1996 May 31

8

Philips Semiconductors

Preliminary specification

PLL stereo decoder and noise blanker

TDA1592

Notes

1. Intermodulation suppression [Beat Frequency Components (BFC)]:

;

;

2. ARI suppression:

3. Subsidiary Communication Authorization (SCA):

;

4. Adjacent Channel Interference (ACI):

;

;

HCC (pin 15, pin 7 to GND)

control range of de-emphasis

see Fig.9

for European standard

15

−

90

µs

for USA standard

22

−

135

µs

control voltage (pin 15 due to pin 17) in both

standards

−

0

−

mV

−−300 −

mV

−−±200 mV

Noise interference detector

trigger sensitivity

−

10

−

mV

trigger threshold voltage offset as a function of

150

200

250

mV

550

650

750

mV

AF suppression time; pulse width

−

40

−µs

input offset current (pins 13 and 14)

during AF suppression

time

−

20

−

nA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

IM2

V

()

V

()

--------------------------------------------------------

=

f

s

2

10 kHz

×

() 19 kHz

–

=

IM3

V

()

V

()

--------------------------------------------------------

=

f

s

3

13 kHz

×

() 38 kHz

–

=

α

V

()

V

23 Hz

±

()

-----------------------------------------------------------------------------

=

α

67

V

()

V

()

--------------------------------------------------------

=

f

s

238 kHz

×

() 67 kHz

–

=

α

114

V

()

V

()

--------------------------------------------------------

=

f

s

110 kHz

3

38 kHz

×

()

–

=

α

190

V

()

V

()

--------------------------------------------------------

=

f

s

186 kHz

5

38 kHz

×

()

–

=