Tektronix 475A - Page 65

To find the pulse repetition rate, superimpose the
waveforms as above and set the FUNCTION switch to
1/TIME. The Readout and Scale Factor Lamps now
indicate the repetition rate.
TIME DURATION MEASUREMENTS
(DM44)
Set controls as follows:
FUNCTION TIME
HORIZ DISPLAY A INTEN
B SOURCE STARTS AFTER DELAY
A TIME/DIV To display a single
3 or 4 positions more
cw than A TIME/DIV | |
To move the time- a
measurement point to m eel pf |
the right of the ref- a u
erence point.
i 5
SUPERIMPOSE
VAR
TIME/DIV
Detent
position
KV
Sa
(B) BDLY'D DISPLAY Jasons
Use the DELAY TIME POSITION control to move the
reference point to a horizontal graticule line (see Fig. 30A,
Point A). Use the A TIME control to move the time- Fig. 30. Time duration and frequency measurements.
© a 475A/DM44 Operators 57