1 to 60 MHz Band pass filter for dual ADC SDR (Orion class, Anvelina, Red Pitaya)
This pcb serves as RX bandpass for the new generation of Alexiares frontend
It replace the former Alexiares HPF filter and uses the very same SPI bus protocol
Please note that on BPF1
K23, FB45, FB46, R11, R12, C106 and C93 should NOT be soldered
(pads 3-10 and 9-4 should be strapped)
Signal RX2_GND is not used
BPF2 should be fully assembled, with K23, FB45, FB46, R11, R12, C106 and C93. Signal RX2_GND should be present on J6
(see Alexandrie V2 wirering )