Kenwood TK-790 Service Manual

Also see for FleetSync TK-790: Specifications Instruction manual Specifications Instruction manual

119TK-790/(B)/H(B)SPECIFICATIONSGENERALFrequency Range ............................................... TK-790 : 148 to 174MHz (K), 136 to 156MHz (K2) TK-790H : 148 to 174MHz (K)Number of Channels ......................................... 160 channelsChannel Spacing ................................................ 30kHz, 25kHz (Wide) / 15kHz, 12.5kHz (Narrow)Operating Voltage .............................................. TK-790 : 13.6V DC±15%, TK-790H : 13.4V DC± 15% negative groundCurrent Drain ..................................................... 0.6A on standby2.2A on receiveTK-790 : 12A, TK-790H : 25A on transmitDuty Cycle ......................................................... Transmit 20%Frequency Stability ............................................ ± 0.0002% (–30°C to +60°C)Operating Temperature Range .......................... –30°C to +60°C (–22°F to +140°F)Dimensions & Weight ....................................... TK-790 : 7.01" (178mm) W x 2.36" (60mm) H x 7.68" (195mm) D, 5.61lbs (2.3kg)7.01" (178mm) W x 2.36" (60mm) H x 8.98" (228mm) D, 5.72lbs (2.6kg) with KCH-10TK-790H : 7.01" (178mm) W x 2.36" (60mm) H x 12.88" (327mm) D, 7.92lbs (3.6kg)RECEIVER (Measurements made per EIA standard EIA/TIA-240-D)Antenna Impedance .......................................... 50ΩSensitivity .......................................................... 12dB SINAD : 0.25μV, 20dB Quieting : 0.35μVSelectivity .......................................................... 85dB (Wide) / 80dB (Narrow)Intermodulation ................................................. 80dB (Wide) / 75dB (Narrow)Spurious and Image Rejection .......................... 90dBAudio Output ..................................................... 13W at 4Ω less than 5% distortion (12W at 4Ω less than 3% distortion)Band Spread ...................................................... TK-790 : 26MHz (K), 20MHz (K2) TK-790H : 26MHz (K)TRANSMITTER (Measurements made per EIA standard EIA-152-C)RF Power Output ............................................... TK-790 : 45W adjustable to 5W, TK-790H : 110W adjustable to 45WAntenna Impedance .......................................... 50ΩSpurious Response ........................................... 80dBType of Emission ............................................... 16K0F3E (Wide) / 11K0F3E (Narrow)FM Hum and Noise ........................................... 53dB (Wide) / 47dB (Narrow)Microphone Impedance .................................... 600ΩAudio Distortion ................................................. Less than 2% at 1000HzBand Spread ...................................................... TK-790 : 26MHz (K), 20MHz (K2) TK-790H : 26MHz (K)KENWOOD follows a policy of continous advancement in development. For this reason, specifications may be changed without notice.APPLICABLE (MIL-STD)Military Standard Method/Procedures810C 810D 810ELow Pressure 500.1/Procedure I 500.2/Procedure I, II 500.3/Procedure I, IIHigh temperature 501.1/Procedure I, II 501.2/Procedure I, II 501.3/Procedure I, IICat, A1 Cat, A1Low Temperature 502.1/Procedure I 502.2/Procedure I, II 502.3/Procedure I, IICat, C1 Cat, C1Temperature Shock 503.1/Procedure I 503.2/Procedure I 503.3/Procedure ICat, A1,C1 Cat, A1,C1Solar Radiation 505.1/Procedure I 505.2/Procedure I 505.3/Procedure IRain (Procedure I : Control head only) 506.1/Procedure I, II 506.2/Procedure I, II 506.3/Procedure I, IIHumidity 507.1/Procedure II 507.2/Procedure II 507.3/Procedure IISalt Fog 509.1/Procedure I 509.2/Procedure I 509.3/Procedure IDust 510.1/Procedure I 510.2/Procedure I 510.3/Procedure IVibration 514.2/Procedure VIII , X 514.3/Procedure I 514.4/Procedure ICat, 8 Cat, 8Shock 516.2/Procedure I, II, V 516.3/Procedure I, IV 516.4/Procedure I, IV

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