Kenwood TKR-740 Service Manual

Also see for TKR-740: Brochure & specs Instruction manual Service manual Instruction manual

TKR-74081GENERALFrequency range .............................................................. RX : 146~162 MHz:K, 158~174 MHz:K2, 136~150 MHz:K3TX : 136~174 MHzInput volta ........................................................................ 13.8V DC negative groundTemperature range ........................................................... -22˚F to +140˚F (-30˚C to +60˚C)Frequency stability ........................................................... ± 0.00015% (-22˚F to +140˚F)Antenna impedance ......................................................... 50ΩChannel Spacing ............................................................... Wide : 30 kHz, Narrow : 15 kHz(PLL channel stepping 2.5kHz, 5 kHz, 6.25 kHz)Channels quantity ............................................................. 32Duty cycle ........................................................................ 100%Dimensions (including protrusions) .................................. 19 in (483mm) W ✕ 1-3/4 in (44mm) H ✕ 12 in (305mm) DWeight .............................................................................. 8.8 lbs. (4kg)RECEIVERSensitivity (EIA 12dB SINAD) ........................................... 0.30μVSelectivity ......................................................................... Wide : 95dB at ± 30kHzNarrow : 89dB at ± 15kHzNarrow : 87dB at ± 12.5kHzChannel Frequency Spread .............................................. 3 MHzSpurious and image rejection ........................................... 100 dBIntermodulation ................................................................ Wide : 90dB at ± 30kHz/± 60kHzNarrow : 85dB at ± 15kHz/± 30kHzFM Hum and Noise .......................................................... Wide : 60dB, Narrow : 55dBTRANSMITTERRF power output .............................................................. 5WChannel Frequency Spread .............................................. 38MHzType of Emiss .................................................................. 11K0F3E, 16K0F3EAudio distortion ................................................................ Less than 0.5% at 1000HzSpurious and emission ..................................................... 70dBFM Noise .......................................................................... Wide : 55dB, Narrow : 50dBKENWOOD follows a policy of continuous advancement in development. For this reason specifications may be changed without notice.SPECIFICATIONS (K, K2, K3 TYPE)