rf9.1.brd

By petera650

2 layer board of 2.90 x 1.45 inches (73.7 x 36.8 mm).
Shared on October 22nd, 2016 00:52

RF side of my AIS transponder at https://github.com/peterantypas/ais_transponder

Added more distance between LNA and RF ICs. Also added a probe connection for inspecting the RF signal exiting the LNA.

This unit is the bomb as far as RX is concerned. The performance of the Si4463 packet handler is much better when not hopping.

There is a 6dB difference in RSSI level at IC1 and IC2 (2 is closer to LNA, thus gets more signal).


rf9.1.brd

By petera650

2 layer board of 2.90 x 1.45 inches (73.7 x 36.8 mm).
Shared on October 22nd, 2016 00:52

RF side of my AIS transponder at https://github.com/peterantypas/ais_transponder

Added more distance between LNA and RF ICs. Also added a probe connection for inspecting the RF signal exiting the LNA.

This unit is the bomb as far as RX is concerned. The performance of the Si4463 packet handler is much better when not hopping.

There is a 6dB difference in RSSI level at IC1 and IC2 (2 is closer to LNA, thus gets more signal).