Kenwood TKR-850 Service Manual page 100

SPECIFICATIONS (K,K2,K3 TYPE)
GENERAL
Frequency Range ................................ K : 450 to 480MHz
Number of Channels ........................... 16 channel
Channel Spacing ................................. Wide : 25kHz
Operating Voltage ............................... 13.6V DC± 15% (10.8~15.6V)
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%
Transmit ......................................... 100% (100% @25W)
Frequency Stability ............................. Less than ± 0.00015% –30°C to +60°C (–22°F to +140°F)
Antenna Impedance ........................... 50Ω
Operating Temperature Range ........... –30°C to +60°C (–22°F to +140°F)
Dimensions ......................................... 483 (19) W x 88 (3-1/2) H x 340 (13-1/3) D mm (inch)
Weight ................................................ 9.7kg (21.4 lbs.)
RECEIVER (Measured by TIA/EIA-603)
Sensitivity
12dB SINAD ................................... 0.35µV (–116dBm)
20dB Quieting ................................ 0.45µV (–114dBm)
Selectivity ........................................... Wide : 83dB (± 25kHz)
Intermodulation ................................... Wide : 78dB (± 25kHz/± 50kHz)
Hum and Noise ................................... Wide : 50dB
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 TIA/EIA-603)
RF Power Output ................................ 40W adjustable to 15W (100% duty @25W)
Type of Emission ................................ Wide : 16K0F3E
Spurious Response ............................. Harmonics : 80dB
FM Hum and Noise ............................ Wide : 50dB
Audio Distortion .................................. Less than 3% at 1000Hz
Microphone Impedance ...................... 600Ω
Band Spread ....................................... 30MHz
K2 : 480 to 512MHz
Narrow : 12.5kHz
(PLL channel stepping 5kHz/6.25kHz)
Narrow : 75dB (12.5kHz)
Narrow : 45dB
Narrow : 11K0F3E
Others : 75dB
Narrow : 45dB
TKR-850
K3 : 400 to 430MHz
Narrow : 75dB (± 12.5kHz/± 25kHz)
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