Phase-locked loop filter

#10

September 6th 03, 07:48 PM

Jim Pennell

Posts: n/a

Hmmm... A fixed 187 KHz spur sounds as if it might be an oscillation on
the DC voltage regulator feeding the VCO. Although as has been mentioned,
the op-amp in the loop filter could oscillate and cause similar symptoms.

Jim Pennell
N6BIU

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