soft key circuit

soft key circuit

Radio Equipment : HF Transceivers : Yaesu FT-1000MP

• Yaesu FT-1000-D RS 232 CAT interface - Schematic diagram circuit to build a RS232 serial interface for the Yaesu FT 1000D, works also as CW Keyer control with Log-EQF software. May be used with other Yaesu HF Transceivers.
  [ Hits: 220 | Votes: 1 | Rating: 1 ]

• Smith Chart Software - SimSmith is a highly interactive, real time Smith chart graphing program. Circuits are constructed using drag-n-drop. Load files can be imported from the EZNEC and CocoaNEC antenna simulation software and from the AIM4170 and miniVNApro antenna analyzers. Circuits and load files can be of any size. Key Features: SimSmith is one of the few Smith chart packages which models transmission line losses. SimSmith also allows the description of circuit elements using algebraic equations. SimSmith has only one screen and allows the screen to be resized to increase workspace or readability.
  [ Hits: 1574 | Votes: 6 | Rating: 6.5 ]

• OZ2M - Beacon Keyer - Circuit and software to build a beacon keyer, includes downloadable packages.
  [ Hits: 3964 | Votes: 23 | Rating: 8.21 ]

• Juma Keyer1 - Miniature PIC microcontroller based keyer kit with convenient modes. The kit includes PCB, componets, knob and ready programmed PIC microcontroller. Author make available from his web site Circuit diagram, Component layout,List of components and downloadable Software
  [ Hits: 101 | Votes: 0 | Rating: 0 ]

• Kenwood-to-PC Serial Interface - A circuit that connects an IBM compatible personal computer, running TR Log or CT (etc.) contest logging software, and Kenwood transceivers equipped with serial control ports. CW keying is also provided in this RFI filtered interface unit.
  [ Hits: 2287 | Votes: 3 | Rating: 4 ]