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法国RF培训资料

资料介绍
COUPL1A
COUPL1A.doc

















E.M.C. COUPLINGS





























MAR 2004
COMMON IMPEDANCE COUPLING


Basic amplification line

Each amplifier stage
amplifies the voltage difference
between a hot line and the cold line
known as reference or ground





If a high current or fast signal circuit shares this ground it may
develop in it some parasitic
voltage which adds to the useful one , and spoils the complete
amplification line .















The ground lines must be as low impedance as possible , care must be taken
to separate noisy circuits from sensitive circuits at gound level .
Good ground planes are necessary .














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标签:COUPL1A
法国RF培训资料
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