FUNCTION AND RANGE
HINTS AND COMMENTS
Reciprocal frequency measurement of the signal at Input-C.
Range:
70 to 1300 MHz (PM 9608B)
The cursor does not stop at FREQ C if no Input-C HF-input
is installed.
When you select SINGLE, the Timer/Counter measures one
period, the range is: 100 ns to 200 000 000 s (about 6
years and four months!).
When you select 0.2, 1, and 10 s Measuring-time, the
Timer/Counter divides the input frequency by 10 and meas-
ures the average period for the No. of cycles in that time.
Range:
8 ns to 1 s.
Use SINGLE when the input frequency is low. This
shortens the measuring time considerably since one cycle
is measured instead of 10.
The number of pulses at Input-A and the number of pulses
at Input-B are fed into one register each. When the set
Measuring-time has elapsed, register A is divided by regis-
ter B.
Range:
1*10
–7
to 1.2*10
9
The signal with the lowest frequency must always be
connected to Input-B.
The Timer/Counter measures the time between a positive
slope on Input-A and a positive slope on Input-B (default).
Range:
100 ns to 2*10
8
s (SINGLE)
0 ns to 20 s (average, the signal must be asynchronus
with the time base)
Use the SLOPE buttons if you wish to measure between
any other combination of slopes.
The Timer/Counter counts the total number of pulses fed to
Input-A. The positive slope of the Input-B signal starts the
totalizing, and the negative slope stops it. This is always a
SINGLE measurement.
Range:
0 to 1*10
15
pulses.
k on the display indicates kilo-pulses (1000) and M
indicates Mega-pulses (1 000 000).
Use the Input-B SLOPE button if you wish to measure
during a negative pulse on Input-B
The Timer/Counter counts the total number of pulses fed to
Input-A. The positive slope of the first pulse on Input-B
starts the totalizing, and the positive slope of the next pulse
stops it. This is always a SINGLE measurement.
Range:
0 to 1*10
15
pulses.
k on the display indicates kilo-pulses (1000) and M
indicates Mega-pulses (1 000 000).
Use the Input-B SLOPE button if you wish to measure
between two consecutive negative pulses on Input-B.
The Timer/Counter counts the total number of pulses fed to
Input-A. You start and stop the totalizing with the TOTAL-
IZE START/STOP button (RESET/LOCAL). If you keep this
button depressed for more than one second, the total sum
will be reset.
Range:
0 to 1*10
15
pulses
k on the display indicates kilo-pulses (1000) and M
indicates Mega-pulses(1 000 000).
The Measuring-time indicator is switched off in TOT A MAN.
OPERATING INSTRUCTIONS
Page: 13
PM 6666 - OPERATORS MANUAL
