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Pages 8
-
129 through 8-141/8-142: BANDWIDTH
FILTER
w0.
1
ASSEUBLY
A11
Table
8-8: Bandwidth Filter No.
1
Assembly All, Replaceable Parts
1909A
&
Below Change A1 1 to HP Part Number 08559
-
60057, Check Digit 9,
BANDWIDTH
FILTER
NO.
1.
Add
A11C3,
HP
Part Number 0160-2236, Check Digit 8, CAPACITOR
-
FXD
1PF +-.25PF 500VDC
CER.
Change A11C16*, A11C20*, A11C43*, and AllC64* to
HP
Part Number
01
60-01 34, Check Digit 1, CAPACITOR
-
FXD 220PF +
-
5% 300VDC
MICA.
Change A11C14 and AllC37 to HP Part Number 0160
-
2250, Check Digit
6, CAPACITOR
-
FXD 5.1PF +-.25PF 5OOVDC
CER.
Change A11C21 and A11C44 to
HP
Part Number 0160
-
3431, Check Digit
7, CAPACITOR
-
FXD 6.8PF
+
-
.
5PF 500VDC
CER.
Change A11R23* and A11R48* to
HP
Part Number 0757-0441, Check
Digit 8, RESISTOR
8.25K 1% .125W F TC=O+-100.
Delete A11R24 and A11R25.
Change A11R18 and AllR41 to HP Part Number 0757-0279, Check Digit
0, RESISTOR 3.16K 1% .125W F TC=O+-100.
Change A11R28 and A11R52 to
HP
Part Number 0757
-
0290, Check Digit
5, RESISTOR
6.19K 1% .125W F TC=O+-100.
Figure 8
-
55. Bandwidth Filter
No.
1
Assembly All, Component Locations
1909A
&
Below Delete R25.
Change R24 to
W1.
Add C3 below R5.
Figure 836. Bandwidth Filter
No.
1
Assembly All, Schematic Magrm
1909A
&
Below Change All to
HP
Part Number 08559
-
60057.
In function block
(B), add
a
capacitor, C3, 1.0 PF, in parallel
with R5.
Replace function block
(C) with P/O Figure 8
-
56 (SERIAL PREFIX
1909A) included in this Manual Backdating supplement.
Make the following changes in function block
(D):
Change C14 to 5.1 PF.
Change
R23* to 14.7K.
Change R18 to 3160.
Make the following changes in function block
(F):
Change C43* to 220 PF.
Change C44 to 6.8 PF.
Change C64* to 220 PF.
Change R52 to
61 90.
Make the following changes in function block
(G):
Change C37 to 5.1 PF.
Change
R48* to 14.7K.
Change R41 to 3160.