2 layers20 × 65 mm
019-tayloe quadrature product detector
Halogenek/modular-rf-bench
Cheap and simple setup for learning RF electronics
30 parts3
Boards using the CD74HCT4052M
3 boardsBoards in 3 GitHub repositories, designed in KiCad, that use the CD74HCT4052M by Texas Instruments (-55℃~+125℃ 160Ω 165MHz 29ns 29ns 4 4.5V~5.5V 4:1 63ns Bidirectional analog channel SOIC-16 Analog Switches, Multiplexers ROHS). See how each wires it, with its parts, size, README and files; the CD74HCT4052M’s symbol, footprint and pinout are on its own page.
- 2 layers234 × 58 mm
PGA2311 3
dmsd-lab/AMP8611
AMP8611 - open hardware integrated stereo power amplifier with a 2-channel input selector, PGA2311 digital volume control and LM3886 power stages
213 partsCERN-OHL-S-2.0 - 2 layers120 × 100 mm
Control
olegantonov/skywave-sdr
Rádio portátil modular de baixo custo: ESP32-S3, OLED, PTT, HF SDR e expansão VHF/UHF. Em desenvolvimento.
82 partsMIT