TKR-850
87
SPECIFICATIONS (K,K2,K3 TYPE)
GENERAL
Frequency Range ................................ K : 450 to 480MHz
K2 : 480 to 512MHz
K3 : 400 to 430MHz
Number of Channels ........................... 16 channel
Channel Spacing ................................. Wide : 25kHz
Narrow : 12.5kHz
(PLL channel stepping 5kHz/6.25kHz)
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 ........................... 50
Ω
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 ................................... 0.35
µ
V (–116dBm)
20dB Quieting ................................ 0.45
µ
V (–114dBm)
Selectivity ........................................... Wide : 83dB (
±
25kHz)
Narrow : 75dB (12.5kHz)
Intermodulation ................................... Wide : 78dB (
±
25kHz/
±
50kHz)
Narrow : 75dB (
±
12.5kHz/
±
25kHz)
Hum and Noise ................................... Wide : 50dB
Narrow : 45dB
Spurious & Image Rejection ............... 90dB
Audio Output (Ext. Speaker) ............... 4W at 4
Ω
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
Narrow : 11K0F3E
Spurious Response ............................. Harmonics : 80dB
Others : 75dB
FM Hum and Noise ............................ Wide : 50dB
Narrow : 45dB
Audio Distortion .................................. Less than 3% at 1000Hz
Microphone Impedance ...................... 600
Ω
Band Spread ....................................... 30MHz