TYPE
12V
FILTER
CONSTANT
TX-V
U1:
VOLTAGE
SP0406-101J-PF
CIRCUIT
U3:TA78L005AP
OUTPUT
OUTPUT
DRIVING
OSCILLATION
TRIGGER
OUTPUT
MATCHING
AMPLIFIER
AMPLIFIER
CIRCUIT
T1:***
Q1˜Q6:2SK725
Q7,Q9:2SC1815
U2:TC4069UBP
C3,C4,C5:***
Q8,Q10:2SA1015
D/A
GAIN , TVG
CONVERTER
CONTROL
TRANSDUCER
Tx/Rx
U4:74HC244
SIGNAL
CHANGEOVER
D1˜D6:
CIRCUIT
ERB44-10
AUDIO CIRCUIT
AUDIO
U6:TL082
INPUT
INPUT
GAIN , TVG
TRAP
AMPLIFIER
AMPLIFIER
AMPLIFIER
DETECTION
RECE
IVE
MATCHING
CONTROL
CIRCUIT
CIRCUIT
OUTPUT
T2:M10-***
Q11,Q12,Q13:
L2:M8-***
Q17:2SC1815Y
Q18:2SC1815Y
T8:M10-**
*
D14,D15:1SS108
2SC1815
T4:M10-***
T6:M10-***
Q14,Q15,Q16:
T5:M10-***
T7:M10-***
2SK170V
T3:M10-***
NO.685 TRANSCEIVER BOARD
Summary of Contents for S-1800H80/180
Page 44: ...N o 6 8 8 A...
Page 46: ......
Page 48: ......
Page 50: ...NO 748 H SYNC CH1 J15 3pin GND V SYNC CH2 J15 4pin GND...
Page 53: ......
Page 55: ...NO 654 FRQ CH1 FRQ GND P...
Page 64: ......
Page 67: ......
Page 69: ......
Page 70: ...180kHz HULL UNIT CIRCUIT DIAGRAM WAVE FORMS 180 kHz...
Page 73: ......
Page 75: ......
Page 81: ...70V...
Page 83: ...NO 703 CH1 FRQ GND P...
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Page 118: ......
Page 119: ...HULL UNIT ASSEMBLY DRAWING...