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MBA543 - 1

TEA6101T

VOLTAGE

REFERENCE

ADDER

ADDER

ADDER

100

Ω

R3

TIMING

MODE SELECT

MEMORY

COMPARATOR

4 - STAGE

JOHNSON

COUNTER

19

18

17

16

&

1

STABILIZER

OFFSET

12

k

Ω

R1

1.5

k

Ω

LOW - PASS

FILTER

HIGH - PASS

FILTER

offset

voltage

V (min)

ADDER

&

&

&

&

Vref

VU

VI

3

MUTE

MONOSTABLE

MULTIVIBRATOR

offset

complete

stop

reset

reset

0.47

µF

audio input

33

nF

ADDER

ADDER

VOLTAGE

REFERENCE

33 k

Ω

1.5 k

Ω

1

µF

R2

14

20

k

Ω

offset

voltage

20

k

Ω

3.6 V

delay soft mute

level input direct

3.3

nF

level input

via

capacitor

1

µF

7

5

6

4

8

11

10

13

9

1

20

12

15

2

ground

47 nF

level

averaging

test pin

memory

timing

control

to

antenna

switch

LOAD

reference

voltage

supply

noise

averaging

0.1

µF

not connected

audio output

modulus output

3.3 k

Ω

Fig.1 Block diagram.