Tektronix - AM 502 - Amplifier
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Tektronix AM 502
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Equipment:
AM 502
Date:
1973
Category:
Group:
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Information
The AM 502 is a DC-coupled differential Amplifier with
excellent common-mode rejection capabilities and high gain
for low-voltage measurements. The DC OFFSET capability
permits nulling up to one volt DC, so that low level, low
frequency signals impressed on a DC level can be amplified
without the degradation often introduced by AC input coupling.
High and low frequency —3 dB points can be selected at the
front panel to suit the application. Signal inputs and
outputs are available at the rear connector as well as at
the front panel. A front-panel lamp indicates most
over-range conditions of excessive input signal (either
differential or common mode), excessive gain, or excessive
offset.
2 Manuals
Service and user manual
Manual type:
Service and user manual
Pages:
64
Size:
49.8 MB
Language:
english
Revision:
Revised
Manual-ID:
070-1582-01
Date:
Quality:
Scanned document, all readable.
Upload date:
May 25, 2014
MD5:
da710119-f6d1-a774-2767-d26e466f9a28
Downloads:
1220
Download
tektronix--am-502--service-user--ID6071.pdf
Service and user manual
Manual type:
Service and user manual
Pages:
40
Size:
2.9 MB
Language:
english
Revision:
Manual-ID:
070-1582-00
Date:
May 1973
Quality:
Scanned document, all readable.
Upload date:
Dec. 28, 2017
MD5:
e1571471-cf36-465b-7d4a-78511f121af4
Information
SECTION 1 OPERATING INSTRUCTIONS Page
Introduction 1-1
Instrument Description 1-1
Installation and Removal 1-1
Instrument Operation 1-2
Input Connections 1-2 Probe 1-2
High Impedance Input 1-2
Input Overloading 1-2
Output Connections 1-2
Step Gain DC Balance 1-2
DC Offset Coarse and Fine 1-2
HF and LF Bandwidth Reduction 1-2
Pre-Charging 1-2
Functions Available at Rear
Connector 1-3
Measurement Techniques 1-3
Single-Ended vs. Differential
Measurements 1-3
Common Mode Rejection Ratio 1-4
Degradation of CMRR 1-5
Specifications 1-6
SECTION 2 THEORY OF OPERATION
Introduction 2-1
Input Coupling 2-1
Input Overdrive Protection 2-1
Gate Current Compensation 2-1
Preamp 2-1
SECTION 2 THEORY OF OPERATION (cont) Page
DC Offset 2-1
Input Cross Neutralization 2-1
High Frequency Common-Mode
Balance 2-3
Preamp Output Stage 2-3
LF -3 dB POINT Selector 2-3
Gain Switching Amplifier 2-3
HF -3 dB POINT Selector 2-3
Variable Gain Stage 2-3
Output Amplifier 2-3
Overrange Indicator 2-4
Power Supplies 2-4
SECTION 3 SERVICE INFORMATION
Symbols and Reference Designators 3-1
Electrical Parts List 3-2
Internal Adjustment Procedure
Parts Location Grid
Front Panel Controls and Block Diagram
Preamplifier Schematic Output Amplifier chematic Switch
Details Schematic Power Supplies Schematic Mechanical Parts
List Exploded View Accessories and Repackaging
Downloads:
861
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tektronix--am-502--service-user--ID10002.pdf