PRE-Amp for tda please

JO12 · 30th March 2010, 09:16 PM

HI allll
I build a circuit amplifier i used tda2050 the first circuit in tha data sheet
I neeeeeed Pre- amplifier for dynamic mic
which is the best circuit you recommend

thanksssssss a lot

Minion · 30th March 2010, 10:50 PM

Try this ....

http://focus.ti.com/lit/ds/symlink/ina217.pdf

There"s a schematic in figure #4

JO12 · 1st April 2010, 05:46 PM

sorry I didn't find this ic ina217 and SSM2017
could you please put another circuit for dynamic mic special for tda 2050
thank you ,,,,,

Mooly · 1st April 2010, 06:23 PM

Why not just use a modern bipolar opamp such as LM4562 or even the NE5532.

This is a typical application found in many data sheets.

30th March 2010, 09:16 PM	#1
JO12 diyAudio Member Join Date: Mar 2010	PRE-Amp for tda please HI allll I build a circuit amplifier i used tda2050 the first circuit in tha data sheet I neeeeeed Pre- amplifier for dynamic mic which is the best circuit you recommend thanksssssss a lot

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30th March 2010, 10:50 PM	#2
Minion diyAudio Member Join Date: May 2006	Try this .... http://focus.ti.com/lit/ds/symlink/ina217.pdf There"s a schematic in figure #4

1st April 2010, 05:46 PM	#3
JO12 diyAudio Member Join Date: Mar 2010	sorry I didn't find this ic ina217 and SSM2017 could you please put another circuit for dynamic mic special for tda 2050 thank you ,,,,,

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