Eton E1 Weather Radio User Manual


 
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etón E1 SPECIFICATIONS
E
1
M
ANUAL
Audio Power (internal or external speaker):
1.25 W nominal - battery operation
3 W nominal - Operation from 9 VDC
AC Adapter
Internal Speaker: 4" (10.16 cm). 8 Ohms
Line Audio Output
• Stereo left and right.
• 300 mV,1K ohms for each output.
Line Audio Input: 300 mV, 47K ohms
Line Audio Input Jack: 1/8 inch (3.175 mm) stereo
Headphone Jack: 1/8 inch (3.175 mm) stereo
DC Power Requirements:
Input:7-14 VDC, supplied from AC ADAPTER W all
Transformer,external DC Power Supply or 3.6 to 6.0
VDC supplied by (4) internally mounted "D” cell
(I.5V) batteries (not supplied). Current requirements
(approximate) from 9.0
VDC Supply:
Worst case at max volume
850 mA nominal with lamp off
900 mA nominal with lamp on
Current requirements from Batteries with 1/4 W
average Audio Output:
Nominal battery currents
FM mode:
- 175 mA backlight off
- 225 mA backlight on
LW/MW/SW:
- 210 mA backlight off
- 260 mA backlight on
Operating Temperature: 0º to +50ºC
Shipping Weight:
6 lbs (2.72 kg), (includes AC
ADAPTER) (batteries NOT included)
Size
Width:13-1/8" (33.37 cm)
Height:7-1/2" (19.05 cm)
Depth:2-9/16" (6.5 cm)
Supplied AC ADAPTER
Input: 120 VAC ± 10%, (USA Version)
Output:9 VDC @ 1 Amp maximum Center
conductor of connector is positive.Negative is
connected to input ground.
Frequency Range
AM,LSB, USB:
-
LW:100 to 500 kHz
- MW:500 to 1800 kHz
- SW:1800 to 30,000 kHz
FM:
- 76 to 90 Mhz or 87 to 108 MHz, selectable
Sensitivity: SSB (10 dB S+N/N)
Less than .25 :V 0.1 to 30 MHz (DX on)
Less than 0.5 :V,0.1 to 30 MHz (Normal)
Sensitivity:AM (10 dB S+N/N) (1000 Hz, 30%
Mod)
Less than 2.0 :V.0.1 - 30 MHz (DX on)
Less than 4.0 :V.0.1 - 30 MHz (Normal)
Sensitivity: FM (20 dB S/N) (monaural)
Less than 1.5 :V,87 - 108 MHz,(DX on)
Less than 4 :V,87 - 108 MHz,(Normal)
Frequency Resolution
10 Hz in SSB & AM modes
20 kHz in FM mode.
Frequency Stability: ± 10 ppm,0º to 50ºC
Frequency Accuracy: Better than ± 100 Hz, @ 25ºC
Selectivity - SSB,AM:
7 kHz @ -6 dB,less than 12 kHz @ -60 dB
4 kHz @ -6 dB,less than 9 kHz @ -60 dB
2.3 kHz @ -6 dB,less than 5 kHz @ -60 dB
IF Frequency - SSB,AM:
1st IF 45.0 MHz
2nd IF 455 kHz
FM: 1st IF:10.7 MHz (Single Conversion)
Image Rejection
Greater than 70 dB,0.1 to 30 MHz
Greater than 55 dB, 76 to 108 MHz
IF Rejection
• Greater than 80 dB, 45.0 MHz
• Greater than 80 dB, 455 kHz
IP3 - Intercept Point (@ 50 ohm Ant. Input)
Greater than +10 dBm @ 20 kHz spacing (Normal)
Greater than -20 dBm @ 5 kHz spacing (Normal)
- dBm @ 20 kHz spacing (DX)
-30 dBm @ 5 kHz spacing (DX)
AGC Performance
Threshold:1.0 :V
Attack Time:1 mSec - Bandwidth dependent.
Release Time
- SLOW:3 sec.
- FAST: 300 mSec.
Less than 2 dB change in audio output for 90 dB
RF input change referenced from the AGC threshold
point plus 3 dB.
Internal Antenna
39 1/4“ (1.003 meters) telescopic antenna (for use
on all bands).
External Antenna
50 to 75 Ohms,PAL type,Male (PAL to F type
adapter included)
External Speaker Output
4 to 8 Ohms.External jack is 1/8" (3.175 mm)
E1_manual_eng_APR06.qrk 5/5/06 10:22 AM Page 64