LG GSA-4167B - Manual (Page 52)

Block Diagram
56
RFIP
RFIN
Pick
I/F
0.068u
0.068u
IDGATE
TISH1 AGFU AGFR
EQ-
AUTO
RF
LPP
Wobble F0-CNT
AGC3 BPF SUB
AGC1
DPD
TE BALANCE
FE
FE
RECD
SAV
MIRR
DEFECT
TIE
R-OPC
OPC APC
Serial
Cont.
Reg.
VREF
Power
Cont. Programm
able I/O
port
SIGM
PE
HFSUM
BALANCE
AGC2
COMP
EQ
HP3 RF
AGC HP2
ID
DET
S/H
S/H
S/H
WRF
MUX
RF SLIM/SUB
(RGA)
M
U
X
M
U
X
M
U
X
M
U
X
AGHPF2 RFHLD/ SPDSH LO_ZB/ IREFE EQFCF
EQOP
EQON
MA
MB
MC
MD
SA
SB
SC
SD
HAVC
MPDSH/
WOB
main
sub
4
4
2
SUBO/LPPMON
SUBI/LPPSIG
BHC
IP1/LPPOUT
D
WOBSIG
WAG3
WAG1
WAG2
WBLSH
MCLK
TE
FE
PE
HFPE
mclk
IREFT
RRF
WRF
BLANK
TOPH
BOTH
DFT
RECD
SPBLVL/TISH2
PHBETA/TCE
BHBETA/TIE
MRSTB
SDEN
SCLK
SDATA
BCENT
SPBLVL
SIGM
each blocks
WGATE
WGATE
RFPDSH
FMD
FVREF
PWRMON
VRDCN
VRDC
LDOUT
BHOUT
0.068u
0.033u
0.12U
0.12U
0.1U
12k
(*2)
3300p 0.1u
0.47u
D
D
D
LO_ZB/SPDSH
pin
D
D
D
D
D
D
D
D
D
D
D/A
D
SUBP.N
IP2/MIRR
D
SUBW
BPO
to MIRR.DEFECT
EQOP/N
BPO
2200p
SPDSH
RFHLD/TISH1 pin
VRDC2N/
RFHLD/TISH1 pin
GND2 VDD1 GND3 VDD2 GND4 VDD3 GND5 VDD4 VDD5 GND1 vCC2
D D D
VREF1
...Combined pin
...digital pin D
...digital/analog pin D/A
power 5V power 3.3V(VDD)
4700p
15,000p
VREF1
GCAOUT
MIRRTOPH
MIRRBOTH
MIRRHPF
pick-up I/F
reference level
AWOBSIG
WOBFCF
VREF1
LO_ZB/SPDSH
PWWMON
D
LNDTRK
mclk
mclk
mclk
SHPE
ATEST
SUMF/ SUMF2
8200p
680k 3.3u
*3300P/0.068u
0.47u
0.1u 0.033u
0.033u
(*1), (*2)...1% Resistor
toLPF,A/D
toLPF,A/D
toLPF,A/D
toLPF,A/D
toLPF,A/D
toLPF,A/D
to LPF,A/D
*HPF fc=1kHz
to A/D
*3300p
Lo-Z function by IDGATE.
fast mode 3.3us
Lo-Z function by IDGATE.
0.1u
20k(*1)
LPPMON/EQOS/RRF/WRF
EQOS
VFREFO
10u
VREF1
SRVREF
power 3.3V
VHALH(=VDD/2)
VREF1(=2.1V)
FVREFO(=2.5V)
MPP SPP
to LE
MPP
SPP
SUMF2
to WRF
SUMF2
In the case of
analog APC
vCC1
LE
toLPF,A/D
IP2/MIRR pin
MIRR
MIRR
AGHPF1
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
0.1u
0.01u
0.01u
PORT00~07.10~13
D
12
AIN1~3
3
VRDC3N
.
.