DHPVA Voltage Amplifiers offer 10 dB to 60 dB variable gain.

Press Release Summary:

Keeping bandwidth constant at any gain setting, DHPVA Wideband Voltage Amplifiers provides extremely low level input voltage drift of 0.3 µV/°C and noise of 2.3 nV/√Hz. Amplifiers offer flat frequency response without peaking signal shape. DHPVA amplifiers are available in DHPVA-101 (100 MHz) and DHPVA-201 (200 MHz) models.

Original Press Release:

FEMTO has Upgraded their Wideband Voltage Amplifiers

The FEMTO DHPVA voltage amplifier series has been upgraded with the DHPVA-101 (DC - 100 MHz) and DHPVA-201 (DC - 200 MHz). Their Input voltage drift and noise are improved to an extraordinarily low level while keeping a constant bandwidth at any gain setting.

DHPVA series has exceptional low input voltage drift of 0.3 µV/°C and low input noise of 2.3 nV/√Hz enable stable measurements with highest precision, even at maximum amplification. Flat frequency response without peaking is another feature. The amplifier bandwidth remains constant regardless of the gain, allowing an accurate high-speed acquisition while preserving the signal shape independently of the gain setting.

The gain is variable from 10 dB to 60 dB.

FEMTO manufactures a line of high quality specialty amplifiers for signal recovery and processing. These products include Low Noise Current Amplifiers, High and Low Frequency Voltage Amplifiers, Photoreceivers, High Speed GHz Amplifiers and Lock-In Amplifiers.

FEMTO’s signal recovery amplifier products are distributed in North America by:

Electro Optical Components Inc.

Toll Free:  (855) 362-6300;

(707) 568-1642




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