Radio and communication circuits - part 2

1. VHF FM super regenerative receiver.

VHF FM super regenerative circuit diagram

2. Super-regenerative receiver.

Super-regenerative receiver circuit diagram

3. VHF super-regenerative receiver with loop antenna.

VHF super-regenerative receiver with loop antenna circuit diagram

4. Super-regenerative receiver.

Super-regenerative receiver circuit schematic

5. FM demodulator based on FET transistor.

FM demodulator based on FET transistor circuit schematic

6. RF mixer circuit diagram.

RF mixer circuit schematic

7. Reflex MW radio circuit schematic.

Reflex MW radio circuit schematic

8. Radio Beacon.

Radio Beacon circuit diagram

9. VHF heterodyne with PLL.

VHF heterodyne with PLL circuit diagram

10. Phase preselector.

Phase preselector circuit diagram

11. Super regenerative shortwave radio.

Super regenerative Shortwave radio circuit diagram

12. LW/MW receiver with serial tank.

LW/MW receiver with serial tank circuit diagram

13. Phase modulator based on logic gates 7400.

Phase modulator based on logic circuit schematic

14. Direct conversion radio with auto tuning of input tank.

Direct conversion radio with auto tuning circuit schematic

15. FM demodulator with feedback.

FM demodulator circuit schematic

16. CW transmitter based on voltage regulator.

CW transmitter based on voltage regulator circuit diagram

17. FM discriminator without inductor coil.

FM discriminator without inductor coil circuit diagram

18. FM discriminator based on xtal.

FM discriminator based on xtal circuit diagram

19. Passive phase demodulator of FM.

Passive phase demodulator of FM circuit diagram

20. FM demodulator circuit.

FM demodulator circuit diagram

21. Tropodyne (regenerative receiver with no radiation).

Tropodyne circuit diagram

22. Wheatstone Bridge regenerative receiver (WBR) - regenerative receiver with no radiation.

Wheatstone Bridge Regenerator - WBR

23. Mixer for DCR.

Mixer for DCR

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