Two new kinds of ultra-narrow trigger
frequency alterable picosecond pulse generator are presented. One
can produce positive pulses and the other can produce negative
pulses. The two pulse generators are subdivided into three parts:
signal driving circuit, differentiator network and pulse shaping
circuit. The pulse shaping circuit is made of step recovery diode
(SRD) and short-circuit microstrip line. A positive pulse with width
of 54 ps (50% ---50% ), rising time of 30 ps (10% ---90% )
and falling time of 32 ps (90% ---10% ), and a negative pulse
with width of 54 ps (50% ---50% ), rising time of 30 ps
(90% ---10% ) and falling time of 30 ps (10% ---90% ) are
achieved in simulation. All of the components are ready-made and
inexpensive. They can be applied in ultra-wideband (UWB)
communication system, such as transmitters and receivers.
YANG Yun-feng (杨运峰), CAO Zhen-xin (曹振新), YE Zhan(叶 展), DOU Wen-bin (窦文斌), SU Hong-yan (苏宏艳)
. Model and Simulation of a New Ultra-Narrow Trigger Frequency
Alterable Pulse Generator[J]. Journal of Shanghai Jiaotong University(Science), 2011
, 16(6)
: 687
-690
.
DOI: 10.1007/s12204-011-1211-7
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