Equipment information

Hewlett Packard 83522A
Hewlett Packard
Model 83522A
Date 1980
Category: Measurement instruments
Description RF Plug-In
                                    The Model 83522A is an RF plug-in which has been designed
for use with the Model 8350A Sweep Oscillator. The Model
83522A covers the frequency range of 0.01 to 2.4 GHz. A YIG
oscillator is used as the tunable RF frequency source and a
fixed 3.8 GHz oscillator is mixed with the YIG oscillator to
generate a 0.01 to 2.4 GHz RF output.

Model 83522A front panel functional controls, pushbuttons,
and the Rotary Pulse Generator (RPG), are monitored by the
Model 8350A via the RF plug-in interface circuits. The Model
8350A generates a tuning voltage ramp according to the mode
of operation (CW, START/STOP, CF/AF). This voltage ramp is
scaled and offset by the Model 83522A to provide a voltage
ramp which is proportional to the YIG oscillator frequency
in the Model 83 522A. The Model 83522A then converts the
tuning ramp voltage to a current which drives the YIG
oscillator tuning coil.

The Model 83522A offers a maximum leveled RF output power of
+13 dBm. Internal (INT), External (EXT), and Power Meter
(MTR) leveling is available as selected by the front panel
pushbuttons. A front panel EXT/MTR ALC input connector and
gain control (CAL) are provided to use with an external
leveling loop. A front panel LED indicates when the RF
output becomes unleveled. The RF output level is controlled
by the Model 83522A RPG, the Model 8350A data entry controls
(keypad and step keys), or through HP-IB control via the
Model 8350A.

These manuals are available for the above equipment:

Hewlett Packard -- 83522A -- Service and User Manual
File name HewlettPackard-4952-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 289
Size 40.74 Mbytes (42719204 Bytes)
Language english
Manual-ID/Number 83522-90003
Date July 1981
Quality Scanned document, all readable.
Upload date
MD5 8f849d54bde6ded7b2946bc3bbc6b1d4
Downloads 223 since 01 December 2013
This manual applies directly to HP Model 83522A RF Plug-ins
having serial number prefix 2040A or 2127A.

For additional information about serial numbers, refer to

This manual is divided into eight major sections which
provide the following information:

description of the instrument, safety considerations,
specifications, supplemental characteristics, instrument
identification, options available, accessories available,
and a list of recommended test equipment.

b.	SECTION II, INSTALLATION, provides information for
initial inspection, preparation for use, storage, and shipment.

c.	SECTION III, OPERATION, explains the resolution
characteristics of the RF plug-in in CW and swept frequency
modes. Operating instructions include a front panel
FREQUENCY CALIBRATION procedure, FM switch parameter
settings, and crystal and power meter leveling instructions.
A description of front and rear panel features and plug-in
error codes is also given.

d.	SECTION IV, PERFORMANCE TESTS, presents procedures
required to verify that performance of the RF Plug-in is in
accordance with published specifications.

e.	SECTION V, ADJUSTMENTS, presents procedures required to
properly adjust and align the Model 83522A RF Plug-in after

f.	SECTION VI, REPLACEABLE PARTS, provides information
required to order all parts and assemblies.
backdating information required to make this manual
compatible with earlier shipment configurations.

h.	SECTION VIII, SERVICE, provides an overall instrument
block diagram with troubleshooting and repair procedures.
Each assembly within the instrument is covered on a separate
Service Sheet which contains a circuit description,
schematic diagram, component location diagram, and
troubleshooting information to aid in the proper maintenance
of the instrument.
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