Radio Shack DX 275 User Manual page 17

Test Conditions: FM
Modulation:
Mono:...................................................1000 Hz
Stereo:.............................................(L+R) 45% (L-R) 45%
Pilot:........................................................19kHz 10%
Output:........................................................1mW/32 ohms
Antenna Input:.....................................................75 ohms
FM BAND
Frequency Range
3% THD Sensitivity 1mW/32 Ohms
Usable Sensitivity 30 dB S/N
Auto Scan Stop Sensitivity
Tuning Indicator On Sensitivity
Maximum Output Power
S/N Ratio
Distortion
Output Power
AM Suppression
-3 dB Limiting
DX-LOCAL Sensitivity Ratio
(3% THD)
Tone Control Effect
Image Rejection Ratio
I.F Rejection Ratio
Spurious Response
Capture Ratio
Alternate Channel Selectivity
at 100 µV Input
De-emphasis
Overload
Current Drain
Oscillator Drop Out
STEREO
Stereo Separation
Distortion
Stereo Beacon Sensitivity
38 kHz Leakage
Pilot Modulation
Note: Nominal Specs represent the design specs.
to approximate these - some will exceed and some may drop slightly
below these specs.
condition that still might be considered acceptable; in no case
should a unit fail to meet limit specs
(RLR/all-02/27/95)
Condition
90.1 MHz
98.1 MHz
106.1 MHz
90.1 MHz
98.1 MHz
106.1 MHz
98.1 MHz
98.1 MHz
1 mV Input 98.1 MHz
1 mV Input 98.1 MHz
1 mV Input 98.1 MHz
at 10% THD 98.1 MHz
1 mV Input 98.1 MHz
98.1 MHz
98.1 MHz
at 10 kHz 98.1 MHz
106.1 MHz
90.1 MHz
98.1 MHz
100 µV Input 98.1 MHz
98.1 MHz
100
8
100 mV Input 98.1 MHz
1 mV Input 100 Hz
1 kHz
10 kHz
at 1 mV Input 1 kHz
1 mV Input
1 mV Input
Limit specs represent the absolute worst
Unit Nominal
MHz 87.5~108.1
µV dB 4.7
µV dB 2.5
µV dB 4.7
µV 3.2
µV 2.5
µV 3.2
µV 4.0
µV 2.2
mW 40
dB 62
% 0.4
mW 37
dB 48
µV 1.6
15
kHz 13
dB 34
dB 60
dB 74
dB 3.0
dB 25
Hz dB -2
kHz dB -11
% 0.6
mA 45
V 1.8
dB 25
dB 38
dB 27
% 0.3
µV 1.6
dB 34
% 3
All units should be able
75 kHz
Limit
87.5~108.1
10
7
10
9
7
9
10
10
20
50
3
20
30
4.0
-
9~17
22
50
50
6
15
-1~-3
-8~-14
3.0
51
2.1
20
30
20
3
7.1
28
7