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This is a list of rack-mount or tabletop communications receivers that include short wave frequencies. This list does not include handheld, portable or consumer grade equipment. Those that include VHF or UHF can be termed wideband receivers, whereas those without HF would be termed scanners, or surveillance receivers.
Alinco ( Alinco Inc.) (TYO: 5933) is a Japanese manufacturer of radio and amplification equipment, and in the Japanese market, metal products, construction equipment, and exercise equipment. [ 1 ] Corporate affairs
The (American version) radio's main receiver covers 30 kHz through 60 MHz, 142 MHz through 152 MHz, and 420 through 450 MHz (plus 1240 through 1300 MHz with the "X" model). The sub-receiver tunes between 118 and 174 MHz, and from 220 to 512 MHz (VFO ranges).
SDRstick UDPSDR-HF1 [107] Please Note: A functional receiver requires both the UDPSDR-HF1 and a BeMicro SDK FPGA development board: Pre-built 0.1 – 30 MHz ? No 80 Msps 0/1 1G Ethernet via BeMicroCV-A9 Yes Yes Yes Altera (as an add-on) SDR MK1.5 'Andrus' [108] Pre-built, Open Source Design 5 kHz – 31 MHz (1.7 GHz downconverter opt.) ? No 64 MSPS
Two-way voice communications - A two-way radio is an audio transceiver, a receiver and transmitter in the same device, used for bidirectional person-to-person voice communication. The radio link may be half-duplex , using a single radio channel in which only one radio can transmit at a time. so different users take turns talking, pressing a ...
A communications receiver is a type of radio receiver used as a component of a radio communication link. This is in contrast to a broadcast receiver which is used to receive radio broadcasts . A communication receiver receives parts of the radio spectrum not used for broadcasting, including amateur, military, aircraft, marine, and other bands.
The term radio receiver is understood in this article to mean any device which is intended to receive a radio signal in order to generate useful information from the signal, most notably a recreation of the so-called baseband signal (such as audio) which modulated the radio signal at the time of transmission in a communications or broadcast system.
In order to achieve both good adjacent channel selectivity and image rejection, the double-conversion receiver uses two intermediate frequencies (IFs). The incoming radio frequency (RF) signal from the antenna is first mixed with a sinusoidal signal from the 1st local oscillator (LO) to give a high 1st IF frequency.
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