Equipment information
Kenwood TK-2140 Transceiver
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Model:
TK-2140
Date:
2001
Category:
Group:
Description:
VHF FM TRANSCEIVER
Information
General
Frequency Range
RX,
TX..............................................................................
K : 136 to 174MHz
Systems
...........................................................................
Trunked Mode : Maximum 32
Groups
.............................................................................
Maximum 250
Channels
..........................................................................
Trunked Mode : Maximum 600
Conventional Mode : Maximum 250
Channel Spacing
(Wide/Narrow)...................................... 25kHz,
30kHz/12.5kHz, 15kHz
PLL Channel Stepping
..................................................... 2.5,
5.0, 6.25, 7.5kHz
Operating Voltage
............................................................
DC 7.5V ±20%
Battery Life
.......................................................................
About 9 hours at 5-5-90 duty cycle with KNB-24L battery
About 8 hours at 5-5-90 duty cycle with KNB-25A battery
About 12 hours at 5-5-90 duty cycle with KNB-26N battery
Temprature Range
...........................................................
–30°C to +60°C (-22°F to + 140°F)
Dimension and Weight
With KNB-24L (1400mAh battery)
................................. 4.13” (105mm) H x 2.21”
(56mm) W x 1.16” (29.5mm) D x 0.66lbs (300g)
Receiver (Measurements made per TIA/EIA-603)
RF Input
Impedance.........................................................
50W
Sensitivity
12dB SINAD (Wide/Narrow)
.......................................... 0.25mV/0.28mV
Selectivity (Wide/Narrow)
................................................ 70dB/65dB
Intermodulation (Wide/Narrow)
........................................ 70dB/65dB
Spurious
...........................................................................
70dB
Frequency Stability
...........................................................
±0.00025% (-30°C to +60°C)
Channel Spread
...............................................................
38MHz : K
Audio Power Output
.........................................................
500mW at 16W less than 5% distortion
Transmitter (Measurements made per TIA/EIA-603)
RF Power Output
Hi
...................................................................................5W
Low
................................................................................1W
RF Output Impedance
...................................................... 50W
Spurious
...........................................................................
70dB
Modulation (Wide/Narrow)
............................................... 16K0F3E/11K0F3E
FM Noise
(Wide/Narrow)..................................................
45dB/40dB
Audio Distortion
................................................................
Less than 3%
Frequency Stability
...........................................................
±0.00025% (-30°C to +60°C)
Channel Spread
...............................................................
38MHz : K
Manual Type:
Service Manual
Pages:
45
Size:
3.12 Mbytes (3273955 Bytes)
Language:
english
Revision:
Manual-ID:
B51-8602-00 (S) 1022
Date:
2001 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2016 12 31
MD5:
9114b022c09e32bdea6174dac0e7ce6a
Downloads:
513
Information
GENERAL
...
2
SYSTEM SET-UP
...
2
OPERATING FEATURES
... 3
REALIGNMENT
...
4
CIRCUIT DESCRIPTION
... 6
SEMICONDUCTOR DATA
... 12
DESCRIPTION OF COMPONENTS
... 13
PARTS
LIST ...
14
EXPLODED VIEW
...
21
PACKING
...
22
ADJUSTMENT
...
23
TERMINAL FUNCTION
... 32
PC BOARD VIEWS
TX-RX UNIT (X57-6400-10)
... 33
SCHEMATIC DIAGRAM
... 43
BLOCK DIAGRAM
...
47
LEVEL DIAGRAM
...
49
KSC-25 ...
50
KNB-24L,KNB-25A,KNB-26N,KRA-22
... 53
SPECIFICATIONS
... BACK COVER