Baza Porad Serwisowych
1
PD
RFIN1 11 +
15-BIT f
DIV
CHARGE
PRESCALER
PROGRAMMABLE
14
UD
RFIN2 12 _
: 8 PUMP
DIVIDER
Q1 TO CP
2
f
7.8125 kHz
REF
OSCILLATOR DIVIDER
4 MHz
N=512
3
Q2
f
f
DIV
DIV
<
>
fREF fREF
15-BIT LATCH
POWER DOWN
LOGIC
DIVIDER RATIO
DETECTOR
IN-LOCK
POR DETECTOR
OS
FL
SCL 5
IIC-BUS
LATCH 3
RTANSCEIVER
CONTROL DATA
SDA 4
13 VEE
3-BIT LATCH
ADDRESS
SELECTION PORT INFORMATION
T1
GATE
VCC
10
TSA 5515T
7
9 8 6
AS
P1 P2 P7
Rys. 8. Schemat blokowy układu syntezera częstotliwoS
ci PLL TSA5515T.
SERWIS ELEKTRONIKI