In the signal processing of an LD, two amplifiers are used behind the HMC799 for two-stage amplification. After testing, it is found that there are dips and peaks at 200M~250MHz. Is it the principle design or the pcb design?
HMC799
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The HMC799LP3E is DC to 700 MHz Transimpedance amplifier designed for opto-electronic laser sensor applications, FDDI receivers and receiver systems employing...
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In the signal processing of an LD, two amplifiers are used behind the HMC799 for two-stage amplification. After testing, it is found that there are dips and peaks at 200M~250MHz. Is it the principle design or the pcb design?
Hi licunxu,
Good day. Sorry for missing this thread out. Can you share to us your schematic diagram for reference?
Regards,
Gilbeys