Receiver ICs with fully integrated VCOs are very welcome to the system designer because there is no need for external VCO components like varactor diodes or inductors. On the other hand, a fully ...
The TH71102 FSK/ASK double-conversion superheterodyne receiver IC is designed for applications in the European 433 MHz industrial-scientific-medical (ISM) band, according to the EN 300 220 ...
Marked: (Plate) "Radiola Superhetrodyne Model AR812 No. 145451, Range 220-550 Meters. Patented: 1/21/08; 3/5/12; 10/6/14; 7/3/17; 10/22/18; 6/27/20; 6/8/20; 2/18/16 ...
Marked: "Western Electric / 4-D Radio Receiver / Patented in U.S.A. / ... / Patents Applied For / Serial No. 256 / Made in U.S.A. / Licensed for use only as a commercial radio receiving unit." A ...
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