规 格 - Kenwood TK-3148 Service Manual

Uhf fm transceiver
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TK-3148
概述
频率范围
RX,TX ....................................350 ∼ 390MHz
信道间距....................................6.25kHz/ 12.5kHz/ 25kHz
电池电压....................................直流 7.5V±20%
电池寿命....................................4W 时长于 9 个小时 ( 使用 KNB-24L 电池 5-5-90 工作周期 )
温度范围....................................-30℃到 +60℃ (-22 ℉到 +140 ℉ )
尺寸和重量
带有 KNB-24L(1400mAh 电池 ) ..................105(4.13) 高 ×56(2.21) 宽 ×29.5(1.16) 长 mm( 英寸 ),0.66lbs(300g)
( 尺寸大小不包括突出部分,重量包括天线和皮带夹子 )
接收部 ( 以每 TIA/EIA-603 进行测量 )
射频输入阻抗................................50Ω
灵敏度
12dB SINAD ...............................0.28µV( 窄 )/ 0.25µV( 宽 )
选择性......................................65dB( 窄 )/ 70dB( 宽 )
互调........................................62dB( 窄 )/ 70dB( 宽 )
假信号响应 ( 不包括中频 1/2) .................70dB
频率稳定性..................................±0.00025%(-30℃到 +60℃ )
信道频率扩展................................40MHz
音频功率输出................................16Ω 时为 500mW, 失真小于 5%
发射部 ( 以每 TIA/EIA-603 进行测量 )
射频功率输出
高 .......................................4W
低 .......................................1W
射频输出阻抗................................50Ω
寄生........................................-70dB
调制........................................±2.5kHz( 窄 )/ ±5.0kHz( 宽 )
频率调制噪音................................-40dB( 窄 )/ -45dB( 宽 )
音频失真....................................低于 3%
频率稳定性..................................±0.00025%(-30℃到 +60℃ )
信道频率扩展................................40MHz
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach,
CA 90801-5745, U.S.A.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
L'Etoile Paris Nord 2, 50 Allée des Impressionnistes,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
KENWOOD House, Dwight Road, Watford, Herts.,
WD18 9EB United Kingdom
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
Bolivia, 239-08020 Barcelona, Spain
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong
1 Ang Mo Kio Street 63, Singapore 569110

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