Sony CRF-230B - Page 3

CRF-230B
SECTION 1
OUTLINE
1-1. SECIFICATIONS
Circuit System: Superheterodyne (FM-1, FM-2, MW, LW, SW-1)
Double superheterodyne (SW-2 ~ SW-19)
Semiconductor: 27 transistors, 4FET for reception, 17 transistors
for auxiliary functions, 34 diodes, 2 thermistor
Frequency Coverage: FM-1 ; 76 -90MHz
, FM-2 ; 87.5 - 108 MHz
MW ; 530- 1,605 kHz (566 - 187 m)
LW; 150- 400kHz (2,000 - 750m)
SW-1
;
1.6-
4.5
MHz
(187
-
66
m
;
Marine
Band)
SW-2 ; 2.0-2.6 MHz (120m)
SW-3 ; 3.0-3.6 MHz (90 m)
SW-4 ; 3.5-4.1 MHz (75- 81 m)
SW-5 ; 4.5-5.1 MHz (60 m)
SW-6 ; 5.8-6.4MHz (49 m)
SW-7 ; 7.0-7.6 MHz (40 - 41 m)
SW-8 ; 9.5-10.1 MHz (31 m)
SW-9 ; 11.5-12.1 MHz (25 m)
SW-10; 14.0- 14.6 MHz (20 m)
SW-11; 15.0 - 15.6 MHz (19 m)
SW-12; 17.5-18.1 MHz (16 m)
SW-13; 21.0 - 21.6 MHz (15 m)
SW-14; 21.4- 22.0 MHz (13 m)
SW-15; 25.5 - 26.1 MHz (11 m)
SW-16; 26.8 - 27.4 MHz (11 m)
SW-17; 28.0 - 28.6 MHz (10 m)
SW-18; 28.6 - 29.2 MHz (10 m)
SW-19; 29.2- 29.8 MHz (10 m)
Intermediate Frequency: FM ; 10.7 MHz
MW, LW,SW-1; 455 kHz
SW-2~SW-19; Ist: 1.6- 2.2 MHz
2nd: 455 kHz
Antenna
System:
FM
;
telescopic
antennas
1,000
mm
2
pcs
external
antenna
terminals
(300.2,
75)
are
provided
MW,
LW
;
built-in
ferrite
bar
antenna,
10¢
x
180
mm
external
antenna
terminal
is
provided
SW-!
~
SW-19
;
telescopic
antenna
1,470
mm
external
antenna
terminal
is
provided
Power Requirement: AC 100, 120, 220, 240V, 5%p Hz (c/s)
DC 9V,_ battery (size “D’’) 6 pcs
DC 12V, with SONY car battery cord DCC-2AW (optional)
Power Output: 4W with AC power supply
at 10% distortion 1.5W with DC power supply
Current Drain: AC 180mA
at zero signal DC 90mA
Maximum Sensitivity: FM ; -2dB (0.8yuV)
at output 50 mW, S/N 6dB MW ; 28dB/m (25 4V/m)
LW ; 36dB/m (63 uV/m)
SW ; OdB (1uV); average