Products > Test Equipment

Replacement for the PM9610 Prescaler for Philips PM6654 High precision Counter

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SaabFAN:
Your schematic looks good, except for the terminators R9 and R10.
The way you have connected them, you have formed a voltage-divider with R1, resulting in a much lower DC-Voltage at Pin 3 of the MMIC.
You need to isolate the DC-Supply from the terminators by two additional DC Block-Capacitors (see attached picture)

david69:
I will make test platine :) Thank You

nctnico:
I'd put way more clearance between the HF traces and the ground pours. Say at least 2mm or so but there are online tools which can calculate the minimum clearance between a microstrip and ground pours.

david69:
reworked platine

SaabFAN:
I would also add Ground-Stitching Vias to the board to connect the top and bottom ground-plane.

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