TA2042F
Features
- Low noise: VNI = 0.7µVrms (typ.)
(Rg = 620Ω, BW = 20~20k Hz, NAB)
- No input coupling capacitor
- High voltage gain: GVO = 100d B (typ.) (VCC = 9V, f = 1k Hz)
Weight: 0.31g (typ.)
- Built- in forward / reverse control switch.
- Built- in selecting the sensitivity of the music interval detection circuit.
- Built- in muting function.
- Operating supply voltage: VCC (opr) = 6~15V
1 2002-10-30
Block Diagram
2 2002-10-30
Application Information
1. Forward, reverse select switch (1) Threshold voltage Pin(20) is coupled to the base of Q1 (PNP-Tr) as shown in Fig.1. The remended forward, reverse select circuit is shown in Fig.2.
2. Equalizer control switch Pin(21) is coupled to the base of Q2 (PNP-Tr) as shown in Fig.3.
3. Mute control switch Pin(22) is coupled to the base of Q3 (PNP-Tr) through 10kΩ resistance as shown in Fig.4.
3 2002-10-30
4. Sensitivity select switch Pin(23) is to select the sensitivity of music search.
5. Music search...
