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Hum Bug Noise Eliminator Buy NowDownload Manual
       

Hum Bug 50/60 Noise Eliminator
Hum Bug 50/60 Hz Noise Eliminator

A New Solution
Quest Scientific is proud to introduce the Hum Bug -- a new approach to Noise Control. This is a powerful new technology for cancelling electrical interference in real-time, avoiding all of the traditional problems associated with notch filters. The Hum Bug constructs a replica of noise present on the input signal and continuously subtracts this replica from the signal as it passes through the instrument. It performs this function in the presence of biological activity even when noise characteristics evolve over time.

Advantages
The HumBug is not a filter. It does not create phase delays, amplitude errors, DC shifts or waveform distortion. Simply connect it between your preamplifier and any analysis equipment and it will automatically eliminate 50/60 Hz noise and harmonics with frequencies up to several kHz. Noise is eliminated without altering the signal of interest even when frequencies within the signal overlap with noise components. No settings or adjustments are required.

Eliminates Electrical Interference

• Simple 50/60 Hz Sine Waves

• Mixtures of 50/60 Hz Harmonics

• Noise Spikes from Dimmers

• Complex Noise from Flourescent Lamps

No Waveform Distortion

• No Frequency Loss

• No DC Voltage Shift

• No Signal Attenuation

• No Phase Error

Download the brochure (MSWord Document).

Specifications:

Physical

Standard steel instrument box with cast aluminum base.

• Dimensions:
W-6.5” D-7.5” H-1.3” (32.2X18.1X3.1 cm).

• Weight
2.8 lb. (1.3 kg).

• Power
115-120 VAC at 60 Hz.
230-240 VAC at 50/60 Hz.

Input Voltages
Input protection: 50 volts peak-to-peak. Maximum input signal recognized by the adaptor: 5 volts peak-to-peak. Maximum noise amplitude for complete cancellation: 1 volt peak-to-peak.

Frequency Response
Input to output: DC to greater than 500 kHz.
Hz and harmonics cancellation: 50/60 Hz to 4 kHz.

Controls
BYPASS: halts noise cancellation by routing input directly to output.

HOLD: suspends adaptation to evolving noise characteristics.

CLEAR: clears the noise replica.

Display
LED indicates changing noise levels:

GREEN: decreasing amplitude of the noise replica.

RED: increasing amplitude of the noise replica.

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