It is a TV signal amplifier, to be connected to shore line TV signal.
是一个电视信号放大器，用于连接岸线电视信号。
This is my way to do variable amplifier, signal amplification, and hope to help everyone.
这是我做的可变程放大器，放大信号用，希望对大家有帮助。
A percentage of that signal is then sent on to the control amplifier.
然后该信号的一部分被送至控制放大器。
Gain is the number of times the amplifier amplifies a signal.
增益就是放大器放大信号的倍数。
Purpose: Small signal general purpose amplifier applications.
用途：用于小信号一般放大电路。
Purpose: Small signal general purpose amplifier applications.
用途：用于小信号一般放大电路。
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