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1 GHZ DUPVA VARIABLE-GAIN VOLTAGE AMPLIFIERS SERIES

Updated:2025-03-13

Brand name:FEMTO
Model number: DUPVA
Description: The DUPVA-1 series of UWB voltage amplifiers are designed for fast measurements with a large dynamic range. The gain can be adjusted through a local gain selector or through a remote control interface
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Product Details

1 GHZ DUPVA VARIABLE-GAIN VOLTAGE AMPLIFIERS SERIES-FEATURES

Variable gain up to 70 dB (approx. x3000), switchable in 10 dB steps
Bandwidth 1 kHz to 1.2 GHz
Bandwidth independent of gain setting (guaranteed)
Noise figure down to 1.9 dB (330 pV/√Hz)
Local and remote gain control

VARIABLE GAIN FROM 1 KHZ TO 1 GHZ

The ultra-wideband voltage amplifiers series DUPVA-1 is designed for fast and precision measurements with large dynamic range. Gain can be adjusted by the local gain selector or via an opto-isolated remote control interface. The gain independent frequency response guarantees for precise time resolved measurements at any gain setting. No significant change in rise time will occur when changing the gain setting which is essential for reliable time-resolved measurements. Additionally, the frequency response is optimized for being very flat over the full frequency range. No gain peaking or significant distortion will occur in pulse and transient measurements.

APPLICATIONS

Oscilloscope and transient recorder preamplifier
Photomultiplier and microchannel plate amplifier
Signal booster for optical receivers and current amplifiers
Time-resolved pulse and transient measurements
Automated measurement systems

Model	DUPVA-1-60	DUPVA-1-70
Lower Cut-Off-Frequency	1 kHz	1 kHz
Upper Cut-Off-Frequency	1.2 GHz	1.1 GHz
Rise/Fall Time	380 ps	390 ps
Gain	20/30/40/50/60 dB	30/40/50/60/70 dB
Gain Flatness	0.15 dB	0.15 dB
Input Noise	NF 3.0 dB (450 pV/√Hz)	NF 1.9 dB (330 pV/√Hz)
Output Power	13 dBm (?1 dB compression @ 100 MHz)	12 dBm (?1 dB compression @ 100 MHz)
Input/Output	50 Ω, SMA connector	50 Ω, SMA connector
Power Requirements	±15 V, +350 mA / ?100 mA, typ.	±15 V, +250 mA / ?100 mA, typ.
Monitor Output	DC - 100 kHz monitor output at D-Sub connector, gain of 1
Control Interface	3 opto-isolated digital inputs, TTL/CMOS compatible
Dimensions	165 x 105 x 45 mm (L x W x H), weight 510 g (1.1 lbs)
Datasheet	264 KB	279 KB

Indication of selected gain setting by LED. Output short-circuit protected. Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet.

Typical Performance Characteristics