Transmitter

 

 

H

 

5 W/ Approx. 2 W (with BT-15)

 

 

 

 

RF power output

L

 

Approx. 0.5 W

 

 

 

 

 

EL

 

Approx. 0.05 W

 

 

 

 

Modulation

 

 

Reactance

 

 

 

Maximum frequency deviation

 

FM: ±5 kHz, N-FM: ±2.5 kHz

 

 

 

Spurious radiation (at high transmit power)

 

Less than –60 dB

 

 

 

Modulation distortion (300 Hz ~ 3 kHz)

 

Less than 3 %

 

 

 

 

Microphone impedance

 

 

2 k7

 

 

Receiver

 

 

Circuitry

 

 

 

Double super heterodyne

Intermediate

1st IF (Band A/ Band B)

 

49.95 MHz/ 45.05 MHz

Frequency (IF)

2nd IF (Band A/ Band B)

 

450 kHz/ 455 kHz

 

 

 

 

 

 

 

 

Sensitivity

Band A/ Band B

 

 

Less than 0.18 μV/ 0.22 μV

(12 dB SINAD)

 

 

 

 

 

 

 

Squelch sensitivity

 

 

 

Less than 0.13 μV

 

 

 

 

 

 

Selectivity

–6 dB

 

 

More than 11 kHz

 

 

 

 

 

–50 dB

 

 

Less than 30 kHz

 

 

 

 

 

 

 

 

 

Audio output (at 8 7 10% distortion)

 

 

More than 300 mW (at 7.4 V)

 

 

 

 

 

 

Sensitivity (approx.) <excluding 144, 430/440 MHz band>

 

 

 

 

 

 

Frequency range

Band A

Band B

 

 

 

 

FM: 12 dB SINAD

FM: 12 dB SINAD

AM: 10 dB S/N

 

 

 

 

 

 

118 ~ 135.995 MHz

0.28 μV

0.4 μV

 

 

 

 

136 ~ 143.995 MHz

0.28 μV

0.28 μV

 

 

 

 

 

TH-D72A: 148 ~ 173.995 MHz

0.22 μV

0.22 μV

TH-D72E: 146 ~ 173.995 MHz

 

 

 

 

320 ~ 339.995 MHz

1.26 μV

2.24 μV

 

 

 

 

340 ~ 379.995 MHz

0.56 μV

1.0 μV

 

 

 

 

380 ~ 399.995 MHz

0.4 μV

0.4 μV

 

 

 

 

400 ~ 409.995 MHz

0.22 μV

 

 

 

 

410 ~ 429.995 MHz

0.22 μV

0.22 μV

 

 

 

 

 

TH-D72A: 450 ~ 469.995 MHz

0.22 μV

0.22 μV

TH-D72E: 440 ~ 469.995 MHz

 

 

 

 

470 ~ 499.995 MHz

0.4 μV

 

 

 

 

500 ~ 523.995 MHz

1.0 μV

 

 

 

 

 

 

42