Kenwood TKR-850 Service Manual page 71

TKR-850
GENERAL
Frequency Range ........................................ 440 to 470MHz
Number of Channels .................................. 16 channel
Channel Spacing ......................................... Wide : 25kHz
Operating Voltage ....................................... 13.2V DC
Current Drain
Standby ................................................... 0.8A
Standby w/power save ........................... 0.3A (Operating mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP : OFF)
Receive ................................................... 1.2A
Transmit/Receive .................................... Less than 13A
Duty Cycle .................................................. Receive : 100%
Frequency Stability ..................................... Less than ± 0.00015% –30°C to +60°C
Antenna Impedance ................................... 50Ω
Operating Temperature Range ................... –30°C to +60°C
Dimensions ................................................. 483 W x 88 H x 340 D mm
Weight ........................................................ 9.7kg
RECEIVER (Measured by ETS 300 086)
Sensitivity ................................................... 0.45µV
Adjucent Channel Selectivity ..................... 83dB (±25kHz)
Intermodulation .......................................... 72dB
Spurious & Image Rejection ....................... 90dB
Audio Output (Ext. Speaker) ....................... 4W at 4Ω less than 5% distortion
Audio Distortion (Ext. Speaker) .................. Less than 2.5% at 1000Hz
Band Spread ............................................... 5MHz
TRANSMITTER (Measured by ETS 300 086)
RF Power Output ........................................ 40W adjustable to 25W (100% duty @25W)
Modulation Limiting .................................... ± 5kHz at ± 25kHz
Spurious Emission ...................................... –36dBm ≤ 1GHz
FM Noise (EIA) ........................................... 25kHz : 50dB
Modulation Distortion ................................. Less than 3% at 1000Hz
Microphone Impedance ............................. 600Ω
Band Spread ............................................... 30MHz
SPECIFICATIONS (E TYPE)
Narrow : 12.5kHz (PLL channel stepping 5kHz/6.25kHz)
Transmit : 100% (100% @25W)
75dB (±12.5kHz)
± 2.5kHz at ±12.5kHz
–30dBm > 1GHz
12.5kHz : 45dB
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