Difference between revisions of "R-390~URR"

Revision as of 13:53, 14 May 2019

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

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

Revision as of 13:51, 14 May 2019 (view source) Cdewit (talk \| contribs) (→‎Reference File) ← Older edit		Revision as of 13:53, 14 May 2019 (view source) Cdewit (talk \| contribs) (→‎Reference File) Newer edit →
Line 34:		Line 34:
	* '''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)	+	* TM 11-5820-358-10/-20/-35 (R-390A) {{pdf\|TM-11-5820-358-10.pdf - RadioNerds\|TM 11-5820-358-10}}