Specifications - Kenwood TKR-740 Service Manual

TKR-740
GENERAL
Frequency Range ............................................................. RX : 158 to 174M Hz, TX : 146 to 174M Hz
Number of Channels ........................................................ 32
Channel Spacing ............................................................... Wide : 20kHz, Narrow : 12.5kHz
PLL Channel Stepping ...................................................... 2.5kHz, 5kHz, 6.25kHz
Antenna Impedance ......................................................... 50Ω
Operating Voltage ............................................................ 13.2V DC (10.8 ~ 15.6V)
Current Drain .................................................................... Standby : Less than 1.2A
Duty Cycle ........................................................................ Receive : 100% , Transmit : 100%
Frequency Stability ........................................................... ± 0.00015% (–22˚F to +140˚F)
Operating Temperature Range ......................................... –30˚C to +60˚C (–22˚F to +140˚F)
Dimensions (Including protrusions) .................................. 483 (19) W ✕ 44 (1-3/4) H ✕ 305 (12) D mm (inches)
Weight .............................................................................. 4kg (8.8 lbs.)
RECEIVER
(M easurements made per TIA/EIA-603, EN-086)
Sensitivity (EN 20dB SINAD) ............................................ 0.50µV
Selectivity ......................................................................... Wide : 88dB (± 20kHz), Narrow : 85dB (± 12.5kHz)
Spurious Response Rejection .......................................... 95dB
Intermodulation ................................................................ 80dB
FM Hum and Noise (EIA) ................................................. Wide : 58dB, Narrow : 55dB
Audio Output (Ext. Speaker)............................................. 4W at 4Ω less than 5% distortion
Audio Distortion (Ext. Speaker) ........................................ Less than 2% at 1000Hz
Band Spread ..................................................................... 3M Hz
TRANSM ITTER
(M easurements made per TIA/EIA-603, EN-086)
RF Pow er Output ............................................................. 25W adjustable to 5W
Spurious Emission ............................................................ –36dBm
Type of Emission .............................................................. Wide : 14K0F3E, 12K0F2D, 12K0F1D
FM Hum and Noise (EIA) ................................................. Wide : 55dB, Narrow : 50dB
Audio Distortion (EIA) ....................................................... Less than 0.5% at 1000Hz
M icrophone Impedance ................................................... 600Ω
Band Spread ..................................................................... 28M Hz
EXT Reference Sensitivity (10M Hz, 50Ω) ........................ –10dBm
KENWOOD follow s a policy of continuous advancement in development. For this reason specifications may be changed w ithout notice.
KENWOOD CORPORATION
2967-3, Ishikaw a-machi, Hachioji-shi, Tokyo 192-8525, Japan
KENWOOD U.S.A. CORPORATION
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745,
U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, M ississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS DEUTSCHLAND GM BH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenw eg 248 J, 1800 Vilvoorde, Belgium
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS U.K. LIM ITED
KENWOOD House, Dw ight Road, Watford, Herts., WD18 9EB, United Kingdom
KENWOOD ELECTRONICS EUROPE B.V.
Amsterdamsew eg 37, 1422 AC Uithoorn, The Netherlands

SPECIFICATIONS

Receive : Less than 1.7A
Transmit/Receive : Less than 8.0A
1GHz, –30dBm > 1GHz
Narrow : 8K50F3E, 7K50F2D
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 M ilano, Italy
KENWOOD IBERICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tow er one M etroplaza, 223 Hing Fong Road,
Kw ai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.
Sales M arketing Division
1 Ang M o Kio Street 63, Singapore 569110