TDA8505 Datasheet, PDF (19/32 Pages) NXP Semiconductors – SECAM encoder

Philips Semiconductors
SECAM encoder
PIN
2
NAME
MCONTR
CIRCUIT
B
Preliminary specification
TDA8505
DESCRIPTION
multiplexer control input:
<0.4 V Y, U and V
>1 V R, G and B
3
−(B−Y)
4
FH/2
see pin 1
−(B−Y) input; connected via 47 nF
capacitor; 1.33 V (peak-to-peak
value) for EBU bar of 75%
FH/2 input; forcing possibility;
when not used this pin is
connected to ground
5
Y
6
TEST
see pin 1
Y input; connected via 47 nF
capacitor; 1 V (peak-to-peak
value) for EBU bar of 75%
test pin; connected to V_CC or left
open-circuit
July 1994
19