Philips PM 6675 Frequency counter
Manufacturer:
Model:
PM 6675
Date:
1982
Category:
Group:
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.

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Service Manual
Manual type:
Service Manual
Pages:
80
Size:
3.10 Mbytes (3255315 Bytes)
Language:
english
Revision:
First edition
Manual ID:
9499 465 00111
Date:
15 May 1982
Quality:
Scanned document, all readable.
Upload date:
19 May 2015
MD5:
298780e526a0f0fbb886cca630074d69
Downloads:
1230

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

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User Manual
Manual type:
User Manual
Pages:
16
Size:
2.71 Mbytes (2839262 Bytes)
Language:
english
Revision:
Third edition
Manual ID:
9499 460 10901
Date:
01 September 1986
Quality:
Scanned document, all readable.
Upload date:
18 May 2015
MD5:
544ac4c8b98ade654bb43450a6d32768
Downloads:
1343

Information

1. Technical specification ... . 7 3. Operating instructions ... 8 Front panel controls ... 8 Rear panel controls ... 9 Theory of measurements.. 10 Practical measurements ... 14

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