U6225B Datasheet, PDF (9/12 Pages) TEMIC Semiconductors – 2.9 GHz PLL for SAT TV Receiver with Universal Bus

TELEFUNKEN Semiconductors
Input/Output Interface Circuits
Vref
1.5K
RF1
RF2
1.5K
Figure 7. RF input
95 10735
Vs
Crystal Q1
Crystal Q2
95 10736
Figure 8. Reference oscillator
Vs
SDA/SCL
SDA only
ACK
95 10737
Figure 9. SCL and SDA input
Rev. A1: 25.10.1995
U6225B
Vs
Port
Figure 10. Ports
95 10738
Vs
1K
AS/ENA
95 10739
Figure 11. Address select/ Enable input
Vs
2K
60
PD
OS
(O/P Disable)
VD
45K
Figure 12. Loop amplifier
95 10740
9 (12)