High Voltage Amplifiers | SIMTRUM Photonics Store

These amplifiers provide high amplitudes and bandwidths, and are well suited for use as booster amplifiers for lower-voltage arbitrary waveform generators.

AV-110 & AV-112 Series

The AV-110 family of variable-gain linear amplifiers is designed for driving high impedance loads with peak-topeak output voltages as high as 1000 Volts. The AV-112 family is similar, but is designed for lower impedance loads (and thus higher average powers). 

Model AV-110A-PS provides up to ±500V (i.e., 1000 Volts peak-to-peak), with a bandwidth of DC to 3 kHz, a 35 us rise time, and gain variable (by a ten-turn control) from x1 to x250. The high-speed, high-voltage AV-110J-PS drives loads as low as 10 kΩ with amplitudes to ±400V, with 3.5 us rise times. Model AV-110B-PS provides up to ±200V for loads of greater than 50 kΩ with 100 kHz bandwidth. The gain is variable from x1 to x100 and the rise time at maximum output is 1.5 us. The AV-110G-PS is identical, except that the maximum bandwidth is extended to 350 kHz. For lower amplitude applications, model AV-110C-PS provides up to 200 Volts peak-to-peak with a bandwidth of DC to 200 kHz, and a gain which is variable from x1 to x50. For higher bandwidth applications, the AV-110H-PS features a 1MHz bandwidth and amplitudes to ± 50 Volts into high-impedance loads (≥ 10 kΩ). Model AV110D-PS also features a 1 MHz bandwidth but offers amplitudes to ± 30 Volts into low-impedance loads (≥ 50 Ω). The AV-110E-PS can drive load impedances as low as 20 Ω, with amplitudes to ± 25 Volts, at frequencies up to 50 kHz. Most AV-110 models are available with a two-channel option that provides two independent amplifiers with separate connectors and gain controls. Also, most models are available with an optional ten-turn DC offset control that introduces a bipolar DC offset to the output waveform.

The 400 Volt (peak-to-peak) Model AV-112A-PS features a bandwidth of DC to 300 kHz, a 1 us rise time, and a gain that is variable (using a ten-turn control) from x1 to x100. Model AV-112A-PS will drive load impedances as low as 5 kΩ and will provide an average output power as high as 8 Watts. The AV-112AH-PS is a higher-power version, capable of driving load impedances as low as 1.2 kΩ and generating output powers of up to 35W. The 50 kHz bandwidth Model AV-112B-PS provides up to 270 Volts peak-to-peak for load impedance greater than 500 Ohms. The gain is variable from x1 to x68 and the rise time at maximum output is 1 us. This model will provide an average output power as high as 40 Watts. For lower amplitude and load impedance (100 Ohms) applications, Avtech offers Model AV-112C-PS, which provides up to 180 Volts peak-to-peak with a bandwidth of DC to 30 kHz and a gain that is variable from x1 to x45. Model AV-112C-PS will output an average output power level as high as 81 Watts. Standard models provide non-inverting gain. An inverting gain mode can be added as an option. Model AV-112D-PS provides unipolar (positive-only) operation up to 50V for load impedances as low as 10 Ohms. This provides peak currents of up to 5 Amps (50V / 10Ω = 5A), with average currents as high as 2.5 Amps. The bandwidth is 20 kHz.

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