DX-375 (200-0212) Specifications Faxback Doc. # 8182
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 uV/m 63 150
1000 kHz uV/m 50 130
1450 kHz uV/m 50 130
Usable Sensitivity
20 dB S/N 600 kHz uV/m 398 630
1000 kHz uV/m 250 630
1450 kHz uV/m 250 630
Auto Scan Sensitivity 1000 kHz uV/m 250 500
Tuning Indicator
On Sensitivity 1000 kHz uV/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) uA 1.5 10
Low Battery Indication Voltage V 2.25 2.0~2.4
SW1 BAND
Condition Unit Nominal Limit
Frequency Range MHz 2.300~6.250 2.300~6.250
Maximum Sensitivity
50 mW Output/8 ohms 2.4 MHz uV/m 50 100
4.0 MHZ uV/m 63 126
6.0 MHz uV/m 22 50
Usable Sensitivity 20dB S/N 2.4 MHz uV/m 224 500
4.0 MHz uV/m 224 500
6.0 MHz uV/m 178 398
Auto Scan Stop Sensitivity 2.4 MHz uV/m 280 -
4.0 MHz uV/m 356 -
6.0 MHz uV/m 224 450
S/N Ratio 4.0 MHz dB 46 42
Image Rejection 2.4 MHz dB 35 -
4.0 MHz dB 25 -
6.0 MHz dB 25 19
IF Rejection 2.4 MHz dB 69 55
AGC FOM-10 dB 4.0 MHz dB 60 50
T.H. Distortion 5mV/m Input 4.0 MHz % 1.0 4.0
Overload Distortion
50 mV/m Input 4.0 MHz % 1.5 10
Current Drain m/A 41 47
Local Oscillator Drop Out 2.4 MHz V 1.85 2.1
DC-DC Conv. OSC Frequency MHz 2.77 -
Tuning Indicator
On Sensitivity 4.0 MHz uV/m 100 224
Tuning Step Frequency kHz 5 5
SW2 Band
Condition Unit Nominal Limit
Frequency Range MHz 7.100~21.850 7.100~21.850
Maximum Sensitivity
50mw Output/8 ohms 7.3 MHz uV 7.9 16
15.0 MHz uV 1.6 3.0
21.0 MHz uV 5.6 22
Usable Sensitivity for
20 dB S/N 7.3 MHz uV 40 80
15.0 MHz uV 9.0 25
21.0 MHz uV 5.6 22
Auto Scan Stop Sensitivity
7.3 MHz uV 45 -
15.0 MHz uV 10 -
21.0 MHz uV 7.9 -
S/N Ratio 100 uV Input 15.0 MHz dB 42 36
Image Rejection 7.3 MHz dB 29 22
15.0 MHz dB 18 12
AGC FOM-10dB 15.0 MHz 72 60
T.H. Distortion
100uV Input 15.0 MHz % 1.5 4.0
Overload Distortion
5mV Input 15.0 MHz % 2.5 10
Current Drain mA 46 55
Local OSC Drop Out 7.3 MHz V 1.85 2.1
Tuning Indicator
On Sensitivity 15.0 MHz uVB 3.2 6.3
Tuning Step Frequency kHz 5 5
Test Conditions: FM
Modulation:
Mono:...................................................1000 Hz 75 kHz
Stereo:.............................................(L+R) 45% (L-R) 45%
Pilot:........................................................19kHz 10%
Output:........................................................1mW/32 ohms
Antenna Input:.....................................................75 ohms
FM Band
Condition Unit Nominal Limit
Frequency Range MHz 87.5~108.1 87.5~108.1
3% THD Sensitivity 1mW/32 Ohms 90.1 MHz uV dB 4.7 10
98.1 MHz uV dB 2.5 7
106.1 MHz uV dB 4.7 10
Usable Sensitivity 30 dB S/N 90.1 MHz uV 3.2 9
98.1 MHz uV 2.5 7
106.1 MHz uV 3.2 9
Auto Scan Stop Sensitivity 98.1 MHz uV 4.0 10
Tuning Indicator On Sensitivity 98.1 MHz uV 2.2 10
Maximum Output Power 1 mV Input 98.1 MHz mW 40 20
S/N Ratio 1 mV Input 98.1 MHz dB 62 50
Distortion 1 mV Input 98.1 MHz % 0.4 3
Output Power at 10% THD 98.1 MHz mW 37 20
AM Suppression 1 mV Input 98.1 MHz dB 48 30
-3 dB Limiting 98.1 MHz uV 1.6 4.0
DX-LOCAL Sensitivity Ratio
(3% THD) 98.1 MHz 15 -
Tone Control Effect at 10 kHz 98.1 MHz kHz 13 9~17
Image Rejection Ratio 106.1 MHz dB 34 22
I.F Rejection Ratio 90.1 MHz dB 60 50
Spurious Response 98.1 MHz dB 74 50
Capture Ratio 100 uV Input 98.1 MHz dB 3.0 6
Alternate Channel Selectivity
at 100 uV Input 98.1 MHz dB 25 15
De-emphasis 100 Hz dB -2 -1~-3
8 KHz dB -11 -8~-14
Overload 100 mV Input 98.1 MHz % 0.6 3.0
Current Drain mA 45 51
Oscillator Drop Out V 1.8 2.1
STEREO
Stereo Separation 1 mV Input 100 Hz dB 25 20
1 kHz dB 38 30
10 kHz dB 27 20
Distortion at 1 mV Input 1 kHz % 0.3 3
Stereo Beacon Sensitivity uV 1.6 7.1
38 kHZ Leakage 1 mV Input dB 34 28
Pilot Modulation 1 mV Input % 3 7
Note: Nominal Specs represent the design specs. All units should be able
to approximate these - some will exceed and some may drop slightly
below these specs. Limit specs represent the absolute worst
condition that still might be considered acceptable; in no case
should a unit fail to meet limit specs
(RLR/all-02/27/95)
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