Equipment information:

Philips PM 6675 Frequency counter
Manufacturer:
Philips
Model: PM 6675
Date: 1982
Category: Measurement instruments
Group: Frequency counter
Description: Universal Frequency Counter
Information:
                                    The PM 6673 .. .76 series of universal frequency counters
offers automatic time and frequency measurements under
microcomputer control.
For application in measuring systems, provision is made by
an interface option for full I EC-625/IEEE-488 bus
programmability. Other data interface options, like BCD and
analog output, are also available.
An internal rechargeable battery unit is available to enable
the counter to be used in field applications.

These manuals are available for the above equipment:

Philips -- PM 6675 -- User Manual
File name: Philips-6733-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 16
Size: 2.71 Mbytes (2839262 Bytes)
Language: english
Revision: Third edition
Manual-ID/Number: 9499 460 10901
Date: 01 September 1986
Quality: Scanned document, all readable.
Upload date:
MD5: 544ac4c8b98ade654bb43450a6d32768
ed2kID: 06e7c3c0706602322a5bdf2e889bc3d6
Downloads: 163 since 18 May 2015
Information:
1.
Technical specification....
...4
2.
Installation instructions...
. 7
3.
Operating instructions....
...8
Front panel controls.........
8
Rear panel controls..........
9
Theory of measurements.. 10 Practical measurements.... 14
Philips-6733-Manual-Page-1-Picture
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Philips -- PM 6675 -- Service Manual
File name: Philips-6739-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 80
Size: 3.10 Mbytes (3255315 Bytes)
Language: english
Revision: First edition
Manual-ID/Number: 9499 465 00111
Date: 15 May 1982
Quality: Scanned document, all readable.
Upload date:
MD5: 298780e526a0f0fbb886cca630074d69
ed2kID: 9f61311170357cc2fb4103403c44a67f
Downloads: 129 since 19 May 2015
Information:
1. CIRCUIT DESCRIPTION
120MHz Input Amplifier
- Input D Amplifier
- 0Q0040 Counter-on-a-chip
- The Microcomputer
- Measuring Time
- External Main Gate Network
- Automatic switch between conventional and
reciprocal frequency measurement
- Microcomputer - 0Q0040 Communication
- Microcomputer - Display - Function Selector
Communication
- The Power Supply
- 550MHz Prescaler for PM 6674
- 600MHz Direct Gated Input for PM 6675
- 1500MHz Prescaler for PM 6676
2. PERFORMANCE CHECK
3. ADJUSTMENTS
- Required test equipment
- DC Voltage
- Schmitt Trigger Balance
- Measuring Time
- Frequency Adjustment of The Standard
Oscillator
- PM 6674 Prescaler
4. SELF-TEST
5. TROUBLE-SHOOTING
6. REPLACING PARTS
7. CIRCUIT DIAGRAMS
8. SPARE PARTS LIST
9. OPTIONAL OSCILLATORS
Philips-6739-Manual-Page-1-Picture
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