Tektronix 2246 User Manual

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MEASUREMENT
TRACKING
CURSOR
+ PEAK VOLTAGE
(PEAK AC + DC OFFSET)
GROUND
TRACKING
CURSOR
6083-21
Figure 6-7. +PEAK voltage measurement and tracking
cursors.
NOTE
Only a choice of two of the possible three available
selections may be displayed (on a priority basis).
TRACK MEASMT has the highest priority, followed
by TRACK TRIG LVL and TRACK gnd in that order.
Also the TRACK TRIG LVL and TRACK gnd cursors
may only be displayed on the Trigger SOURCE sig-
nal. The TRACK MEASMT cursor may be directed
to either CH 1 or CH 2 input signal without regard as
to what the trigger signal SOURCE is.
2. Adjust the B INTEN and A INTEN controls to pro-
vide a good viewing contrast of the intensified zone that
appears on the A Sweep trace.
NOTE
IF the zone does not appear, it may be positioned
out of the viewing area (but not past the end of the
A Sweep trace). Turn the I- OR DELAY control
counterclockwise to move the gate zone closer to
the beginning of sweep.
l 3. Use the - OR DELAY control to position the
intensified zone to the area of interest on the waveform to
be tracked. (See Figure 6-8.)
REV APR 1987
Measurement Processes and Applications-— 2246 Operators
4. The width of the gated zone is controlled by the -i
OR A control. Adjust the width to define the gated mea-
surement zone.
5. The voltage value that appears in the readout is the
-+ PEAK voltage that occurs within the zone.
CURSOR MEASUREMENTS
Time and voltage measurements may be made using
cursors to identify the measurement points on the
waveform. Time measurement cursors may be used on
any of the input waveforms only in the A Horizontal
MODE. The units of the time cursors may be selected to
provide some automatic calculations for the user. The
units of the l- SEC -I cursors are time (s, ms, us, and ns),
the I- 1/SEC -| cursors have units of frequency (Hz, kHz,
and MHz), and the l- PHASE -i cursor units are in degrees
and scaled to a 360 degree reference set by the user. The
time cursors that appear in the CURSORS measurement
mode and the time cursors that appear in the ATIME
measurement mode in the A Horizontal MODE are exactly
the same.
Voltage cursors are attached to a measurement chan-
nel (either CH 1 or CH 2) to obtain their scaling. Voltage
measurements using cursors may be done on the CH 3,
the CH 4, or the ADD waveform by setting the VOLTS/DIV ~
setting of the selected measurement channel to the same
scale factor as the signal to be measured. However, the
GATED + PEAK VOLTAGE
ZONE IN GATED ZONE
[rt ooreo erfor pagu |
Figure 6-8. Gated voltage measurement.

Tektronix 2246 Specifications

General

Brand	Tektronix
Model	2246
Category	Test Equipment
Language	English