Radio Shack DX 275 User Manual

DX-375 (200-0212) Specifications
GENERAL
Output Impedance:..............................AM, SW 8 ohms (Speaker)
FM 32 ohms (Headphone)
Output Power:..........................350 mW at 10% THD with a 8 ohm load
Power Source:..................................................DC, 3 Volts
Test Conditions: AM, SW
Modulation:....................................................1000 Hz 30%
Output:........................................................50mW/8 ohms
Antenna Input:...............................................AM, SW1 Loop
SW2 Dummy
AM BAND
Condition Unit Nominal Limit
Intermediate Frequency kHz 450 450 +/-
Frequency Range kHz 530~1710 530~1710
Maximum Sensitivity
50 mW Output /8 ohms 600 kHz µV/m 63 150
1000 kHz µV/m 50 130
1450 kHz µV/m 50 130
Usable Sensitivity
20 dB S/N 600 kHz µV/m 398 630
1000 kHz µV/m 250 630
1450 kHz µV/m 250 630
Auto Scan Sensitivity 1000 kHz µV/m 250 500
Tuning Indicator
On Sensitivity 1000 kHz µV/m 79 220
DX-LOCAL
Sensitivity Ratio 1000 kHz dB 26 16~36
S/N Ratio 5mV/m Input 1000 kHz dB 45 40
Image Rejection 1450 kHz dB 40 34
IF Rejection 600 kHz dB 50 44
AGC FOM-10 dB 1000 kHz dB 69 60
Selectivity +/- 10 kHz 1000 kHz dB 70 60
Bandwidth at -6 dB 1000 kHz kHz 6.2 4.5~8
Maximum Output Power
5 mV/m Input 1000 kHz mW 475 350
T.H. Distortion
5 mV/m Input 1000 kHz % 1.03 .0
Overload Distortion
100 mV/m Input 1000 kHz % 1.2 10
Output Power at 10% THD
5 mV/m Input 1000 kHz mW 340 300
Whistle Modulation 900 kHz % 2 15
1350 kHz % 2 15
Overall Fidelity
5mV/m Input 1000 kHz Hz 130~2.8k 160~2.2k
Noise Level mV 0.2 0.4
Current Drain mA 37 45
Local Oscillator Drop Out 600 kHz V 1.85 2.1
Backup Current
(Power Off After 5 Minutes) µA 1.5 10
Low Battery Indication Voltage V 2.25 2.0~2.4

Radio Shack DX 275 Specifications

General

Brand	Radio Shack
Model	DX 275
Category	Radio
Language	English