Quick Start
R&S
®
ESR
109
User Manual 1175.7068.02 ─ 12
a) Press the [MEAS] key.
b) Press the "All Functions Off" softkey.
2. Increase the time resolution to 100 µs.
a) Press the [SWEEP] key.
b) Press the "Sweeptime Manual" softkey and enter
100 µs
.
3. Using the trigger softkey, shift the rising edge of the GSM burst to the center of the
screen.
a) Press the [TRIG] key.
b) Press the "Trigger Offset" softkey.
c) By turning the rotary knob counterclockwise, move the trigger offset until the
burst edge can be seen in the center of the screen, or enter
-50 µs
.
The R&S
ESR displays the rising edge of the GSM burst.
Figure 3-16: Rising edge of the GSM burst displayed with high time resolution
4. Using the trigger offset, move the falling edge of the burst to the center of the
screen. To do so, switch the "Trg/Gate Polarity" softkey to "Neg".
The R&S
ESR displays the falling edge of the GSM burst.
Basic Measurement Examples
