Homebrew DCF-77 Transmitter
Discrete DCF77 receiver with transistors
Homebrew DCF-77 Synthesizer
An active DCF77 antenna
DCF77 time signal emulator by Raspberry Pi Zero WH - Raspberry Pi Forums
A DCF77 Superheterodyne Receiver – OnMenWhoStareOnGraphs
DCF77 - Wikiwand
Circuit board for DCF77-Receiver with Signal level meter - Share - PCBWay
amplifier - Ferrite rod antenna for DCF77 simulator - Electrical Engineering Stack Exchange
Elektor Article: DCF77 Emulator with ESP8266 - Electronics-Lab.com | Led matrix, Internet time, Electronics lab
DCF77 AM Superhet Receiver
DCF77 Receiver Modules | Blinkenlight
DCF77 AM direct receiver with an OpAmp and ATtiny25
DCF77 Preamplifier - EEWeb
Dcf77 Receiver Module Radio Time Module Radio Clock Radio Module Antenna For Amplification Demodulation Identified - Tool Parts - AliExpress
DCF77 direct receiver amplifier with TCA440
Testing CMA-77-100 antenna with SYM-RFT-77 DCF77 receiver module « Adafruit Industries – Makers, hackers, artists, designers and engineers!
