75 to 110 GHz with a typical rejection value of 30 dB. The RF connectors of the filter are male and female 2.4 mm connectors. The passband typical return loss is 15 dB. Other configurations, such as different connectors for input and output, are available under different model numbers.