Equipment information:

TMC Technical Materiel Corporation PAL-500 Amplifier
Manufacturer:
TMC Technical Materiel Corporation
Model: PAL-500
Date: 1966
Category: Radio, Communication
Group: Amplifier
Description: MF/HF Linear Power Amplifier
Information:
                                    1-1 PURPOSE

The Model PAL-500, Power Amplifier, Linear, is a
conservatively rated general purpose amplifier which
provides 500 watts PEP output over the frequency range of 2
to 32 megacycles.

1-2 PHYSICAL DESCRIPTION

The Model PAL-500 is composed of two small and compact
units; the Linear Power Amplifier, Model RFE-1 (5!4 inch
panel) and the Power Supply, Model PSP-500 (8¾ inch panel).
The entire unit occupies only 14 inches of panel space for
standard rack mounting which makes it ideal for console,
table top, mobile, and shipboard installations.

1-3 FUNCTIONAL DESCRIPTION

The combination of the TMC Model SBE, Mode Selector,
Transmitting, and the PAL-500 provides a compact
transmitting system capable of producing,
single, double or independent sideband signals with any
degree of carrier insertion.

The PAL-500 has been carefully designed with no compromise
in workmanship or component quality. A pair of 4CX350A Beam
Power Amplifier tubes in parallel with a pi network provide
unbalanced output from 50 to better than 600 ohms.
Particular attention has been given to the suppression of
distortion products, amplifier stability, power supply hum
content and dynamic impedance. Full interlock, overload and
fuse protection have been provided for the safety of the
operating personnel and protection of the equipment. A
filtered forced air blower system is included as an integral
part of the equipment. An effective ALDC (Automatic Load and
Drive Control) system has been included to limit the
distortion produced when high drive peaks occur.

These manuals are available for the above equipment:

TMC Technical Materiel Corporation -- PAL-500 -- Service and User Manual
File name: TMC-6114-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 60
Size: 6.60 Mbytes (6918364 Bytes)
Language: english
Revision:
Manual-ID/Number: 003662037
Date: May 1966
Quality: Scanned document, all readable.
Upload date:
MD5: cb15a3f7d3a7eed011e1df56f218abcd
ed2kID: 165d599a0b872df73b8c741fb4807c9d
Downloads: 142 since 11 June 2014
Information:
SECTION 1—GENERAL INFORMATION

Paragraph	Page

1-1 Purpose	1-1

1-2 Physical Description	1-1

1-3 Functional Description	1-1

1-4	Technical Specifications	1-1

SECTION 2—INSTALLATION

Paragraph	Page

2-1	Unpacking and Handling
........................................2-1

2-2 Power Requirement
........................................................2-1

2-3	Equipment Location	2-1

SECTION 3—OPERATOR’S SECTION

Paragraph	Page

3-1	Controls and Indicators	3-1

3-2 Initial Set Up
............................................................................3-4

3-3 Tuning Procedure
................................................................3-4

3-4	Operator's Maintenance	3-6

SECTION 4— PRINCIPLES OF OPERATION

Paragraph	Page

4-1	Linear Power Amplifier Model RFE-1	4-1

4-2 Power Supply Model PSP-500	4-2
SECTION 5—MAINTENANCE
Paragraph	Page

5-1 General	5-1

5-2 Preventive Maintenance	5-1

5-3 Corrective Maintenance	5-1

5-4 Neutralization
............................................................................5-3
SECTION 6—PARTS LIST

Paragraph	Page

6-1 Parts List Model PSP-500	6-1

6-2 Parts List Model RFE-1	6-4

6-3 Parts List Miscellaneous	6-14
SECTION 7—SCHEMATIC DIAGRAMS

Figure	Page

7-1 Schematic Diagram RFE-1	7-1

7-2 Schematic Diagram RFE-1

(Working Copy)
............................................................7-2

7-3 Schematic Diagram PSP-500	7-3

7-4 Schematic Diagram PSP-500

(Working Copy) 
TMC-6114-Manual-Page-1-Picture
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