Radio Shack HTX-420 - Technical Specifications; General Technical Specifications; Receiver and Transmitter Performance

BG TECH.
VERSION III
2001/2/28
SPECIFICATION
GENERAL
Frequency
2-Meter ----------------------------------- TX:144 ~148MHz/RX: 137 ~ 174MHz
70-cm ----------------------------------- TX:438 ~450MHz/RX: 420 ~ 512MHz
Weather Channel ------------------------------------ RX : CH1 ~ CH7
Airband ----------------------------------- RX : 108.000 ~ 136.9875MHz
Frequency Generation --------------------------------- PLL Synthesizer
Frequency Stability ---------------------------------- +/- 10 ppm
Operating Temp. ---------------------------------- 32’ to 140’ F (0’ to 60’C)
Operating Voltage ------------------------------------- DC 5V to 12 V
Modulation ---------------------------------- F3E
Impedance ---------------------------------- 50ohm
Dimension (HxWxD) ---------------------------------- 4 1/2 x 2 2/5 x 1 1/5 (122 x 61 x 31 mm)
Weight (with CHG. Battery) ------------------------- 10.6 oz
(300g)
RECEIVER
Circuit Type ---------------------------------- Dual Conversion, Superheterodyne
IF Freq.
1
st
IF ---------------------------------- 45MHz
2
nd
IF ----------------------------------450kHz
Sensitivity ---------------------------------- 02uV For 12dB Sinad
Distortion ---------------------------------- 5% max
S/N Ratio ---------------------------------- 40dB min.
Audio Output @ 10%THD ---------------------------------- 400mW at 8ohm
TRANSMITTER
Power Output ---------------------------------- 3W, DC 7.2V
5W, DC12V
Distortion (Nominal) ---------------------------------- 3%