|Hewlett Packard 8443A Counter|
|Description:||Tracking Generator Counter|
The Hewlett-Packard Model 844 3A Tracking Generator/Counter was designed to be used in conjunction with the Hewlett-Packard 8553/8552 Spectrum Analyzer. The Tracking Generator provides a cw signal which tracks the frequency tuning of the spectrum analyzer. As implied by the instrument name, the model 8443A also includes a counter section. The counter section may be used to count the output frequency of the tracking generator or the frequency of signals generated by external sources (up to better than 120 MHz). A rear panel connector provides BCD data output from the counter section for use in external equipment such as a recorder. The time base for the model 8443A counter section is a stable oven-contained, crystal-controlled 1 MHz oscillator. Provisions are made to use an external 1 MHz source for the time base if a frequency standard is available. An output from the internal 1 MHz source is also available for use in external equipment if desired.
These manuals are available for the above equipment:
|Hewlett Packard -- 8443A -- Service and User Manual|
|Manual Type:||Service and User Manual|
|Size:||28.49 Mbytes (29874323 Bytes)|
|Quality:||Scanned document, all readable.|
|Upload date:||01 December 2013|
|Downloads:||131 since 01 December 2013|
SERIAL NUMBERES PREFIXED: 955-, 964- This manual applies directly to HP Model 8443A Tracking Generator/Counter having serial prefix numbers 955- and 964-, OTHER PREFIXES See Section VII, MANUAL CHANGES. The various sections in this manual provide information as follows: a. SECTION II, INSTALLATION, provides information relative to incoming inspection, power requirements, mounting, packing and shipping, etc. b. SECTION III, OPERATION, provides information relative to operating the instrument. c. SECTION IV, PERFORMANCE TESTS, provides information required to ascertain that the instrument is performing in accordance with published specifications. d. SECTION V, ADJUSTMENTS, provides information required to properly adjust and align the instrument after repairs are made. e. SECTION VI, PARTS LISTS, provides ordering information for all replaceable parts and assemblies. f. SECTION VII, MANUAL CHANGES, normally will contain no relevant information in the original issue of a manual. This section is reserved to provide back-dated and up-dated information in manual revisions or reprints. g. SECTION VIII, SERVICE, includes all information required to service the instrument.
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