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Parametric amplifier unit with two parametric amplifiers - has amplifier outputs connected to T:network with connection length practically zero
Parametric amplifier unit with two parametric amplifiers - has amplifier outputs connected to T:network with connection length practically zero
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机译:带有两个参数放大器的参数放大器单元-放大器输出连接到T:网络,连接长度几乎为零
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摘要
The inputs of the amplifiers (1, 2) for the signal frequency to be amplified and for the pumping frequency are connected to couplers. The inputs apply to the parametric amplifiers a signal of the same signal frequency, but they are shifted in phase by Pi/2. A pumping signal is produced. It is of the same pumping frequency but it is also shifted in phase by Pi/2. The outputs of the two parametric amplifiers are so connected to a T-network that the connection length between amplifier outputs and the connection plane of the T-network is practically zero.
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