Tektronix RSA3300A, Service Manual

Page: 137 / 284

Adjustment Procedures
RSA3303A & RSA3308A Service Manual
5- 27
5. Perform the calibration in the RF2 and RF3 bands:
Press the
RF2+RF3
side key to run the calibration.
6.
Disconnect the test equipment:
a. Disconnect the N-N cable from the analyzer input.
b. Turn off the analyzer and generators.
c. Disconnect the GPIB cables from the generators.
Equipment
Required
One waveform generator (Item 4)
One 50
Ω
BNC coaxial cable (Item 8)
GPIB cable (Item 10)
Two 50
Ω
terminators (Item 11)
Prerequisites Refer to page 5--1
1. Prepare for the calibration: See the following figure for the hookup.
Waveform generator
CH1 to
I+ INPUT
CH2 to
Q+ INPUT
GPIB cable
50
Ω
terminators to
I-- and Q-- INPUTs
50
Ω
BNC
coaxial cables
RSA3303A/RSA3308A (rear)
a. Power off the RSA3303A/RSA3308A analyzer and the waveform
generator.
b. Connect the analyzer and the generator with a GPIB cable.
c. Connect CH1 and CH2 of the generator through 50
Ω
BNC coaxial
cables to I+ INPUT and Q+ INPUT on the rear panel of the analyzer,
respectively.
d. Connect 50 Ω terminators to I-- INPUT and Q-- INPUT on the rear panel
of the analyzer.
e. Power on the analyzer and the generator.
f. Set the GPIB address of the generator, ranging from 1 to 30.
IQ Gain Calibration
(Option 03 Only)