Equipment information:

Hewlett Packard 8656A Generator
Hewlett Packard
Model: 8656A
Date: 1981
Category: Measurement instruments
Group: Generator
Description: Signal Generator
                                    The Hewlett-Packard Model 8656A is a synthesized signal
generator with a carrier frequency range of 100 kHz to 990
MHz. Its output amplitude is leveled and calibrated from +13
to -127 dBm. AM and/or FM functions can be individually
selected. The carrier frequency, output amplitude, and
modulation functions can be remotely programmed via the
Hewlett-Packard Interface Bus. The unique modular design and
incorporated service features permit rapid and easy
calibration and service.

These manuals are available for the above equipment:

Hewlett Packard -- 8656A -- Service and User Manual
File name: HewlettPackard-4915-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 557
Size: 41.40 Mbytes (43413053 Bytes)
Language: english
Manual-ID/Number: 08656-90107
Date: May 1981
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
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Downloads: 179 since 24 November 2013
This manual applies directly to instruments with serial
numbers prefixed 2035A.

With changes described in Section VII, this manual also
applies to instruments with serial numbers prefixed 2032A,
2027A, 2026A, 2025A, 2024A, 2023A, 2022A, 2018A, 2014A, and

For additional important information about serial numbers,

This section of the manual describes the instruments
documented by this manual and covers instrument description,
options, accessories, specifications, and other basic
information. The other sections contain the following

Section II, Installation: provides information about initial
inspection, preparation for use (including time base
selection and HP-IB address selection for remote operation),
and storage and shipment.

Section III, Operation: provides information about panel
features and includes operator’s checks, operating
instructions for both local and remote operation, and
operator’s maintenance information.

Section IV, Performance Tests: provides the information
required to check performance of the instrument against the
critical specifications listed in Table 1-1.

Section V, Adjustments: provides the information required to
properly adjust the instrument.

Section VI, Replaceable Parts: provides ordering information
for all replaceable parts and assemblies.

Section VII, Manual Changes: with the backdating
information, this manual applies to all instruments as
indicated on the title page.

Section VIII, Service: provides the information required to
repair the instrument.
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