TDA7540B datasheet(49/75 Pages) STMICROELECTRONICS

49 / 75 page

TDA7540B

Software specification

49/75

Disable ISS filter to fixed bandwith (ISS80) in automatic

control

Enable ISS filter to fixed bandwith (ISS80) in automatic

control

Table 23.

Addr 12 Softmute Control 1

MSB

LSB

Function

Startpoint mute 0 in application about 3dBµV antenna level

Startpoint mute 1 in application about 4dBµV antenna level

---

Startpoint mute 7 in application about 10dBµV antenna level

Mute depth 0 in application 18dB

Mute depth 1 in application 20dB

Mute depth 2 in application 22dB

Mute depth 3 in application 24dB

----

- (logarithmically behaviour)

Mute depth 15 in application 36dB

FM mute disable, (has to be 0 in AM mode)

FM mute enable

Table 24.

Addr 13 Softmute Control 2

MSB

LSB

Function

Disable mute threshold for ISS filter “ON”

Enable mute threshold for ISS filter “ON”

AC mute depth 10dB

AC mute depth 8dB

AC mute depth 6dB

AC mute depth 4dB

AC mute threshold 60mV

AC mute threshold 80mV

AC mute threshold 100mV

----

AC mute threshold 340mV

Table 22.

Addr 11 Quality Deviation Detection (continued)

MSB

LSB

Function

TDA7540B Fiches technique(PDF) 49 Page - STMicroelectronics

TDA7540B Fiches technique(HTML) 49 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75

Fiches technique Télécharger

Lien URL