4 layers38.1 × 17.8 mm
Open-source KiCad boards
13 match “frohro”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 2 layers13.4 × 20.5 mm
Reflection Bridge
frohro/WWU-VNA
An Inexpensive Vector Network Analyzer Project for the Walla Walla University Electronics II Class
7 parts12MIT - 4 layers38.1 × 17.8 mm
- 4 layers73 × 37 mm
- 2 layers100 × 68 mm
- 4 layers73 × 37 mm
- 2 layers33 × 33 mm
Filter Board
frohro/pico-dev-ice
This is a direct down conversion (DDC) HF transceiver & VNA using the Raspberry Pi Pico and the iCE40UP5K.
20 parts3 - 4 layers220 × 233 mm
MDCL
frohro/modulation-dependent-carrier-level
A Modulation Dependent Carrier Level (MDCL) Board for Brown Boveri Shortwave Transmitters
67 partsGPL-3.0 - 2 layers65 × 56 mm
2017 VNA
frohro/WWU-VNA
An Inexpensive Vector Network Analyzer Project for the Walla Walla University Electronics II Class
64 parts12MIT - 4 layers36 × 18 mm
- 2 layers100 × 100 mm
- 4 layers100 × 100 mm
SDR TRX
frohro/SDR-TRX
SDR-TRX is an experimental low-cost digital mode ham radio HF transceiver.
141 parts14 - 4 layers100 × 100 mm
Pico Dev iCE
frohro/pico-dev-ice
This is a direct down conversion (DDC) HF transceiver & VNA using the Raspberry Pi Pico and the iCE40UP5K.
294 parts3