FM1246/HM/I PHILIPS [NXP Semiconductors], FM1246/HM/I Datasheet - Page 16

• Manufacturer Part Number: FM1246/HM/I
• Description: Desktop video & FM radio module system CCIR I
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Components
1997 May 14
handbook, halfpage
handbook, full pagewidth
Desktop video & FM radio module
system CCIR I
video S/N
(dB)
PLL IC
70
50
30
10
20
R1
R2
V CC
Fig.3 I
2
C-bus load.
100
100
100
Fig.4 Typical video signal-to-noise ratio versus RF input level.
R3
R4
R5
40
C1
56 pF
C2
22 pF
C3
22 pF
15
14
13
AS
SDA
SCL
CCA507
60
16
Video buffer
A video buffer is built into the video module to enable the
unit to drive a 75
I
The FM1246 contains a series resistor (R = 100 ) in the
SCL and SDA lines. Both lines also have a capacitive load
of typical 22 pF (see Fig.3).
2
C-bus load
80
load directly.
100
RF input level (dB V)
Preliminary specification
FM1246
CCA651
120