Audio Line Driver Circuit

By walt jung and adolfo garcia download pdf.

Audio line driver circuit.

Ic sockets are optional. The response graph shows the measured frequency response with the differential feed a balanced line driver figure 1 and receiver figure 2. A stereo pair will fit on the d4 prototyping board with room to spare. Choose from our large selection of quality name brand line drivers.

In this article we consider audio line drivers and receivers. They help increase the volume output without over driving your source or amplifier. The very low output impedance of around 16 ohms at 1khz makes it possible to use ordinary bell wire loudspeaker or alarm cable for connection. This audio line driver circuit is used to drive the final stage of amplifier.

This is the circuit diagram of a two channel audio line driver using the high performance dual opamp ic tsh22 from st microelectronics. Balanced line driver that s 1646 balanced line driver is a very simple ic to implement requiring very few external components. Integrated operational amplifiers are not always suitable for applications where a high signal level u o v rms is required for driving a relatively low impedance z 50 600 ω the amplifier described here is eminently suitable as a high dynamic range line driver of power buffer in public address systems and af. Audio line driver circuit.

Op amps in line driver and receiver circuits part 2. The first article in this series analog dialogue 26 2 covering general line driving and buffer design considerations gave examples of video line driver and receiver designs. The video application uses lt1206 as a main components because it has output derive capability and suitable bandwidth. Figure 4 overall frequency response of differential feed and both circuits.

So that the lt1206 can also be used for audio applications. Audio line driver this preamplifier has a low output impedance and is designed to drive long cables allowing you to listen to a remote music source without having to buy expensive screened cables. The signal is 1db down at 10hz and 30khz which is pretty good considering the overall simplicity of the circuits. This is the circuit diagram of a two channel audio line driver using the high performance dual opamp ic tsh22 from st microelectronics.

The 25 mhz bandwidth low distortion and high output current of the ic makes it possible to drive medium impedance loads at a high level of modulation. Line drivers will enhance your audio signal output coming from any factory or aftermarket head unit receiver. Here is the schematic diagram. Audio systems by eliminating power line hum rf interference voltage drops and other externally generated noise commonly encountered with long audio cable runs.

The 25 mhz bandwidth low distortion and high output current of the ic makes it possible to drive medium impedance loads at a high level of modulation.