The Pendulum Instruments High Voltage Linear Amplifier A400 has a fixed amplification of 20 times and capable of bipolar high voltage output of ±200. Any other signal source with amplitude up to ±10 V can be used as an input device. The input amplitude should normally be kept within ±7.5 V. The A400 High Voltage Linear Amplifier is equipped with a microfuse rated at 15 mA, which will be blown if the input voltage exceeds 300% of the maximum.
Other Single Channel High Voltage Linear Amplifiers
Full and small-signal frequency responses without load (red and orange marks) and with 400 pF capacitive load (blue and green marks), respectively, are shown in the diagram below: