Philips Semiconductors
Product specification
Signal-sources switch
TDA1029
Fig.10 TDA1029 connected as a third-order active high-pass filter with Butterworth response and component
values chosen according to the method proposed by Fjällbrant. It is a four-function circuit which can select
mute, rumble filter, subsonic filter and linear response.
Switch control
function
V
V
V
13-16
11-16
12-16
linear
H
H
H
subsonic filter ‘on’
rumble filter ‘on’
mute ‘on’
H
H
L
H
L
L
X
X
X
January 1980
13