This paper introduces thought and process which are wide-band amplifier design in photon counter system. The detail circuit is given.
本文介绍光子计数系统中宽带放大电路的设计思想和设计过程，给出了具体设计电路。
2
She had been busily untying the knots in a handkerchief and now she poured out a handful of pennies on the counter, " I emptied my band."
她急忙把手帕上的结解开，将一把便士倒在柜台上。“我把所有的钱都拿出来了。”
3
Through a simple and complete and typical 12-bandcounter VHDL design examples, to make preliminary understanding of VHDL expression and the resulting VHDL language phenomenon and statement rules.