
D - 2 - 2
• MAIN-D UNIT
an drive circuit
Fan drive circuit
APC amplifier*
APC amplifier*
(IC1250: TA75S01F)
(IC1250: TA75S01F)
TX mixer*
TX mixer*
(IC960:
(IC960:
µ
PC8163TB-E3)
PC8163TB-E3)
X 1st mixer
RX 1st mixer
C71:
(IC71:
µ
PC2721GV)
PC2721GV)
TX RF amplifier
TX RF amplifier
(IC1021:
(IC1021:
µ
PC1678G)
PC1678G)
Wide FM detector
Wide FM detector
(IC271: MC3356DW)
(IC271: MC3356DW)
X RF amplifier
RX RF amplifier
Q1: NE34018)
(Q1: NE34018)
st VCO circuit
1st VCO circuit
X 2nd mixer
RX 2nd mixer
Q131: 3SK241)
(Q131: 3SK241)
nd VCO circuit
2nd VCO circuit
GMSK modulator*
GMSK modulator*
(IC890: RF2485)
(IC890: RF2485)
an drive circuit
Q1250: 2SB798
Q1251: MA4081
APC amplifier*
(IC1250: TA75S01F)
TX mixer*
(IC960:
µ
PC8163TB-E3)
X 1st mixer
C71:
µ
PC2721GV)
TX RF amplifier
(IC1021:
µ
PC1678G)
MSK reciever
(IC271: MC3356DW)
X RF amplifier
Q1: NE34018)
st VCO circuit
X 2nd mixer
Q131: 3SK241)
nd VCO circuit
uadrature modulator*
C890: RF2485)
APC amplifier*
APC amplifier*
(IC1250: TA75S01F)
(IC1250: TA75S01F)
Power amplifier*
(IC1160: M57762-02)
(
• LOGIC-D UNIT
USB controller
USB controller
(IC550: FT232BL)
(IC550: FT232BL)
FPGA
FPGA
(IC200: XCS20XL-4TQ144I)
(IC200: XCS20XL-4TQ144I)
Buffer IC
Buffer IC
(IC901: TC74AC541FT)
(IC901: TC74AC541FT)
+5V regulator
+5V regulator
(IC500: TA7805F)
(IC500: TA7805F)
GMSK modem
GMSK modem
(IC150: CMX589AD5)
(IC150: CMX589AD5)
USB controller
(IC550: FT232BL)
FPGA
(IC200: XCS20XL-4TQ144I)
Buffer amplifier
(IC901: TC74AC541FT)
CPU
(IC50:
µ
PD70F3102AGJ)
+5V regulator
(IC500: TA7805F)
GMSK modem
(IC150: CMX589AD5)
*: Located under side of this points.