U4460BG Datasheet, PDF (6/9 Pages) TEMIC Semiconductors – Video IF Amplifier with FPLL Demodulation

U4460BG
TELEFUNKEN Semiconductors
Loop
comp.
+V_S AFC
AFC
switch
Loop
filter
10 kW
n.c.
n.c. n.c.
L_VCO
150 W
6.8 pF
C_VCO
470 nF
C_Ref
2.2 mF
28 27 26 25 24 23 22 21 20 19 18 17
n.c. n.c.
16 15
U4460BG
1
2
3
n.c. n.c.
4
5
6
7
8
9 10 11 12 13 14
n.c.
n.c. n.c.
n.c.
2.2 mF
10 kW
AGC (VIF)
VIF
Tuner
delay Tuner Video
AGC
Figure 3. Test circuit
Internal Pin Configuration
2 kW
4.2 V
2 kW
2.3 V
94 8524
Figure 4. Video IF input (Pin 5–6)
94 8525
Figure 5. VIF–AGC time constant (Pin 7)
6 (9)
Preliminary Information
Rev. A1: 15.08.1995