Showing posts with label 8. Show all posts
Showing posts with label 8. Show all posts
Sunday, September 7, 2014
5 8 Watt Audio Power Amplifier
This schema use TA7222AP to amplifiers audio signal .The price only $0.99 and can provide 5.8 watt with Muting Control.Power supply can use for 8-12Vdc it is a good idea to use for car audio power amp , coin-op machine game, security system etc.
Fig 1. TA7222AP pin out
| Pin | Name | Description |
|---|---|---|
| 1 | Vcc | Supply Voltage |
| 2 | RR | Ripple Reject |
| 3 | MC | Muting control |
| 4 | OP | AF Signal Input |
| 5 | FB | FB Filter |
| 6 | GA | Gain adjust |
| 7 | GND | Ground |
| 8 | GND | Ground |
| 9 | OP | AF Output |
| 10 | BS | BootStrap |
Fig 2. schematic for 5.8 watt audio power amplifier
Saturday, August 23, 2014
2 X 1 8 Watt stereo low power amplifier circuit
This is Low power amplifier , based on IC TDA2824 product of Philips. Maximum output is about 2 X 1,8 Watt , these include low output amplifier type. Minimum required voltage 3 Volts and maximum voltage of 18 volts DC.
Specification :
- Supply Voltage : 3 - 18 Volts
- Power Output : 2 x 1,3 Watts
- RL impedance : 4 Ohms
- Frequency responses : 30Hz -18kHz
- Quiescent current : 6 mA
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