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Time Interval Average
Range
Minimum time from stop to start
Frequency counted
Time intervals averaged (N)
Time interval repetition rate
Resolution
Accuracy
Inputs
Display
f
Multiple Ratio (Ratio = -N)
Frequency range
Input A (higher frequency)
Input B (lower frequency)
Multiplier (N)
Accuracy
Display
Count A (totalizing)
Range
Pulse repetition rate
Pulse resolution
Count accumulation
Mode
Input
Display
:
fA
Scaling Cy )
Range
Frequency range
Input
Output
Display
Check
100 ps...10s
50 ns
100 MHz
1... 108 (in decade steps)
max. 10 MHz
10 ns
N
+1ns
+ time base accuracy +
—
VN
Channels A and B; can be common or separate
ns and us, decimal point automatically positioned
DC ... 160 MHz
DC ... 10 MHz
1... 107 (in decade steps)
trigger error * of fB
N
dimensionless, decimal point automatically positioned
+1 count of fA +
109
DC... 160 MHz
2.5 ns minimum pulse width
during only the first start/stop event or during repetitive start/stop
events
start/stop by manual gate control or Count A gated by channel B
channel A
Dimensionless
scaling factor selectable from 1... 10% (in decade steps)
DC... 10 MHz
channel A
same as time base output
Dimensionless
100 MHz counted during selected gate time. Functional test of logic circuits.
Display test
Functional test of all the decimal points, the measuring unit annunciators and the character segments.
Sub-unit
In the position "SUB-UNIT"
the PM 6650 is programmed
to accept sub-units such as the automatic microwave con-
verter, prescaler etc.
10 ns + trigger error **
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