Fluke 900 User Manual

Page 42

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FLUKE 900 SERVICE MANUAL

INVERT FAIL

PRE-SCALER

0 DELAY-

INF. DUR. -

DGATE ACT -

DGATE CLR-

Note:

Could not invert gate signal.

A division factor other than one in BYTE 1 failed.

The test for bypassing the delayed gate circuit failed

The test for infinite duration failed (Duration prematurely terminated.

The dgate activity latch failed to register activity.

The dgate activity latch was not cleared by TESTSTR.

While this test is running in "looping" mode, the expected values and the measured
results are displayed continuously on-screen in the following format (NOTE: Tbe

NEXT key advances to the next part of the test):

For Example:

Expected
Minimum

140.00 n

Measured

Value

160.00 n

Expected
Maximum

180.00 n

Sequence of results during test:

Message #

Minimum

Measured

Maximum

Circuitry Tested

24.950 M

25.000 M

25.050 M

Prescaler - divide by 1

12.450 M

12.500 M

12.550 M

Prescaler - divide by 2

8.2833 M

8.3333 M

8.3833 M

Prescaler - divide by 3

6.2000 M

6.2500 M

6.3000 M

Prescaler - divide by 4

4.9500 M

5.0000 M

5.0500 M

Prescaler - divide by 5

4.1167 M

4.1667 M

4.2167 M

Prescaler - divide by 6

3.5214 M

3.5714 M

3.6214 M

Prescaler - divide by 7

3.0750 M

3.1250 M

3.1750 M

Prescaler - divide by 8

2.7278 M

2.7778 M

2.8278 M

Prescaler - divide by 9

#10

2.4500 M

2.5000 M

2.5500 M

Prescaler - divide by 10

#11

2.2227 M

2.2727 M

2.3227 M

Prescaler - divide by 11

#12

2.0333 M

2.0833 M

2.1333 M

Prescaler - divide by 12

#13

1.8731 M

1.9231 M

1.9731 M

Prescaler - divide by 13

#14

1.7357 M

1.7857 M

1.8357 M

Prescaler - divide by 14

#15

1.6167 M

1.6667 M

1.7167 M

Prescaler - divide by 15

3 - 1 8