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Electronic Navigation Industries 420LA Amplifier
Manufacturer:
Model:
420LA
Date:
unknown
Class:
Type:
SubType:
BROADBAND POWER AMPLIFIER

Information

The Model 420LA is a general purpose broadband Amplifier capable of more than 20 watts of linear power output when driven by any laboratory signal or sweep generator from .15 to 300 MHz. An ultra linear Class A design, the 42ÖLA will “boost" the output of any signal source by a fiat 45 dB (± 1.5 dB) and provide its full forward output power into any load impedance (from an open to a short circuit), its output is a faithful reproduction of the input waveform for AM, FM. SSB, CATV, pulse and other complex modulations. Although specified only over the .15 to 300 MHz frequency range, full power output is typically available from .12 to 310 MHz. The microwave transistors on thin film substrates, microstrip circuitry, and plug-in modules make the 420LA both reliable and easy to service. An integral Power Supply and coohng system permit operation over a wide range of temperature and AC line conditions.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
23
Size:
962.95 Kbytes (986059 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2016 01 25
MD5:
775a5f5609d2469ddb3c4bc2e72b09e2
Downloads:
403

Information

CHAPTER 1 GENERAL INFORMATION l.! introduction ... 1 1.2 Data Summary ... I CHAPTER 2 OPERATION 2.1 Introdaction ... . ... 3 2.2 Rack Installation ... ... 3 2-2.1 Mains Voltage Setting . , ... 3 2.2.2 Mains Fuse Rating ... 3 2.2.3 Mains Lead Connection ... 4 2.3 Operation ... , ... 4 CHAPTER 3 TECHNICAL DESCRIPTION 3. ΐ General Description ... ... . . . 5 CHAPTER 4 MAINTENANCE H 4. i introduction ... 6 4.2 Access and Layout ... ,6 4.3 Performance Checks ... 7 4.3.1 Initial Check ... < ... 7 4.4 Re-alignment Procedure ... 8 4.4.1 Measurement of Gain ... 8 4.4.2 Measurement of Harmonics ... 9 4.5 Packaging for Reshipment . ... 10 CHAPTER 5 SCHEMATIC AND PARTS LIST ο. 1 Schematic Diagram ... 11 5.2 Parts List ... 11 5.3 List of Manufacturers ... 11 5.4 Ordering Replacement Parts ... Π

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