• Projects •
  1. HF Transreceiver using NE612 IC
  2. DDS based on AD985X chip.
  3. HF Design using MC13135
  4. Direct Conversion Receiver using the famous NE612 for HF Bands
  5. My new HF Design Idea
  6. My 9Mhz SSB Generator Module SG-9 (Mizuho Co. Japan)
  7. 200 Channel Frequency Synthesizer for VHF
  8. RM - 96 HF Transreceiver by : VU2RM (S. RAMA MOHAN RAO)
  9. RF Modem using XR2211 / XR2206
  10. Frequency counter using PIC's
  11. Universal Frequency Counter ( 1 - 1300 Mhz) by OM3CPH
  12. Hamcom / JV Fax Interface
  13. Building an Interface for PSK 31 and SSTV by Buck Rogers, K4ABT (.pdf)
  14. A Flexible Digital Mode Interface by Jim Mitrenga, N9ART (.pdf)
  15. A Multi Mode Digital Interface
  16. CAT Interface for the FT840
  17. Cordless Mike (SM0VPO)
  18. VHF Receiver using MC3363
  19. FM Receiver using TDA7000 (SM0VPO)
  20. VHF NBFM Single Channel Transmitter using MC2833
  21. TOPIC programmer
  22. Extra Low cost PIC Programmer
  23. Real Time Controller - 
  24. Frequency Synthesizer using SPI
  25. HF Receiver using MC 3362
  26. SWR Meter by JA6HIC
  27. VHF Front End using NE 612 IC
  28. Morse Code Decoder using NE567 - Part I
  29. Easy Downloader for AT89C2051 - Programmer
  30. Natural Sound Effect Melody Generator
  31. Single Chip Voice Recording / Playback (60 Sec)
  32. Repeater Controller Board
  33. 15 Memory Telephone Dialer
  34. 40 Amps Power Supply Unit
  35. CQ - Parrot using APR0301 20 ~ 30 Second Voice recording chip
  36. Experimenting with new PLL Circuits
  37. Wireless Weather Station by Jerry Wasinger
  38. 2 Terminal Test Oscillator
  39. A Notch Filter
  40. Smart Battery Charger using MAX713 IC
  41. Battery Charge Controller.
  42. WIRELESS AIDED VALUE ADDED APPLICATIONS
  43. 16F877 Development Board
  44. AT89C2051 Development Board.

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