Difference between revisions of "R-390~URR"

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* '''11-856''' Radio Receiver [[R-390~URR]].  Dept. of the Army and the Air Force.  Jan. 1955.  134 p. U408.3.A13 TM 11-856 Jan. 1955  {{pdf|TM 11-856 1955.pdf|TM 11-856 1955}}
 
* '''11-856''' Radio Receiver [[R-390~URR]].  Dept. of the Army and the Air Force.  Jan. 1955.  134 p. U408.3.A13 TM 11-856 Jan. 1955  {{pdf|TM 11-856 1955.pdf|TM 11-856 1955}}
  
* TM 11-5820-358-10/-20/-35 (R-390A) {{pdf|TM-11-5820-358-10.pdf - RadioNerds|TM 11-5820-358-10}}
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* TM 11-5820-357-10/-20/-35
  
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==See Also==
  
 +
* [[R-390A~URR]]
  
 
[[Category:Military/Radios]]
 
[[Category:Military/Radios]]
 
{{DISPLAYTITLE:R-390/URR}}
 
{{DISPLAYTITLE:R-390/URR}}

Latest revision as of 14:05, 14 May 2019

Technical Details

Frequency Range
0.5 to 32 mHz
Type of Signals Received
CS, MCS, Voice, SSB, FSK
Type of Tuning
Continuous; frequency read directly on counter type indicator.
Method of Calibration
Built in Crystal-controlled
Calibration Points
Every 100 kHz
Selectivity
16, 8, 4, 2 Khz with LC filters, 1 and 0.1 Khz with crystal filters
First IF
variable 9 - 18 Mhz, only from 0.5 to 8Mhz
Second IF
Variable 2 -3 Mhz on all bands
Third IF
fixed 455 Khz
Sensitivity
better than 1μV inCW/SSB, better than 3μV inb AM
Power output local
500 mw 600ohm
Power output audio line
10 mw 600ohm
Power Source
115 or 230 Volts +-10% 50-60 Hz, 270 Watts Total; 170 watts with OVENS switch turned to OFF
Dimension and weight
L 48.3 cm(19"), H 26.6 cm(10.5"), P 43.8 cm (17.25"), 29.5 Kgr

Reference File

  • 11-856 Radio Receiver R-390~URR. Dept. of the Army and the Air Force. Jan. 1955. 134 p. U408.3.A13 TM 11-856 Jan. 1955

Adobe PDF icon.png TM 11-856 1955

  • TM 11-5820-357-10/-20/-35

See Also