Electronic Navigation Industries 420LA Verstärker
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Modell:
420LA
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0
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Beschreibung:
BROADBAND POWER AMPLIFIER

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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- und Bedienungsanleitung
Dokumenttyp:
Service- und Bedienungsanleitung
Seiten:
23
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962.95 Kbytes (986059 Bytes)
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english
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Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
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2016 01 25
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775a5f5609d2469ddb3c4bc2e72b09e2
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403

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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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