HP (Hewlett-Packard) HP 8568B TV Converter Box User Manual


 
‘Ihble
3-3. Factory-Selected Components (continued)
Reference
Designator
A6A9AlR5
AGASAlRlC
A6A9AlR27
A6AlOR86
A6AlOR87
A6AlOR88
A6AlOR89
A6AlOR90
A6AlOR91
A6Al
lR2
ABAlBCl
A6A12C2
A6A12C3
A6A12Cll
A6A
12C23
A6A12R64
A7A2C8
A7A2L4
A7A2R3
A7A2R67
A7A2R68
A7A2R69
A8R6
AlOA3C26
AlOA4C49
AlOA4C49
AlOA4R29
AlOA4R33
Adjustment
Procedure
18
19
18
21
21
21
21
21
21
21
21
21
21
21
21
14
14
14
14
14
1
17
17
17
17
Range of Values
(0
or
PF)
23.7 to 180
909 to 1.21 K
Function of Component
Sets sampler drive level
Sets adjustment range of
A6A9AlRll
CAL
OUTPUT
56.2 K
Sets HET UNLOCK delay time constant for HP
85660B
(10 K = HP
85660A)
10 to 40 K Sets adjustment range of
A6AlOR21
GA
10 to 40 K
Sets adjustment range of
A6AlOR23
GB
10 to 40 K
Sets adjustment range of
A6AlOR25
GC
10 to 40 K
Sets adjustment range of
A6AlOR27
GD
10 to 40 K Sets adjustment range of
A6AlOR29
GE
10 to 40 K Sets adjustment range of
A6AlOR81
GF
100 K to 196 K Adjusts band A breakpoint for best flatness.
0.1 to 0.68
fiF
Sets YTX delay compensation.
0.1 to 0.68 PF
Sets YTX delay compensation.
OPEN
Not loaded for HP
85660B
0.1 to 0.68 PF
Sets YTX delay compensation.
0.1 to 0.68 PF
Sets YTX delay compensation.
13.356
K/15
K
Sets adjustment range of
A6A12R63
5.8
GHz
Open to 15 pF
0.22 to 0.68
PH
196 to 511
Open to 825
6.8 to 61.9
Sets tuning range of
A7A2C4.
Centers the adjustment range of
A7A2
around
100 MHz.
110 to 825
Sets biasing of
A7A2Q5
Sets -10 dBm output level of the 400 MHz
signal.
Sets -10 dBm output level of the 400 MHz
signal.
Sets -10 dBm output level of the 400 MHz
signal.
213 to 261
Sets adjustment range of
A8R2
+22 V
ADJ.
oto
15
10 to 15 pF
Selected to minimize mixer distortion.
Sets adjustment range of
AlOA4C50
160 MHz
PEAK
10 to 15 pF
Sets adjustment range of
AlOA4C50
160 MHz
PEAK
68.1 to 90.9
Sets output power to -20 dBm at AlOA4J2
68.1 to 90.9
Sets output power to -20 dBm at AlOA4J2
Adjustments 3-17