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»100/200 MHz Wideband Voltage Amplifiers
- Bandwidth DC to 100 or 200 MHz independent of chosen gain setting
- Variable gain from 10 to 60 dB (× 3 to × 1,000)
- Input noise 2.3 nV/√H
- DC drift only 0.3 μV/°CDC drift only 0.3 μV/°C
- True DC coupling, switchable to AC
- Switchable 10 or 20 MHz low pass filter for minimizing wide band noise
- Local and remote control
APPLICATIONS
- Oscilloscope and transient recorder preamplifier
- Photomultiplier amplifier
- Signal booster for optical receivers and current amplifiers
- Time-resolved pulse and transient measurements
- Automated measurement systems
Technical Brochure
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»Wideband Voltage Amplifiers
- Bandwidth DC to 10, 200 or 500 MHz
- Fixed or variable gain up to 60 dB (× 1,000)
- Noise down to 0.9 nV/√Hz
- True DC coupling, switchable to AC
- 50 Ω bipolar or 1 MΩ FET input stage
APPLICATIONS
- Oscilloscope and transient recorder preamplifier
- Photomultiplier and microchannel plate amplifier
- Time-resolved pulse and transient measurements
- Amplification of digital signals (no baseline shift at any digital code)
Technical Brochure
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»Low-Frequency Voltage Amplifiers
- Bandwidth DC to 100 kHz
- Variable gain up to 100 dB (× 100,000)
- Input noise down to 0.4 nV/√Hz
- DC-drift down to 0.5 μV/°C
- True DC coupling, switchable to AC
- Input impedance up to 1 TΩ
- Local and remote control
APPLICATIONS
- Universal low-frequency amplifier
- Automated measurements
- Industrial sensors
- Detector preamplifier
- Integrated measurement systems For detailed information about DHPVA-, HVA-, and DLPVA-series see next page!
Technical Brochure
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»Reference Class from DC to 200 MHz
Offset adjustable by trimpot or external control voltage. Indication of selected gain setting by LEDs. Output short-circuit protected. Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply series PS-15 available. For further information please see the datasheet.
The new improved models DHPVA-101 and DHPVA-201 replace the previous models DHPVA-100 and DHPVA-200. They are fully compatible delivering at least the same or better electrical performance. The heatsinks may be removed if adequate alternative cooling is provided like mounting the amplifier to a sufficiently large case/rack system.
Model DHPVA-101 DHPVA-201 Lower Cut-Off Frequency DC/10 Hz, switchable DC/10 Hz, switchable Upper Cut-Off Frequency 10/100 MHz, switchable 20/200 MHz, switchable Gain [dB] 10/20/30/40/50/60, switchable 10/20/30/40/50/60, switchable Input Voltage Noise 2.3 nV/√Hz 2.3 nV/√Hz Input Voltage Drift 0.3 μV/°C 0.3 μV/°C Input/Output 50 Ω, BNC 50 Ω, BNC Input Return Loss S11 −31 dB @ 100 MHz −22 dB @ 200 MHz Output Return Loss S22 −35 dB @ 100 MHz −30 dB @ 200 MHz Output Voltage ±1 V @ 50 Ω Monitor Output DC - 100 kHz monitor output at D-Sub connector, gain of 1 Digital Control 5 opto-isolated digital inputs, TTL/CMOS compatible Power Requirements ±15 V, ±120 mA typ. Dimensions 175 x 105 x 45 mm (L x W x H), weight 560 g (1.24 lbs)
Technical Brochure
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»True DC-Coupling with Zero Output Offset
Offset adjustable by trimpot. 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
Model HVA-10M-60-B HVA-10M-60-F HVA-200M-40-B HVA-200M-40-F HVA-500M-20-B Lower Cut-Off Frequency DC/1 kHz DC/1 Hz DC/1 kHz DC/1 Hz DC Upper Cut-Off Frequency 10 MHz 10 MHz 200 MHz 200 MHz 500 MHz Gain [dB] 40/60 40/60 20/40 20/40 20 Input Voltage Noise 0.9 nV/√Hz 4.7 nV/√Hz 1.2 nV/√Hz 4.5 nV/√Hz 3.0 nV/√Hz Input Voltage Drift 1 μV/°C 2 μV/°C 1 μV/°C 5 μV/°C 10 μV/°C Input 50 Ω, BNC 1 MΩ, BNC 50 Ω, BNC 1 MΩ, BNC 50 Ω, BNC Output 50 Ω, BNC 50 Ω, BNC 50 Ω, BNC 50 Ω, BNC 50 Ω, BNC Output Voltage ±3.5 V @ 50 Ω ±3.5 V @ 50 Ω ±1 V @ 50 Ω ±1 V @ 50 Ω ±1 V @ 50 Ω Power Requirements ±15 V, ±70 mA typ. Dimensions 112 x 51 x 33 mm (L x W x H), weight 200 g (0.5 lbs)
Technical Brochure
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»High Gain up to 100 dB
Offset adjustable by trimpot or external control voltage. 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.
Model DLPVA-100-BUN-S DLPVA-100-BLN-S DLPVA-100-B-S DLPVA-100-B-D DLPVA-100-F-S DLPVA-100-F-D Input stage Single ended, bipolar Single ended, bipolar Single ended, bipolar True diff., bipolar Single ended, FET True diff., FET Input 1 kΩ, BNC 1 MΩ, BNC 1 MΩ, BNC 1 MΩ, Lemo® 1 TΩ, BNC 1 MΩ, Lemo® Typical Source Impedance <50 Ω <100 Ω <1 kΩ <1 kΩ <1 GΩ <1 GΩ Lower Cut-Off Frequency 1.5 Hz (AC only DC/1.5 Hz DC/1.5 Hz DC/1.5 Hz DC/1.5 Hz DC/1.5 Hz Upper Cut-Off Frequency 1/100 kHz 1/100 kHz 1/100 kHz 1/100 kHz 1/100 kHz 1/100 kHz Gain [dB] 40/60/80/100 40/60/80/100 20/40/60/80 20/40/60/80 20/40/60/80 20/40/60/80 Input Voltage Noise 0.4 nV/√Hz 0.7 nV/√Hz 2.4 nV/√Hz 3.6 nV/√Hz 5.5 nV/√Hz 6.9 nV/√Hz Input Voltage Drift -- 0.5 μV/°C 0.7 μV/°C 0.7 μV/°C 1.3 μV/°C 1.3 μV/°C CMRR -- -- -- 120 dB max. -- 120 dB max. Output <100 Ω, BNC (terminate with > 10 kΩ load for best performance) Output Voltage ±10 V (@ > 10 kΩ load) Digital Control 3 or 4 digital inputs and 1 digital output, opto-isolated, TTL/CMOS compatible Power Requirements ±15 V, ±75 mA typ. Dimensions 175 x 51 x 34 mm (L x W x H), weight 320 g (0.7 lbs)
Technical Brochure
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»Logarithmic Wideband Voltage Amplifier
- Wide dynamic range up to 80 dB
- DC coupled, rectifying* inpu
- Switchable input range from ±20 μV to ±200 mV and from ±200 μV to ±2 V
- Rise/fall time 5 ns
- Input noise 2 nV/√Hz
- Local and remote control
- Integrated sample and hold baseline correction
APPLICATIONS
- LIDAR systems
- Signal compression
- Time-resolved pulse and transient measurements
- Mass spectroscopy
- Particle detection
Offset adjustable by trimpot or external control voltage. 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.
The logarithm of a negative number is not defined as real number. Therefore the negative part of an input signal is rectifyed prior to applying the logarithmic amplification.
Model HLVA-100 Input Voltage Range from ±20 μV to ±200 mV and from ±200 μV to ±2 V, switchable Dynamic Range Typ. 60 dB (for accurate amplitude measurement) Max. 80 dB (for signal detection) Linearity 12.5 mV/dB, 250 mV/decade (@ 50 Ω load) ±1 dB (for pulse of min. 20 ns pulse width) Input Voltage Noise 2 nV/√Hz Input Voltage Drift 0.6 μV/°C Input/Output 50 Ω, BNC Rise/Fall Time 5 ns @ 40 dB step Output Voltage Range +50 to +1075 mV typ. @ 50 Ω load (if output is adjusted to 1 V at 100 mV input) Output Offset Voltage Range ±500 mV, adjustable by offset-trimpot Baseline Correction Acquisition time 30 μs (min. sample pulse width Baseline hold droop rate 1 μV/s (typ. @ 25°C) Loop cut-off frequency 1.5 kHz Digital Control 2 opto-isolated digital inputs, TTL/CMOS compatible Power Requirements ±15 V, +90 mA/−120 mA typ. Dimensions 171 x 57 x 34 mm (L x W x H), weight 320 g (0.7 lbs)
Technical Brochure
