WB4KDI Engineering Notebook

Rig Interfaces

Rig to Soundcard Interface with VOX¹

Proto Board	Box
RFI Insurance

Parts from old computer modems and monitors. What's in your junk box?

USB Serial and Keying Interfaces for TS-450/TS-690 and others

«FT_Prog» for FTDI USB to Serial interfaces.

To use RTS as PTT with the K1EL «WKUSB keyer» you must invert RTS signal with FT_Prog.
To use an FTDI TTL-232R-5V-WE cable to interface to a TS-450 or TS-690....
- Invert ALL (TXD, RXD, RTS and CTS) IO signals with FT_Prog.

¹VOX circuit from KH6TY, Skip Teller