User Manual
Table Of Contents
- 1GENERAL
- 1.1Introduction
- 1.2Performance Specification
- 2THEORY OF OPERATION
- 2.1Amplifier Operation
- 2.2Power Requirements
- 2.3RF Circuitry
- 2.3.1UT-3/400 Lowpass Filter
- 2.4Power Control Circuitry
- 2.5Power Sensing Circuitry
- 2.5.1Output Power Sense
- 2.5.2VSWR Sense
- 2.5.3VSWR Overload
- 3UT-3/400 AMPLIFIER ALIGNMENT
- 3.1General
- 3.2Repair Note
- 3.3Recommended Test Equipment List
- 3.4Printed Circuitboard Numbering Convention
- 3.5Standard Factory Settings and Jumper Configuration
- 3.6UT-3/400 AmplifierAlignment
- 3.6.1General
- 3.6.2UT-3/400 Amplifier Adjustment
- 3.6.2.1General Set-Up
- 3.6.2.2Output Power Alarm (Forward Power)
- 3.6.2.3Output Power
- 3.6.2.4Antenna VSWR Alarm (Reverse Power)
- 3.6.2.5Antenna VSWR Overload
- 3.6.2.6Procedure Verification
- 4ILLUSTRATIONS AND SCHEMATIC DIAGRAMS
- 4.1UT-3/400 UHF Amplifier Component Layout
- 4.2UT-3/400 UHF Amplifier Schematic Diagram
- 4.3UT-3/400 UHF Lowpass Filter Component Layout
- 4.4UT-3/400 UHF Lowpass Filter Schematic Diagram
- 5PARTS LISTS
- 5.1UT-3 / UT4 UHF Amplifier Electrical Parts List
- 5.2UT-3/400 UHF Amplifier Mechanical Parts List
- 5.3UT-3/400 UHF Low Pass Filter Electrical Parts List
- 6REVISION HISTORY
DE
DANIELS
ELECTRONICS
ii
UHF Amplifier Instr
uction Manual UT-3 406 - 512 MHz
Reviewed By:
Quality
Assurance:
Larry
Freeman
_________________
Name Signature
Date
NOTE:
The
user's
authority
to
operate
this
equipment
could be revoked through any
changes or
modifications
not expressly approved by
Daniels
Electronics
Ltd.
The design of this
equipment
is subject to change due to continuous
development. This
equipment
may
incorporate
minor changes in
detail
from the
information
contained
in this manual.