single to differential converter

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louiee

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Hi everyone,
how to convert the single ended to differential signal? my working frequency is quite low around 38khz. how to do this on chip? i try to use low pass component i.e resistor and capacitor in balance diff amp, but it will be too huge for this low frequency.

thanks in advance.
 
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    louiee

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The simplest way is to add some component that can change the phase of output signal to single-in-single-out amp, such as an inverter.
 

Pls try OTA + two resistors.
 

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