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
| 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 | Noise Figure 3.0 dB (450 pV/√Hz) | Noise Figure 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 | |
| Case | 165 x 105 x 45 mm (L x W x H), weight 510 g (1.1 lbs) | |
| Datasheet |  |
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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.
Plugs and sockets
FEMTO amplifiers and photoreceivers are supplied with either a BNC or SMA socket as standard, depending on the model. We are happy to fit other plugs and sockets according to your requirements. In addition to BNC, SMA and type N, other types are also available on request. Simply add your request to your quotation enquiry or contact our support team.
Due to their good properties at high frequencies, the GHz amplifiers in the DUPVA series have SMA sockets as standard. The use of other sockets, such as BNC, is possible, but may impair the signal quality.
Customised products
Do none of the products fulfil your requirements? We would be happy to offer you a customised product tailored to your application, which can also be implemented as an OEM version. Our technical support team looks forward to receiving your enquiry. You may also find something suitable among the related products.
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 optimised 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
Typical Performance Characteristics
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