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I
TABLE 1-1. RA6790/GM HF RECEIVER SPECIFICATIONS (Cont.)
Image and Spurious
Rejection
Internal Spurious Responses
Outputs
Environmental
Power Consumption
Power Requirements
Dimensions
Weight (approximate)
Greater than 80 dB, for signals at least
±
50 kHz from tuned
frequency.
< -124 dBm
1. IF': Frequency 455.kHz, Impedance 50 Ohms. Level-
10 dBm nom. Connector BNC.
2. Following outputs available at rear panel audio
co~nector
(25 pin Type D).
AF: 100 Hz to 16 kHz for'-3 dB.
a. 1 W nominal into 8 Ohm load. Distortion < 3% at 500 mW.
b. Monitor: Metered AF line output. -1 mW, 600 ohms balanced
<2% distortion. All receiver modes selectable at front panel.
c. Line
1. AF
line output. 1 mW, 600 ohms balanced <2%
distortion. Operable only with ISB option. All modes select
at front panel except LSB.
d. Line 2. AF line output. 1 mW, 600 ohms balanced <2%
distortion. Operable only with ISB option, OSB mode.
AGC: Diversity Connection with ground which provides dc
voltage 10 volts to 4 volts to signal levels between
. threshold and +110 dB. Similar connection for ISB
channel when fitted.
Fault: Indication of fault condition is available at the rear
. • . ···panel...
..."..
' .
3: Phone: 30tnW into 600 Ohm load. Distortion <3% at
·10mW, ....
Connector:
F~ontPanelPhone
Jack
4. REFERENCE OUT: Selectable TCXO Reference frequency
of either I, 5, or 10 MHz (selected by links on A8 assembly)
Connector: Rear panel BNC
1. Operating Temperature: OOC to 50
0
C
.,
Operating Humidity: 10% to 85% non-coriderising.
3. Altitude: Operation to 15,000 ft.
4. Bench Handling:·
MIL~STD-810C,
Method 516.2, Procedure V
5. Vibration: MIL-STD-810C. Method 5142 Procedure X
6. Storage Conditions:
a. Temperature Range: -40°.c to +70
0
C
b. Relative Humidity: 10% to 95% non-condensing.
c. Altitude: Up to 40,000 feet
d. Fungis: Fungi identified in MIL-STD-81 0, Method 508.1,
Procedure I.
Less
than 40 Watts (nominal)
115/230 Vac:!: 10%,48 Hz to 420 Hz, single phase.
Suitable for 19 inch (48.3 em) rack or desk top console mounting:
Heights:
5.25 in. (13.33 em)
Width:
19 in. (48.3 cm)
Depth:
18.5 in. '(47 cm)
32 lbs. 04.5 kg)
1-8
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