PT2390-S Princeton Technology Corp., PT2390-S Datasheet - Page 5

• Manufacturer Part Number: PT2390-S
• Description: Echo IC with Built-in Microphone Amplifier & Output Mixer
• Manufacturer: Princeton Technology Corp.

Echo IC with Built-in Microphone Amplifier & Output Mixer
APPLICATION CIRCUIT
Note: * = You can adjust the 5K Variable Resistor value in order to change the Oscillator Frequency. The
Ref. No. 2390 v1.1
Oscillator waveform can be measured from Pin No.12. It must be kept in mind that the probe’s
capacitor can cause erroneous oscillator waveform measurement.
Princeton Technology Corp.
8
Written July 1999
URL: http://www.princeton.com.tw
Fax: [phone]
Tel: [phone]
PT2390