Kenwood TK-3148 Service Manual

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Contents

TK-3148KENWOOD CORPORATION2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, JapanKENWOOD U.S.A. CORPORATIONP.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745,U.S.A.KENWOOD ELECTRONICS CANADA INC.6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8KENWOOD ELECTRONICS DEUTSCHLAND GMBHRembrücker Str. 15, 63150 Heusenstamm, GermanyKENWOOD ELECTRONICS BELGIUM N.V.Leuvensesteenweg 248 J, 1800 Vilvoorde, BelgiumKENWOOD ELECTRONICS FRANCE S.A.13, Boulevard Ney, 75018 Paris, FranceKENWOOD ELECTRONICS U.K. LIMITEDKENWOOD House, Dwight Road, Watford, Herts., WD18 9EB, United KingdomKENWOOD ELECTRONICS EUROPE B.V.Amsterdamseweg 37, 1422 AC Uithoorn, The NetherlandsKENWOOD ELECTRONICS ITALIA S.p.A.Via G. Sirtori, 7/9 20129 Milano, ItalyKENWOOD IBERICA S.A.Bolivia, 239-08020 Barcelona, SpainKENWOOD ELECTRONICS AUSTRALIA PTY. LTD.(A.C.N. 001 499 074)16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, AustraliaKENWOOD ELECTRONICS (HONG KONG) LTD.Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,Kwai Fong, N.T., Hong KongKENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.Sales Marketing Division1 Ang Mo Kio Street 63, Singapore 569110规格概述频率范围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°F 到＋ 140°F）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）（尺寸大小不包括突出部分，重量包括天线和皮带夹子）0.66lbs（300g）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

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