R-123 "Magnolia" (Р-123 «Магнолия») is a

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

military HF/

VHF Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter. Frequencies immediately below VHF ...

radio transceiver designed for use in tanks and other armoured vehicles. The device was made in the Ryazan radio plant.

Deployment

The R-123 set was commonly used in conjunction with the R-124 intercom system in armoured vehicles. Introduced in the early 1960s, the R-123 set was also adopted by other

Warsaw Pact The Warsaw Pact (WP) or Treaty of Warsaw, formally the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defense treaty signed in Warsaw, Poland, between the Soviet Union and seven other Eastern Bloc socialist republi ...

members and exported to countries such as Finland, Egypt, and Iraq.

Technical specifications

R-123

* FM,

superheterodyne A superheterodyne receiver, often shortened to superhet, is a type of radio receiver that uses frequency mixing to convert a received signal to a fixed intermediate frequency (IF) which can be more conveniently processed than the original carrie ...

radio transceiver. Circuitry consists of 32

valves A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fitting ...

and various semiconductor devices. *Tuning system: In addition to manual tuning, up to 4 preset channels can be selected using a motorized servo system. *Frequency range: **Band 1 = 20.00 - 35.75 MHz **Band 2 = 35.75 - 51.50 MHz *Channel spacing: 25 kHz *Transmitter power: 20 W *Range: 20 km *Antennas: **Tank rod antenna: 4 m **Telescopic antenna: 6 m *Operating temperature range: -40 to +50 °C *Dimensions: 428 × 225 × 178 mm *Weight: 25 kg

BP-26 power supply unit

*Transistorized inverter *Input voltage: 26 V *Output voltages: + 1.2 V, + 6.3 V, + 150 V, - 150 V, + 250 V and + 600 V *Dimensions: 210 × 164 × 218 mm *Weight: 7 kg

References

{{Reflist

External links

*https://www.radiomuseum.org/r/riazan_magnolia_r_123r_12p_12.html Military electronics of Russia Military radio systems Radio in the Soviet Union Military equipment introduced in the 1960s