TS-590SG
21
Ref. No.
Use / Function
Operation / Condition / Compatibility
IC308
OR gate IC
Buffer for VBINT signal
IC309
EEPROM
IC310
Analog multiplex-
er
A/D port selection of MCU
IC311
Buffer with 3-state
output
Data control of DSP
IC312
Buffer
Voltage conversion: 5V
→
3.3V
(for TTI and TSI signal)
IC313
Buffer
Voltage conversion: 3.3V
→
5V
(for TTO and TSO signal)
IC314
Buffer
Buffer for CLK signal
IC315
Reset IC
BKC detection
IC316
OR gate IC
Delay time control of FOE
IC317
OR gate IC
Logic IC for IC311 control
IC501,502
Buffer
Voltage conversion: 3.3V
→
5V
IC504
5V AVR
5V voltage regulator
IC505
3.3V AVR
3.3V voltage regulator
IC601
DDS
LO3 generator
IC651
Shift register
Q1: I/O update
Q2: FM_TX
Q3: IFB
Q4: IFA
Q5: BPF1
Q6: BPF2
Q7: BPF3
Q8: BPF4
IC801
PLL
LO1 reference generator
IC802
1.8V AVR
1.8V voltage regulator
IC803
DDS
LO1 generator
IC804
Amplifi er
Wide band amplifi er
IC901
Level converter
RS-232C level converter
IC902
OP amplifi er
USB audio amplifi er
IC903
CODEC
USB audio IC
IC904
AND gate
USB audio IC control
IC905
USB hub
IC906
USB-UART
bridge
Q1~4
Switching
Power supply control of 3.3V
(ON when power is ON)
Q61
Ripple fi lter
For audio amplifi er VCC
Q62
Switching
Detection signal mute switch
Q63,64
Switching
FMOD and TIF signal ON/OFF
analog switch control (IC68)
Q65
Buffer
Buffer amplifi er for ANO output
Q66,67
Switching
ANI and UAO signal ON/OFF
analog switch control (IC80)
Q501
Crystal oscillation
circuit
Crystal oscillation circuit
(15.6MHz)
Q502
Buffer
15.6MHz buffer
Q503
Doubler
Frequency doubler
(15.6MHz x 2 = 31.2MHz)
Ref. No.
Use / Function
Operation / Condition / Compatibility
Q504,505 Doubler
Frequency doubler
(31.2MHz x 2 = 62.4MHz)
Q506
Amplifi er
LO2 output amplifi er
Q601
Buffer
DDS reference buffer
Q602
Buffer
LO3 output buffer
Q651,652 Switching
BPF4 selection switch
Q653,654 Switching
IFB selection switch
Q655,656 Switching
BPF1 selection switch
Q657,658 Switching
IFA selection switch
Q659,660 Switching
BPF2 selection switch
Q661,662 Switching
BPF3 selection switch
Q663
Amplifi er
LO1 output amplifi er
Q664
Switching
LO1 output LPF cutoff control
switch
Q801
Buffer
PLL reference buffer
Q802
Switching
FM modulation switch
Q803
Switching
PLL LPF cutoff control switch
Q804
Amplifi er
PLL F-in amplifi er
Q805
Filter
Ripple fi lter
Q806
VCO
Q807
Amplifi er
VCO amplifi er
Q808
Amplifi er
DDS reference amplifi er
Q901,905 Switching
RS-232C IC power supply control
switch
Q902,906 Switching
USB IC power supply control
switch
Q903,907 Switching
USB audio IC active signal switch
Q904,908 Switching
USB-UART bridge IC active Sig-
nal Switch
D1
Switching
Catch diode for 3.3V switching
regulator
D2
Switching
Catch diode for 8V switching
regulator
D3~6
Voltage shift
Temperature compensation
D7~9
Reverse current
prevention
For MIC data
D61
Poly-switch
Current limit
D62
Reverse current
prevention
For MIC supply (8V)
D101
Mute
For AF mute
D301
6.2V zener diode
Voltage shift
D302
Reverse current
prevention
For SS signal
D304
Switching
D501
Switching
LO2 output switch
D651
Switching
IFA selection switch
D652
Doubler
DDS output frequency doubler
D653
Switching
LO1 BPF3 selection switch
COMPONENTS DESCRIPTION
Summary of Contents for TS-590SG
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