Tektronix RSA3408B, Service Manual

Page: 119 / 250

Adjustment Procedures
RSA3408B Analyzer Service Manual
4- 29
Equipment
Required
One signal generator (Item 4)
Five 50
Ω
BNC coaxial cables (Item 9)
One 50
Ω
N-N coaxial cable (Item 10)
One GPIB cable (Item 11)
One RF attenuator (Item 13)
Prerequisites Refer to page 4--1
Warm up the analyzer for more than one hour to stabilize the
bandpass filter (YTF).
1. Prepare for the calibration: See the following figure for the hookup.
GPIB cable
50
Ω
N-N coaxial cable
Output
Signal generator
RSA3408B
10 dB attenuator
10 MHz reference (BNC cable)
I+ (BNC cable)
I-- (BNC cable)
Q+ (BNC cable)
Q-- (BNC cable)
a. Power off the RSA3408B analyzer and the signal generator.
b. Connect the analyzer and the generator with GPIB cable.
c. Connect the analyzer Input through a 10 dB attenuator followed by a 50
Ω
N-N coaxial cable to the generator output.
IF Flatness (Wide/IQ)
Calibration