Section V
TM 11-6625-2781-14&P-2
Table 5-4. Check and Adjustment Test Record
Hewlett-Packard Model 8553B
Test Performed by
Spectrum Analyzer RF Section
Serial No.
-
Date
Para.
Test Description
Measurement
Min
Actual
Max
No.
Units
First Local Oscillator Adjustment
First LO upper limit: 310 10 MHz
MHz
309
311
First LO
Dial
Limit
0.3 div
5
205
divisions
-0.3
+0.3
0.3 div
15
215
divisions
-0.3
+0.3
0.3 div
25
225
divisions
-0.3
+0.3
0.3 div
35
235
divisions
-0.3
+0.3
0.3 div
45
245
divisions
-0.3
+0.3
0.3 div
55
255
divisions
-0.3
+0.3
0.3 div
65
265
divisions
-0.3
+0.3
0.3 div
75
275
divisions
-0.3
+0.3
0.3 div
85
295
divisions
-0.3
+0.3
0.3 div
95
295
divisions
-0.3
+0.3
0.3 div
105
305
divisions
-0.3
+0.3
Tuning Range Adjustment
Comb signals align within 1 MHz
divisions
-5
+5
Display centered at 90 MHz within 1 MHz
divisions
-5
+5
Marker accuracy 400 kHz
divisions
-4
+4
200 MHz IF Bandpass Adjustment
Upper passband: 50 dB down, 30 MHz
above center
dB
-50
Flatness: 9.4 div. over 2 horizontal div.
divisions
-0.4
+0.4
150 MHz Oscillator Adjustment
Frequency: 150 MHz .10 kHz
MHz
149.990
150.010
Amplitude: 150-250 mV rms
mV rms
150
250
120 MHz Low Pass Filter Check and Adjustment
Flatness: 30-100 MHz
divisions
5.5
6.5
Roll-off: 110-125 MHz
divisions
1
5-25
