- 23/08/20 Direct sampling AM receiver with FPGA is uploaded.
- 23/07/05 PSN SSB modulator (uPC8105GR) is uploaded.
- 23/07/01 Class-B push-pull power amplifier is uploaded.
- 23/06/21 Interface for FT8 is uploaded.
- 22/09/19 Introduction of a FPGA board Cmod S7 (6) is uploaded.
- 22/09/17 Introduction of a FPGA board Cmod S7 (5) is uploaded.
- 22/09/16 Introduction of a FPGA board Cmod S7 (4) is uploaded.
- 22/09/16 Introduction of a FPGA board Cmod S7 (3) is uploaded.
- 22/09/15 Introduction of a FPGA board Cmod S7 (2) is uploaded.
- 22/09/15 Introduction of a FPGA board Cmod S7 (1) is uploaded.
- 22/01/28 144MHz PLL synthesizer is uploaded.
- 21/06/14 Program files for AF-PSN is uploaded.
- 21/06/12 CW bear (Ver.2.2) is uploaded.
- 21/05/21 Wide band class-A power amplifier is uploaded.
- 21/05/15 PSN SSB modulator is uploaded.
- 21/05/06 Digital signal proccesing with a STM32 Nucleo board(3) is uploaded.
- 21/05/05 Digital signal proccesing with a STM32 Nucleo board(2) is uploaded.
- 21/05/04 Digital signal proccesing with a STM32 Nucleo board is uploaded.
- 20/09/12 CW bear (Ver.3) is uploaded.
- 20/08/30 negative feedback wide band amplifier is uploaded.
- 20/08/22 tools for designing Chebyshev filter (ripple 0.5dB) is uploaded.
- 20/08/22 tools for designing Chebyshev filter (ripple 0.1dB) is uploaded.
- 20/08/22 tools for designing Butterworth filter is uploaded.
- 20/08/21 tools for designing crystal ladder filters【links】 is uploaded.
- 20/08/18 ratio detector is uploaded.
- 20/08/18 Class-A power amplifier for the 144MHz band
is uploaded. - 20/08/18 Switching-type wide band power amplifier is uploaded.
- 20/08/18 FM radio is uploaded.
- 20/08/18 AM radio for HF band is uploaded.
- 20/08/16 CW bear (Ver.2) is uploaded.
- 20/08/16 About is uploaded.
- 20/08/16 Home page is created!