APPLICATION EXAMPLE
MITSUBISHI ICs (TV)
M64898GP
PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC
BUILT-IN PLL TUNER
IF
AGC
IF
AGC
VHF
UHF
VCC1 to 9V
+5V
4-BAND TUNER
+B
BS4
BS3
BS2
BS1
LO
-
1000pF
M64898GP 4
5
6
7
8
1
AFT
Note) Filter constant is
for reference.
∗ Add a capacitor to stabilize
the filter circuit.
VT
0.01µF
56k
∗100pF
33µH
0.1µF
43
680pF
56k
22k
0.1µF
68µH
14
13
9
10
11
3
-
1000pF
BAND
DRIVER
4
MAIN
COUNTER
9/10
SWALLOW
COUNTER
5
AMP
1/8
1/32
1/33
Q
SR
CHARGE
PUMP
+-
PHASE
DETECTOR
Vreg
SELEC-
TER
18/19 bit
SHIFT RESISTER
DATA LATCH
LOCK
DETECTOR
VCC1=5V
19 17 18
15
1.5µF
12
2
15
18pF
20 4MHz
DATA CLK ENA
MCU
LD/ftest
Units Resistance : Ω
Capacitance : F
8