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CIRCUIT060052
Low-pass filtered, inverting amplifier circuit
CIRCUIT060052
Overview
This tunable low–pass inverting amplifier circuit amplifies the signal level by 26 dB or 20V/V. R2 and C1 set the cutoff frequency for this circuit. The frequency response of this circuit is the same as that of a passive RC filter, except that the output is amplified by the pass–band gain of the amplifier. Low–pass filters are often used in audio signal chains and are sometimes called bass–boost filters.
Features
- Input: Vi = -0.1 V to 0.1 V
- Output: Vo = -2 V to 2 V
- BW: fp = 2 kHz
- Supply:
- Vee = -2.5 V
- Vcc = 2.5 V
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Technical documentation
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| Type | Title | Date | |
|---|---|---|---|
| * | Circuit design | Low-Pass Filtered, Inverting Amplifier Circuit (Rev. A) | Jan. 05, 2021 |
| Application note | Basic Introduction to Filters - Active, Passive, and Switched-Cap (Rev. A) | Apr. 21, 2010 | |
| Application note | More Filter Design on a Budget | Dec. 06, 2001 |
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