APPLICATION INFORMATION (continued)

Figure 22. Two position DC tone control (10 dB boost 50 Hz and

20 KHz) using change of pin 1 resistance (muting function)

Figu re 23 . Fre quenc y re-

sponse of the circuit of fig. 22

Figure 24. 10 dB 50 Hz boos tone control using change of pin 1

resistance (muting function)

Figu re 25 . Fre quenc y re-

sponse of the circuit of fig. 24

Figure 26. Squelch function in TV applications

Figure 27. Delayed muting circuit

9/14

TDA1910