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Active Filters in Real-World Applications. Entanglement and Decoherence in a Trapped-Ion Quantum Register by David Kielpinski, UC-Boulder, PhD Thesis,

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Presentation on theme: "Active Filters in Real-World Applications. Entanglement and Decoherence in a Trapped-Ion Quantum Register by David Kielpinski, UC-Boulder, PhD Thesis,"— Presentation transcript:

1 Active Filters in Real-World Applications

2

3 Entanglement and Decoherence in a Trapped-Ion Quantum Register by David Kielpinski, UC-Boulder, PhD Thesis, 2001

4 Ella Clare, March 24, lb 8 oz

5

6 Cutoff freq Hz

7 Cutoff freq

8 RIAA Pre-amp

9

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11 Bass freqs: Large groove amplitude: lower spatial density of information Treble freqs: small groove amplitude: potentially noisy (low SNR)

12 RECORDING: EMPHASIZE TREBLE, DE-EMPHASIZE BASS PLAYBACK: RE-EQUALIZE

13 Cartridge interface Re-Equalization BPF Non-inverting amp Circuit from: National Semiconductor Note 346. High-performance audio applications

14 GAINPHASE Blue line = circuit performance Red dots = RIAA specified gains at 20 test frequencies deg.


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