solid-state power amplifier

solid-state power amplifier

[‚säl·əd ‚stāt ′pau̇·ər ‚am·plə‚fī·ər]
(electronics)
An amplifier that uses field-effect transistors to provide useful amplification at gigahertz frequencies.
References in periodicals archive ?
The solid-state power amplifier is just as light, compact and energy-efficient as conventional tube amplifiers and therefore clearly superior to comparable solid-state products.
In this paper, a Ka-band solid-state power amplifier has been designed and fabricated with a novel waveguide magic tee.
The BC100 Stereo Amplifier is, in Gilbert's own words, a 50 watt per channel solid-state power amplifier utilizing Blue Circle's new specially designed, high current, high speed power supply capacitors.
Comtech Telecommunications Corp.'s Santa Clara, California-based subsidiary, Comtech Xicom Technology, Inc., which is part of Comtech's Commercial Solutions segment, announces a new GaN-based Ku-Band solid-state power amplifier (SSPA) that packs a tremendous amount of power into a compact 48-pound (22 kg) antenna-mount outdoor unit (ODU), the company said.
Recently, at the lower frequencies--C-Band--The high-power TWTA has been replaced with a solid-state power amplifier (SSPA) on a direct replacement basis.
The solid-state power amplifier is as light, compact and energy-efficient as conventional tube amplifiers and superior to comparable solid-state products.
The schematic circuit shown has been implemented for a C-band solid-state power amplifier. The voltage-controlled attenuator, using an HPND 4005 PIN diode, has been realized on an alumina substrate ([[epsilon].sub.r] = 9.9) by using a 3 dB Lange coupler in a microstrip line configuration.
The Sophia Wireless model MPC4-2531 solid-state power amplifier (SSPA) provides 27 W of saturated power at 30 GHz and wideband coverage of 24 to 27 W at P3dB over 25 to 31 GHz.
Using silicon bipolar technology, S-band transistors producing over 100 W of peak power at 10% duty cycle have been developed for use in solid-state radars.(2) A solid-state power amplifier in the 20-GHz frequency band with an output power of 5.5 W, 47-dB gain and 17% efficiency has been fabricated.
The model MPC4-2531 is a solid-state power amplifier (SSPA) that provides an unparalleled combination of high power and small size.
With these accomplishments, it would appear natural to anticipate solid-state power amplifier replacements for TWTs.
The model 5107 high power solid-state power amplifier offers a minimum linear power of 80 W across the 700 to 3000 MHz frequency band.