Power amplification

AN7114 Audio power amplifier circuit

AN7114 under Vvv = 6.0V, THD = 10%, RL = 8Ω, output power can reach 0.6W, noise output 3mV.
Limit parameters: Vcc = 11V, dissipated power (without heat sink) is 1.2W, and with heat sink is 2.25W. Working temperature -20-70 ℃, suitable for small portable radio recorders and audio equipment as power amplifier.

AN7114 Application Circuit

AN7115 Application Circuit
AN7115 Audio power amplifier circuit

Under the conditions of Vvv = 9.0V, THD = 10%, RL = 8Ω, the output power of AN7114 can reach 2.1W, and the noise output is 3mV.
Limit parameters: Vcc = 13V, dissipated power (without heat sink) is 1.2W, and 2.25W with heat sink. Working temperature -20-70 ℃, suitable for small portable radio recorders and audio equipment as power amplifier.

AN7114, AN7115 outline drawing

BA313 application circuit
BA313 with ALC recording and playback circuit

BA313 is a preamplifier circuit with built-in automatic level control circuit (ALC) for recording and playback. It is commonly used in cassette tape recorders. The 9-pin DIP dual in-line package has the following characteristics:
Wide range of automatic level control, wide operating voltage range (3-12V), high gain, low distortion, low noise.

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