TH-D75A

GENERAL  
Frequency Range Band-A TX: 144 - 148, 222 - 225, 430 - 450 MHz
RX: 136 - 174, 216 - 260, 410 - 470 MHz
Band-B RX: 0.1 - 76, 76 - 108 (WFM), 108 - 524 MHz
Mode TX F1D, F2D, F3E, F7W
RX F1D, F2D, F3E, F7W, A1A, A3E, J3E
Operating Temp. Range with KNB-75LA (Li-ion) -4 to +140 °F (-20 to +60 °C )
+14 to +122 °F (-10 to +50 °C )
Frequency Stability ± 2.0 ppm
Antenna Impedance 50 Ω
Operating Voltage DC-IN DC 11.0 - 15.9 V (STD: DC 13.8 V)
BATT DC   6.0 - 9.6 V   (STD: DC 7.4 V)
Current Consumption (Typ.) EXT.PS 13.8 V / Battery: 7.4 V
TX H M L EL
DC-IN 1.4A 0.9A 0.9A 0.4A
BATT 2.0A 1.3A 0.8A 0.5A
RX Single 260 mA (Rated AF Output)
155 mA (SQL Closed)
50 mA (Save Mode Average)
Dual 310 mA (Rated AF Output)
225 mA (SQL Closed)
50 mA (Save Mode Average)
GPS only 125 mA
Battery Life Approx. Single RX, Battery saver on,
TX: RX: Stdby 6: 6: 48 sec., GPS/BT off
H M L EL
with KNB-75LA (Li-ion) 6 h 8 h 12 h 15 h
with KBP-9 (6AAA Alkaline) 3.5 h
Dimensions (W x H x D) Projections not included
with KNB-75LA (Li-ion) 2.20 x 4.80 x 1.28 in(56.0 x 121.95 x 32.5 mm)
Weight (net) Radio only 7.20 oz (204 g)
with KNB-75LA (Li-ion) 12.20 oz (346 g) (w/ Ant,Belt Clip)
RECEIVER Band-A Band-B
Circuitry F1D,F2D,F3E,F7W Double Super Heterodyne
A1A, A3E, J3E Triple Super Heterodyne
IF Frequency 1st IF 57.15 MHz 58.05 MHz
2nd IF 450 kHz 450 kHz
3rd IF A1A, A3E, J3E 10.8 kHz
Sensitivity (Typ.)
Amateur Band and
Mode that can be TX		 FM 12 dB SINAD
FM/ NFM  144 MHz		 0.18/ 0.22 uV 0.19/ 0.24 uV
FM/ NFM  220/430 MHz 0.18/ 0.22 uV 0.20/ 0.25 uV
DV PN9/GMSK 4.8kbps,BER 1%
144 MHz		 0.20 uV 0.22 uV
220 MHz 0.22 uV 0.24 uV
220 MHz 0.22 uV 0.22 uV
Except above Amateur
Band and Mode		 FM 12 dB SINAD
28 – 54 MHz		 0.32 uV
54 – 76 MHz 0.56 uV
118 – 144 MHz 0.36 uV 0.36 uV
148 – 175 MHz 0.36 uV
200 – 222 MHz 0.36 uV
225 – 250 MHz 0.36 uV
382 – 400 MHz 0.50 uV
400 – 412 MHz 0.36 uV 0.36 uV
415 – 430 MHz 0.36 uV 0.36 uV
450 – 490 MHz 0.36 uV 0.36 uV
490 – 524 MHz 0.63 uV
AM 10 dB S/N
0.3 – 0.52 MHz		 4.00 uV
0.52 – 1.8 MHz 1.59 uV
1.8 – 54 MHz 0.63 uV
54 – 76 MHz 1.12 uV
118 – 174 MHz 0.50 uV
200 – 250 MHz 0.63 uV
382 – 412 MHz 1.12 uV
415 – 524 MHz 1.12 uV
SSB 10 dB S/N
1.8 – 54 MHz		 0.40 uV
54 – 76 MHz 0.79 uV
114 – 148 MHz 0.16 uV
222 – 225 MHz 0.20 uV
430 – 450 MHz 0.16 uV
BC Band WFM 30 dB S/N
76 – 95MHz		 1.59 uV
95 – 108MHz 2.00 uV
RECEIVER Band-A Band-B
Squelch (Typ.) 0.18 uV 0.25 uV
Spurious Rejection 144 / 220 MHz 50 dB or more 45 dB or more
430 MHz 50 dB or more 40 dB or more
IF Rejection 60 dB or more 55 dB or more
Channel Selectivity -6 dB 12 kHz or more
-50 dB 30 kHz or less
Audio Output 7.4 V, 10% Dist 400 mW or more / 8 Ω
TRANSMITTER
RF Power Output EXT.PS 13.8 V / Battery: 7.4 V
H M L EL
5 W 2 W 0.5 W 0.05 W
Modulation FM Reactance Modulation
DV GMSK Reactance Modulation
Modulation Deviation FM ±5.0 kHz
NFM ±2.5 kHz
Spurious Emissions HI/MID -60 dBc or less
L -50 dBc or less
EL -40 dBc or less
Microphone Impedance 2kΩ
GPS
Time after power-on at Ta=77 °F (25 °C), Open sky, (Typ)
TTFF Cold Start Approx. 40 sec
Hot Start Approx. 5 sec
Horizontal Accuracy 10 meters or less
Receive Sensitivity -141 dBm
Bluetooth
Version, class Version 3.0, class 2
Output Power -6 < Pav < 4 dBm
Modulation Characteristics 140 ≦ ⊿f 1avg ≦ 175 kHz
Initial Carrier Frequency -75 ≦ fo≦ +75 kHz
Carrier Frequency Drift ±25 kHz (One Slot packet)
±40 kHz (Three Slot packet)
±40 kHz (Five Slot packet)