= HF8V = / = SP8WJT = / = SP0106RZ =
HF-12715
PROJECT: HF-12715
DESCRIPTION: RIT switch
STATUS: 3u
PCB: TPD12715
DIMENSIONS: 20 x 15 mm
PCB TECHNOLOGY: RM
PROJECT START DATE: 2005-2010 (exact date not recorded)
Modules made
| DESIGNATOR | PARTIA | PCB | STATUS | USAGE | REMARKS |
|---|
| HF-12715#1 | PARTIA1 | TPD12715#1 | u | HF-2407 | |
| HF-12715#2 | PARTIA1 | TPD12715#2 | u | HF-12150 | |
| HF-12715#3 | PARTIA1 | TPD12715#3 | u | reserve | |
Project Info
HF-12715 is simple RIT switch made on two BC847 transistors. All elements are SMD. This is not my original contruction but taken from some simple TRX but I cannot give more info because I dont record it. Maybe it was MFJ QRP TRX or something like this...
Sources:
[1]
Prefix 127
HF Register
Microcontrollers in my constructions
UC Database - my CPU collection
Electronics
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