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210x
Atlas 210x User Manual
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PC-
500D
VOL
T
AGE
C
H
AR
T
TERM. STRIP
NUMBER
REC.
TRANS.
Q501
Base
0
+3.5
Collecto
r
0
+10.2
Emitter
0
+2.8
Q502
Base
0
+2.4
Collecto
r
0
+12.6
Emitter
0
+1.5
TERM. STRIP
NUMBER
REC.
TRANS.
Q503
Base
•
+1.3
Collecto
r
+15
+13
Emitter
•
+.1
Q604, Q
506
Base
+.4
+.7
Collecto
r
+16
+13
Emitter
•
•
TERM. STRIP
NUMBE
R
REC.
TRANS.
Q606
Base
Collector
Em
itter
•
•
+.03
+1.2
+13
+.7
35
37
Table of Contents
Table of Contents
2
Section 1 GENERAL INFORMATION
4
Introduction
4
Atlas Model 21 Ox Illustrated with Optional 220-CS AC Console
4
General Specifications
5
Receiver Specifications
6
Transmitter Specifications
6
Model 220-CS Power Supply Console Specifications
7
Model 200-PS Portable AC Supply
7
Rechargeable Battery Pack
8
Section 2 INSTALLATION
9
Introduction
9
General Information
9
Remote CW Transmit Switch for Atlas Transceivers
11
Mobile Installations
12
Linear Amplifier Connections for Atlas Transceivers
13
Deluxe Plug-In Mobile Mounting Kit Installation
14
Mobile Bracket Kit Installation
14
D.C. Power Connections
15
Fixed Station Installations
16
Antennas
16
Fixed Station Antennas
17
Model 220-CS/200-PS Schematic Diagram
17
Section 3 OPERATION
18
Introduction
18
Controls
18
Power Supply On/Off, Mobile Operation
18
Power Supply On/Off, 220-Cs/200Ps
18
Function Switch
18
F.gain
18
Band Selector and Tuning Dial, Model 210X
18
Front Panel of ATLAS 210X
19
Rear Panel of ATLAS 210X/215X
19
Band Selector and Tuning Dial, Model 215X
20
Dial Set
20
Carrier Balance
20
S-Meterzero
20
Crystal Calibrator
20
Proper Tuning Od Single Sideband Signals
20
Voice Transmission
20
Modulation Level
21
Alc
21
CW Transmission
21
Heat Sink
21
Introduction
23
Receiver Input Circuit
23
Sensitivity
23
Selectivity
23
Oscillator Switching
23
ATLAS 210X/215X Modular Design and Plug-In P.C. Boards
24
ATLAS 210X/215X Block Diagram
25
Crystal Ladder Filter Selectivity Characteristics
26
Transmitter Broadband Circuitry
27
Receiver Broadband Circuitry
27
Alignment and Troubleshooting
27
Voltage Charts
27
Signal Frequency Ranges and Local Oscillator Frequencies
28
PC-100C - First Mixer/First I.F. Amplifier
29
PC-100C Schematic Diagram
30
PC-200C Second I.F. Amplifier, Second Mixer, MIC. Amp
31
S-Meter Amp
31
PC-200C Schematic Diagram
32
PC-300D - Receiver Audio, Oscillator Switch
33
PC-300C Schematic Diagram
34
PC-500D/520A Pre-Amplifier, Driver, Power Amplifier, SWR Protect
35
PC-500D/520A Schematic Diagram
36
PC-400C VFO Board and Tuning Circuits
37
4-8A Model 210X PC-400C Schematic Diagram
38
4-8B Model 215X PC-400C Schematic (Tuning Section Only)
38
PC-600 Carrier Oscillator, Buffer Amplifier
39
PC-600 Schematic Diagram
40
PC-800C/1200 Receiver Input Tuning
41
4-10A Model 210X PC-800C/1200 Scliematic Diagram
42
4-10B Model 215X PC-8000/1200 Schematic Diagram
43
PC-820 100 Khz Crystal Calibrator
44
PC-820 Crystal Calibrator Schematic Diagram
44
PC-900C Transmitter Input Tuning
45
PC-9000 Transmitter Input Tuning Schematic Diagram
46
PC-1010/1020 Low Pass Filters
47
PC-1010/1020 Low Pass Filter Schematic Diagram
48
PC-1100A SWR Bridge, Antenna Relay
49
PC-1100A SWR Bridge, Antenna Relay Scliematic Diagram
49
Section 4 CIRCUIT THEORY
23
Section 5 Accessories
50
Model PC-120 Noise Blanker
50
PC-120 Noise Blanker Schematic Diagram
51
Model L0X Crystal Oscillator
52
Model 10X Crystal Oscillator Schematic Diagram
53
Model MT-1 Transformer Installation
54
Model VX-5 VOX
55
Model DD-6 Digital Dial
55
4
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Atlas 210x Specifications
General
Brand
Atlas
Model
210x
Category
Transceiver
Language
English
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