K7DYY D104 Processor Schematics and Repair
  
Analog Devices 2167 Preamp (PDF, 2.73Mb)
Analog Devices 2167 Evaluation Board (PDF, 1.4Mb)
D104 Design Notes (PDF, 785Kb)
Using the K7DYY Audio Processor (PDF, 654Kb)
Introducing the K7DYY D104 Audio Processor MK2 (PDF, 622Kb)
K7DYY D104 Audio Processor MK1 Schematic (PDF, 772Kb)

Back to K7DYY Schematics and Repair
⋅‒⋅ ⋅⋅ ⋅‒ ‒⋅ ‒⋅‒ ‒ ‒⋅⋅⋅ ‒⋅⋅ ‒⋅‒ ‒ ‒⋅‒ ‒

I am sorry to report that Bruce Douglas Franklin, K7DYY, passed away on February 28, 2026. 😢

Rest in peace, Bruce. 🙏 🙏
  

73,
Janis
AB2RA		 Text size:  +   –      Back to Modern Equipment
Back to AM Transmitters
Back to the Home Page