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Manuals and User Guides for RF Technology T50. We have
1
RF Technology T50 manual available for free PDF download: Operation And Maintenance Manual
RF Technology T50 Operation And Maintenance Manual (60 pages)
Brand:
RF Technology
| Category:
Transmitter
| Size: 0.18 MB
Table of Contents
Table of Contents
2
1 Operating Instructions
5
Front Panel Controls and Indicators
5
Ptt
5
Line
5
Power Led
6
Tx Led
6
Alarm Led
6
2 Transmitter Internal Jumper Options
7
Serial I/O Parameters
7
Line Terminators
7
Exciter Low Battery Level
7
External PA Parameters
7
LOOP Volts Select
7
Direct Audio (TONE) Select
8
Direct Audio (TONE) High Pass Filter Select
8
Transmit Time
8
Channel Selectable Parameters
8
3 Transmitter I/O Connections
8
Pin Connector
8
Pin Front Panel Connector
9
4 Channel and Tone Frequency Programming
10
Setting Options
10
Setting Channel Parameters
11
5 Circuit Description
13
T50 Master Schematic (Sheet 1)
13
Line Input Processing Section (Sheet 4)
13
Microprocessor (Sheet 2)
14
Audio Processing Section (Sheet 3)
18
Tone Generation Section (Sheet 5)
20
Frequency Synthesiser (Sheet 6)
21
The Modulation PLL
21
The Channel PLL
22
The External Reference Divider
23
The DAC
23
The Vcos and the RF Output
24
Voltage Controlled Oscillators (Sheet 7)
24
Broadband HF Power Amplifier (Sheet 8)
26
Power Generation Section (Sheet 9)
26
6 Field Alignment Procedure
27
Standard Test Equipment
27
Invoking the Calibration Procedure
28
The "Miscellaneous" Calibration Procedure
28
The "Reference" Calibration Procedure
29
The "Deviation" Calibration Procedure
31
The "Tone Deviation" Calibration Procedure
32
The "Line" Calibration Procedure
33
The "Power" Calibration Procedure
34
7 Specifications
36
Overall Description
36
Channel Capacity
36
Ctcss
37
Channel Programming
37
Channel Selection
37
Microprocessor
38
Physical Configuration
38
Front Panel Controls, Indicators and Test Points
38
Controls
38
Indicators
38
Test Points
38
Electrical Specifications
38
Power Requirements
38
Frequency Range and Channel Spacing
39
Frequency Synthesizer Step Size
39
Frequency Stability
39
Number of Channels
39
Antenna Impedance
39
Output Power
39
Transmit Duty Cycle
39
Spurious and Harmonics
39
Carrier and Modulation Attack Time
40
Modulation
40
Distortion
40
Residual Modulation and Noise
40
600 Ω Line Input Sensitivity
40
Test Microphone Input
40
External Tone Input
40
T/R Relay Driver
40
Channel Select Input/Output
41
DC Remote Keying
41
PTT in
41
Programmable No-Tone Period
41
Firmware Timers
41
Ctcss
42
Connectors
42
RF Output Connector
42
Power and I/O Connector
42
External Reference Connector (Optional)
42
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