Equipment information

Kenwood TK-2140 Transceiver
Manufacturer:
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

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Service Manual
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

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