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Simple MW- HF- Regenerative Receiver

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ANTENTOP- 01- 2014 # 018

Simple MW- HF- Regenerative Receiver

 

 

Seiji

Credit Line: http://www.cqham.ru/forum/showthread.php?t=14624&page=435

 

 

Simple MW- HF Regenerative receiver has two independently stages- one for MW-Band another one for HF-Band. HF Band is covered 6.3- 9.0- MHz. One two-section variable capacitor (C26) is used for both sections. HF Section has fine tuning- there are VD1 and R2. R6 and R8 is regeneration control for MW and HF- Band. R22 is Audio Gain.

LED1 shows tuning on the station. Circuit on VT5, VT6, VD2 and VD3 is Automatic Gain Control. Diodes VD2 and VD3 are germanium ones. Speaker is 8- Ohm/1-Wtt. Figure 1 shows schematic of the receiver. Figure 2 shows inductors for MW and HF- Band. Tap at MW- Band made from 1 turn from cold end.

 

Figure 1 Schematic of the Simple MW- HF- Regenerative Receiver

 

 

 

Figure 2 Inductors for MW and HF- Band

 

 

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May 1, 2016 22:41

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