鉅發企業 ( 香港 ) 有限公司

         LM358 AC Amplifier, pre-amplifier has adjustable gain (amplification) up

to 100 times. It can be used as a pre-amplifier for any power amplifier, such as

Art. No. AU-06 and AU-07 power amplifiers, requiring higher gain or amplification

of audio signals. 

          It can be used as electret microphone amplifier in bird listening, 

eavesdropping, ceramic disc element vibration amplifier etc.

Supply voltage:  5 - 9V DC

Supply current:  10ma.

Voltage gain: 100 adjustable

Frequency response:  30Hz to 10KHz.

Input impedance: 10K ohm

Board dimensions: 35 x 14 x 14mm