Philips PM 6665 timer/counter 120MHz
Frequency Range
- Input A: 0 MHz to 120 MHz (A/B); 0 MHz to 12 MHz (B/A, C/A, A/B Single)
- Input B: 0 MHz to 12 MHz
- Input C: 70 MHz to 1.3 GHz
Readout: 9-digit LCD and cursor indication
DC-Coupled: DC to 120 MHz, typ. to 160 MHz
AC-Coupled: 20 Hz to 120 MHz,typ.to 160 MHz
Minimum Pulse Duration: 4 ns
Coupling: AC- or dc-coupled , switch selectable lmpedance: 1 MQ//35 pF
Channel Input: Separate A and B, or common via A
Maximum Voltage Without Damage:350V (dc + ac peak) between O Hz and 440 Hz, falling to 8V rms at 1 MHz.
Frequency Range
- DC-Coupled: DC to 120 MHz, typ. to 160 MHz
- AC-Coupled: 20 Hz to 120 MHz,typ.to 160 MHz
- Minimum Pulse Duration: 4 ns
- Coupling: AC or dc
Documentation
Manuals
Service Manual - Philips PM 6665 - Counter (opweb.de) 44 pagine
Datasheet
PHILIPS PM6665 Datasheet (testequipmenthq.com)
Applications
Philips-Fluke PM6665 Frequency Counter with Oven Controlled Crystal Oscillator – JackenHack
Upgrade
PM6665/PM6669 OCXO upgrade - Page 1 (eevblog.com)