Radio receiver `` US ''.
Receiving and transmitting radio equipment.The US radio receiver has been produced since 1937 at one of the Moscow numbered factories. "US" stands for Universal Superheterodyne. The radio is primarily intended for aviation applications. Assembled a radio receiver on eight octal radio tubes. The operating frequency range is 175 ... 12,000 kHz. Sensitivity in telegraph mode 1 ... 4 μV, in telephone mode 4 ... 15 μV. Intermediate frequency 115 kHz. Selectivity for adjacent channels is about 60 dB, and for specular channels is about 15 dB. Receiver dimensions 320x130x170 mm. Its weight is 5.1 kg. Power is supplied from the on-board network of the aircraft through an umformer or from another external source. Since 1938, an improved US-1 radio receiver was produced, where the shortcomings of the previous model were eliminated. The design and design of the US-1 radio receiver, as well as the technical parameters, are the same.
