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TS-480
Kenwood TS-480 User Manual
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24
Fig. 15:
NR OFF
Fig. 16:
NR1 ON
Fig. 17:
NR2 ON
23
25
Table of Contents
Table of Contents
2
Determination to Create a Unique Transceiver
3
Back to Basics: “The Appeal of HF Lies in DX’ing.”
3
Design Objectives
3
Standalone Control Panel
4
Focus on Basic Performance
4
The 200W Challenge
4
Adding Appeal to Fixed Station Operations
5
Overview of the TS-480 Series
5
Achieving 200W Output in a Compact Transceiver
6
The TS-480 Concept Began with Development of the TS-570?
6
Development Objectives for the TS-480 Series
6
Focusing on HF
7
Circuitry
8
TX Circuits
8
200W Final Section
8
TX IMD (Output 200W)
9
TX Spurious Emissions
9
SPS (Separate Power Sources) [TS-480HX Only]
10
SPS Schematic Diagram
10
Failsafe Device (some TS-480HX Versions Only)
11
100W Final Section
11
Antenna Tuner (TS-480SAT)
11
100W Final Section with Antenna Tuner
12
FM Circuit
13
FM Modulation Block Diagram
13
RX Circuitry
14
Front End
14
RX 1St Mixer
14
RX Dynamic Range
15
RX Sensitivity
16
Jumpers for Joy
17
Jumper Locations
17
RF Unit (X44-3270-00) Component Surface (J72-0874-19)
17
Circuitry after the Roofing Filter
18
Comparison of Optional CW Filters (500Hz)
18
Option Installation Unit
19
Full Compatibility with Digital Modes (Data Modes)
20
Features Useful for 50Mhz Operations
20
Features Useful for Mobile Operations
20
Auxiliary Features
20
New 5Mhz Band
21
Ideal for Mobile Operations: DNL
22
Principle of DNL Operation
22
DSP Circuit
22
Features of the Built-In DSP
22
The Effect of DNL on Ignition Noise
23
Noise Reduction
23
Nr off
24
Nr1 on
24
Nr2 on
24
Bc on
25
Beat Cancel
25
Bc off
25
RX DSP Filters
26
Slope Tune in Action
26
Switching WIDTH During CW Operations
27
RX Equalizer & TX Equalizer
28
TX Equalizer Characteristics (Example)
28
CW Auto Tune
28
TS-480 Menus
29
Tips
29
Functions that Can be Assigned to PF Keys
34
Making Menus Easier to Use
36
Menu Switching
36
Quick Menu
36
Internal Structure of the Main Unit
37
Structural Features
37
Cooling
38
Cooling Diagram
38
Temperature Rise Around Final Transistors
40
Temperature Rise of Die-Cast Aluminum Chassis Around GND Terminal on Rear
40
Temperature Rise Measured at Center of the Upper Case of the Main Unit
41
Design Concept
42
Constant Recording Function
43
Message Recording/Playback Function
43
New Option: Voice Guide & Storage Unit (VGS-1)
43
Voice Guide
44
Other Features
45
Button Layout & Basic Operation
46
KNS Added
46
Main Functions
46
New Option: ARCP-480 (Amateur Radio Control Program for TS-480) Freeware
46
New Option: ARCP-480 (Freeware)
46
Changing Memory and Registered Details
47
CW Keying
47
Special Code Input
47
Reading and Writing Files
48
Compatibility with KNS (Kenwood Network Command System)
48
Setting up KNS on the ARCP Side
49
Accidental Continuous TX
49
Using a Broadband Router
51
New Option: ARHP-10 (Amateur Radio Host Program) Freeware
52
Make an Audio/Voice Cable & Connect the TS-480 to Your PC
52
Checking LAN Settings
52
New Option: ARHP-10 (Freeware)
52
Adjust PC Volume
53
User Setup
53
Troubleshooting
55
Sound
57
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Instructions
2 pages
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Kenwood TS-480 Specifications
General
Supply Voltage
13.8 V DC ±15%
Antenna Impedance
50 Ohms
Antenna Connector
SO-239
Modes
SSB, CW, AM, FM
RF Output Power
5-100W
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