Equipment information

Hewlett Packard 5254B Other
Hewlett Packard
Model: 5254B
Date: 1964
Category: Measurement instruments
Group: Other
Description: Frequency Converter
                                    The Hewlett-Packard Model 5254C Frequency Converter is a
plug-in unit which extends the frequency measuring
capability of an HP Electronic Counter from . 15 to 3. 0 GHz
(150 MHz to 3000 MHz).

The stability and accuracy of the basic counter are retained
by multiplying a 10-MHz signal, derived from the 1-MHz
internal tizne base of the counter, to 50 MHz and selecting
a harmonic frequency between 200 and 2950 MHz. This known
harmonic of 50 MHz is then heterodyned with the INPUT
signal. The resulting difference frequency, if between 1 MHz
and 53 MHz (bandwidth of amplifier in plug-in) is counted
and displayed by the counter. The frequency of the INPUT
signal is then indicated by the combination of the MIXING
FREQUENCY control (in gigahertz; front panel of plug-in) and
the digital display of the counter (in megahertz).

These manuals are available for the above equipment:

Hewlett Packard -- 5254B -- Service and User Manual
File name: HewlettPackard-4903-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 69
Size: 5.68 Mbytes (5953791 Bytes)
Language: english
Manual-ID/Number: 05254-9019
Date: September 1971
Quality: Scanned document, all readable.
Upload date:
MD5: faed40721db42032de7680b6b4d97873
Downloads: 165 since 24 November 2013
This manual applies directly to HP Model 5254C Frequency
Converter having serial prefix number 1124A.

MODELS 5254A & 5245B
This manual with information provided in Section VII also
applies to Model 5254B Frequency Converter having serial
prefix number 952-, 712-, 514-, 429-, and 415.
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