Equipment - Agilent Technologies 8564EC Service Manual

Equipment

AM/FM signal generator ................................................... 8640B
Oscilloscope ...................................................................... 54501A
Adapters
Type N (m) to BNC (f) (2 required) ............................ 1250-1476
Type N (f) to 2.4 mm (f) ................................................... 11903B
Cables
BNC, 122 cm (48 in) ........................................................ 10503A
Oscilloscope probe ........................................................... 10432A
Procedure
1. Press to turn the spectrum analyzer off. Place the spectrum
LINE
analyzer in the service position as illustrated in
142.
2. Connect the oscilloscope probe from the oscilloscope channel 1 input
to probe A4C723 (the end closest to A4U707) as in
page 144. Press
LINE
8640B RF OUTPUT to the spectrum analyzer INPUT 50Ω .
3. Set the 8640B controls as follows:
Range MHz .............................................................. 61 to 128
Frequency ............................................................ 100.000 MHz
Output level ......................................................................−10dBm
RF ....................................................................................... ON
AM .................................................................................... OFF
FM .................................................................................... INT
Modulation frequency ............................................... 1000 Hz
Peak deviation .............................................................. 5 kHz
Scale FM ......................................................................(k/MHz)
4. Adjust the 8640B FM deviation vernier for a full-scale reading on
the meter. Set the FM to off.
Chapter 3
to turn the spectrum analyzer on. Connect the
Manual Adjustment Procedures
9 . Demodulator Adjustment
Figure 3-18 on page
Figure 3-19 on
143