Model 4342A
CHANGE 2
Section VII
Change 2 to Change3
Page 6-4, Table 6-2, Reference Designation Index
Change AlAlR8 to HP Part No. 0757-0438, R:FXD MET FLM 5.llkSZ 1% 1/8W.
Change AlAlR20 to HP Part No. 0757-0346, R:FXD MET FLM 10R 1% 1/8W, and
remove asterisk (*) from AlAlR20.
Delete AlAlR23.
Page 8-5, Figure 8-3, Oscillator Ass’y Al
Change value of AlAlR8 to 511051.
Change value of AlAlR20 to 1051, and remove asterisk (*) from AlAlR20.
Delete AlAlR23 from circuit.
CHANGE 3
Page 6-4, Table 6-2, Reference Designation Index
Delete AlAlL9.
Page 8-5, Figure 8-3, Oscillator Ass’y Al
Delete AlAL from circuit.
Page 6-7, Table 6-2, Reference Designation Index, Miscellaneous
Change HP Part No. of PLATE: TERMINAL to 04342-3221.
Page 6-11, Table 6-2, Reference Designation Index
Change A5C23 to HP Part No. 0180-0376, C:FXD TA 0.47yF 10% 35VDCW.
Delete A5R44 and R45.
Add A5Ll and L3 HP Part No. 9140-0179, COIL:FXD RF 22yH 10%.
Page 8-9, Figure 8-5, Impedance Converter,
RF Amplifier & Detector Ass’y A5
Change value of A5C23 to 0.47pF.
Replace A5R44 and R45 with A5Ll and L3, 22pH respectively.
CHANGE 4
Page 6-3, Table 6-2, Reference Designation Index
Change HP Part No. of AlAl to 04342-7701.
Change HP Part No. of AlAl BLANK PC BOARD to 04342-8701.
Page 8-3, Figure 8-2, Functional Overall Block Diagram
Change HP Part No. of AlAl Oscillator Board to 04342-7701.
Page 8-5, Figure 8-3, Oscillator Ass’y Al
Change HP Part No. of AlAl Oscillator Board Ass’y to 04342-7’701
Page 6-4, Table 6-2, Reference Designation Index, Miscellaneous
Change HP Part No. of PLATE:ANGLE to 04342-1074
Page 6-8, Table 6-2, Reference Designation Index, Miscellaneous
Delete ANGLE: SHIELD HP Part No. 04342-1048.
Add SHIELD HP Part No. 04342-1055 and ANGLE (2 REQ’D) HP Part No. 04342-1056.
Page 6-12, Table 6-2, Reference Designation Index
Change A6CR2 and CR3 to HP Part No. 1902-0041, SEMICON DEVICE:DIODE
BREAKDOWN 5.11V 5% 400mW.
Page 8-9, Figure 8-5, DC Amplifier Ass’y A6
Change values of A5CR2 and CR3 to 5.11V
7-3
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