R&S FSH
Two-port measurements with the tracking generator
1145.5973.12 4.85
E-14
Confirm your selection with the ENTER key or the
TG ATT softkey.
Setting the tracking generator step attenuator:
(Only model 1145.5850.26 with serial number 100500 or later; or model 1145.5850.23 with serial
number 102314 or later, or model 1145.5850.60 with option B9).
To measure active DUTs with high gain, you can reduce the output level of the tracking generator by up
to 20 dB in 1 dB steps by using the adjustable step attenuator.
Press the TG ATT softkey in the TRACKING GEN
menu.
The R&S FSH will open the entry field for setting the
attenuation.
Enter the attenuation value you want by using the
rotary knob, the cursor keys, or the numeric keys.
Confirm the selection by pressing the ENTER key or
the TG ATT softkey.
Measuring the transmission of two-ports
To perform a transmission measurement, connect the input of the DUT to the generator output and the
DUT’s output to the RF input of the R&S FSH. The R&S FSH measures the magnitude of the DUT’s
transmission. The operating sequence is explained below using a transmission measurement on a
SAW filter with a center frequency of 380 MHz and a bandwidth of approx. 4 MHz as an example. The
measurement example starts with the R&S FSH in its default setting.
Setting the frequency range:
Press the PRESET key.
Press the MEAS key.
Press the MEASURE softkey.
Using the rotary knob or the cursor keys in the MEASUREMENT menu, select the TRACKING GEN
menu item and confirm the selection with the ENTER key or the MEASURE softkey.
The R&S FSH displays the tracking generator menu. As calibration has not been performed, Track Gen
Uncal is displayed in the upper right-hand corner of the measurement diagram.
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Tel:0755-83589391
Fax:0755-83539691
Website: www.Sengt.com
