Equipment information:

Electronic Navigation Industries 350L Amplifier
Manufacturer:
Electronic Navigation Industries
Model: 350L
Date:
Category: Radio, Communication
Group: Amplifier
Description: BROADBAND POWER AMPLIFIER
Information:
                                    The ENi Model 350L is an all solid state amplifier which has
a flat frequency response from 250 kHz to 105 MHz.
It provides 50 watts of linear power with low harmonic and
intermodulation distortion. Gain is 50 dB nominal, with a
variation of less than +1.5 dB over the entire frequency
range. Input and output impedance are 50 ohms and the unit
may be driven to full power output by most RF synthesizers,
signal generators and swept signal sources.
The ENI Model 350L will deliver its rated power output into
any load impedance, regardless of match, Buiit-in protection
circuitry will absorb the power reflected from a mismatched
load without causing failure or oscillation.
Output RF voltage is displayed on the front panel meter. The
Model 350L is packaged for bench mounting and is shipped
with rack mounting adapters. Its integral power
supply and cooling operate from a 115 or 230 VAC 50/60Hz
main supply.
The Model 350L will raise the power level of signal sources
and generators without requiring tuning or band- switching.
The Class A linear circuitry will amplify signals of AM, FM,
SSß, TV and complex modulations limited only by their peak
input and bandwidth with minimum distortion.

These manuals are available for the above equipment:

Electronic Navigation Industries -- 350L -- User Manual
File name: ENI-7553-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 16
Size: 525.22 Kbytes (537824 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: 42d3c760fea09431ddcc91c6820d0f01
ed2kID: a696f3fb19669e23fc3c6def137f7fd4
Downloads: 24 since 25 January 2016
Information:
CHAPTER 1
INTRODUCTION
1.1
General Description......................
1-1
1.2
Specifications................................
M
1.3
Instrument Identification . . . .
1-1
CHAPTER 2
PREPARATION
2.1
Initial Inspection ........................
2-1
2.1.1
Mechanical Check........................
2-1
2.1.2
Claim for Damage ......................
2-1
2.1.3
Performance Check......................
2-1
2.2
Preparation for Use......................
2-1
2.2.1
Power Requirements......................
2-1
2.2.2
Power Cable Ground Protection ,
2-1
2.2.3
Cooling...........................................
2-1
2.3
Rack Mounting ...........................
2-1
2.4
Packaging for Reshipment . . . .
2-1
CHAPTER 3 OPERATION
3.1
Functional Description ..............
3-1
3.2
Controls, Indicators and
Connectors .............................
3-1
3.3
Operating Procedure ...................
3-1
3.4
Precautions.....................................
3-2
CHAPTER 4 PRINCIPLES OF OPERATION
4.1
General...........................................
4-1
4.2
Block Diagram Description . , ,
4-1
4.2.1
Preamplifier Module (A22)
3501.-4185 ■..............................
4-1
4.2.2
Driver Amplifier Module (A1)
350L-4181................................
4-1
4.2.3
Power Amplifier Module (A21)
350L-4184................................
4-1
4.2.4
Combiner Module (A23)
350L-4186................................
4-3
4.2.5
RF Voltmeter Module (A 12)
350L-4182................................
4-3
4.2.6
Power Distribution
350L-2181 ..............................
4-3
CHAPTER 5
PERFORMANCE
TEST PROCEDURES
5.1
Performance Tests......................
5-1
5.1.1
General , ,................................
. . 5-1
5.1.2
Test Equipment Required . , ,
. . 5-1
5.1.3
Gain and Gain Variation Test .
. · 5-1
5,1.3.1
Calibration of Set Up ..............
. . 5-1
Paragraph
Page
5.1.3.2
Measurement Procedure ................
5-1
5.1.4
RF Output Power Test...................
5-2
5.1.4.1
Measurement Procedure ................
5-2
5.1.5
RF Output Distortion Test...........
5-2
5.1.5.1
Measurement Procedure ................
5-2
CHAPTER 6 TROUBLESHOOTING AND REPAIR
6.1
Troubleshooting.............................
6-1

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