I have designed your M20047-1 into a new product. For initial production I would like your comments on the choice of support components.
Referring to the schematic in Page 1 of https://media.digikey.com/pdf/Data%20Sheets/Antenova/M20047-1_PS_Apr2018.pdf
D1 = Semtech RCLAMP3331ZATFT
L1 = 47nH Delta 0402HM-470EKTS
C1 = 56pF Vishay VJ0402D560JXAAJ, due to re-use in other parts of the board
The other side of L1 is decoupled with 2x 56pF Vishay VJ0402D560JXAAJ
Which initial values should I use for R1 and L2?
I have access to a vector network analyzer. The antenna track can be intercepted for analysis of the antenna only, without the radio chip in the loop. Do you have a procedure for tuning of the active GPS antenna on the circuit board?