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6-10. GENERAL USAGE PARTS
6-11.
The following list gives the prefixes for HP manufactured parts used in several instruments, e.g.,
side frames, feet, top and bottom covers, etc. These are eight-digit part numbers with the four-
digit prefix identifying the type of parts as shown below:
6-12. Specific Instrument Parts
6-13.
These are HP manufactured parts for use in individual instruments or series of instruments. For
these parts, the prefix indicates the instrument and the suffix indicates the type of part. For
example, 05328-60001 is an assembly used in the 5328A. Following is a list of suffixes commonly
used.
6-14. Factory Selected Parts
6-15.
Some of the values in the parts list are selected during manufacture to meet circuit requirements.
These parts are marked with an asterisk (*) in the parts list and schematic diagrams, with average
values shown.
6-16.
The 10811A/B Oscillator contains only one factory selected part which is R20 OVEN
TEMPERATURE SET resistor. This resistor is supplied with the crystal, should the crystal require
replacement.
Table 8-1
6-20. REPLACEABLE PARTS LIST LAYOUT
6-21.
The 10811A and 10811 B Oscillators are identical internally, except that the 10811 B has had the
15-pin pc edge connector removed and a 7-pin connector (11) placed on the board for the 10811
B bottom cover flex circuit (see
Thus the parts lists for the circuit boards are identical. The parts lists are set up in the following
manner:
1.
10811A and 10811B Circuit Board Components and Miscellaneous Parts.
2.
10811A and 10811B Transistor Mounting Hardware.
3.
10811A and 10811B Oven Mass Assembly and covers.
4.
10811A Mechanical Parts (Housing).
5.
10811B Mechanical Parts (Housing).
Type of Part
P/N Suffix
Sheet Metal
5000- to 5019-
Machined
5020- to 5039-
Molded
5040- to 5059-
Assembly
5060- to 5079
Component
5080- to 5099
Type of Part
P/N Suffix
Sheet Metal
-00000 to -00499
Machined
-20000 to -20499
Molded
-40000 to -40499
Assembly
-60000 to -60499
Component
-80000 to -80299
Documentation
-90000 to -90249
lists the various resistors and their corresponding part numbers.
Figure
8-15). The only other difference is the outer housings.
Model 10811A/B
31
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