This specification describes the requirements for the procurement of two types of Computation Amplifiers, BUWEPS LD-498409 and BUWEPS LD-517949. The amplifiers are identical except for sealing compound, and consist of two independent transistorized channels; each channel having a high open loop gain. The amplifiers are used to provide isolation, power gain, and an accurately controlled voltage gain between the source of input signal and a resolver or transformer-coupled load. The closed-loop gain of each channel is determined by the external feedback arrangement.
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