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2SC Transistor Datasheet pdf, 2SC Equivalent. Parameters and Characteristics. 2SC Rev.E Mar DATA SHEET 1 / 6. SOT 塑封封装NPN 半导体三极管。Silicon NPN transistor in a SOT Plastic Package . 2SC Audio Frequency General Purpose Amplifier NPN Silicon Epitaxial Transistor Mini Mold. AUDIO Details, datasheet, quote on part number: 2SC

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Could anybody help me to find a specific transistor for a preamplifier for Piezo pickups? The preamp works with the 3.

In the attachment I prepared a schematic of the preamp. Please help me to understand what vatasheet is used here. You forgot to tell us what the pickup is used for. The horrible circuit will work with an N-channel Jfet or NPN transistor if the piezo pickup is in a drum.

The circuit will not be a linear amplifier with a high input impedance if a Jfet is used. The circuit is designed to use an NPN transistor but will work poorly when a piezo pickup or magnetic guitar is used because its input impedance is too low. If an N-channel Jfet is used then its gate must have a 2. Use a 2N or 2N The pickup is a simple piezo-disc buzzer used in a very cheap throat microphone.


Now it works just lovely! The “horrible circuit” works actually very well. Do you think this transistor is possible? I just copied it from the PCB that was in the throat-mic housing.

2SC Datasheet(PDF) – TRANSYS Electronics Limited

It is a single layer PCB and simple enough not to make any error. The circuit you found will not work with a Jfet but will work with an NPN transistor and a low impedance signal source not a piezo.

A piezo throat mic is a contact mic. There is a similar circuit at http: Could they work with 3. Since the preamps in the PCs do always have a decoupling cap, ring and tip can safely be shorted to supply the 3. It has a low input impedance which loads down the signal level from the high output impedance of a piezo mic and the transistor has low voltage gain so if you speak loudly you will make an output.

2SC1623 Datasheet, Equivalent, Cross Reference Search

The results I will publish here. Thank you all for your help, it is great to meet you guys! You need to be a member in order to leave a comment. Sign up for a new account in our community.


Already have an account? Posted August 10, Share this post Link to post Share on other sites. Hi audioguru, thanks for the fast reply! Where did you get the schematic from? Posted August catasheet, The sound card needs to form part of the circuit. Posted January 3, Create an account or sign in to comment You need to be a member in order to leave a comment Create an account Sign up for a new account in our community.

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