Tektronix 2715 1 dB Compression Point

Performance Verification
4-20 2715 Spectrum Analyzer Service Manual
Performance requirement is ≥--15 dBm.
HTest equipmentrequired:
2 Signal Generators
Combiner
3 SMA Male to BNC Female Adapters for Combiner
1. Recall default power up settings by pressing UTIL 1 1.
2. Connect the test equipment as shown in Figure 4--3.
RF Output
SignalG enerator Signal Generator 2715 Spectrum Analyzer
200MHz
202.5MHz
DirectionalCoupler
RF Output
*Usemin-loss pad for
75Ωinput
*
Figure 4- 3: 1 dB Compression Point TestSetup
3. Select the following settings on the Spectrum Analyzer:
FREQUENCY 200 MHz
REFERENCE LEVEL --30 dB m
SPAN/DIV 10 kHz
RESOLUTION BW 30 kHz
VID FLTR On
VERTICAL SCALE 1 dB/
4. Enable PEAK ACQUISITION mode by pressing DSPL 4.
5. Set one signal generator’scontrols for a full screen, 200 MHz signal.
6. Set the second signal generator’scontrols for a full screen, 202.5 MHz
signal.
7. Increase the output amplitude of the second signal generatoruntil the
200 MHz signal on the CRT drops1 dB .
8. Check that the second signal generatoroutput is ≥--15 dBm.
9. Disconnect the test equipment fromthe RF INPUT.
1 dB Compression Point