Circuitos

1. MW reflex radio.


2. FM radio with Phase-locked loop.

3. Regenerative receiver.

4. Regenerative detector.

5. SW AM regenerative radio with automatic regeneration control.

6. FM radio with Phase-locked loop.

7. FM regenerative radio with low voltage power supply.
8. Circuit diagram of spark-gap CW transmitter from "Aurora" cruiser.

9. DSB modulator based on varicaps.

10. FM regenerative radio circuit schematic.

11. FM regenerative radio with AM suppression.
12. Regenerative receiver with automatic regeneration control.
13. MW receiver circuit diagram.
14. Super regenerative receiver.

15. SW regenerative receiver.

16. PLL circuit.

17. Balanced mixer.

18. Frequency syntezator with 1 mHz step.

19. Frequency doubler.

20. Attenuator based on the bridge circuit.

21. Balanced mixer.

22. Phase modulator circuit.
23. Microtransceiver.
24. Phase modulator based on 7400 and 7474 IC's.
25. VHF regenerative radio.
26. SW regenerative radio.
27. SW regenerative radio.
28. Mixer with wide dynamic range (132dB).
29. SW regenerative radio based on opto-isolator circuit.
30. Simple regenerative radio.
31. RX audio transmitter circuit diagram (radiomicrophone).
32. VHF regenerative radio.
33. MW radio based on op-amps.
34.Balanced mixer .
35. Active magnetic loop antenna.
36. Sensitive AM demodulator.
37. AM/FM regenerative receiver.
38. VHF regenerative radio.
39. FM demodulator based on logic gates (7400).

40. VHF FM super regenerative receiver.
41. Super-regenerative receiver.

42. 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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