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HMC1118 Recommended for New Designs
The HMC1118 is a general-purpose, broadband, nonreflective single-pole, double-throw (SPDT) switch in a LFCSP surface mount package. Covering the 9 kHz...
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HMC1118 on Analog.com

HMC1118 RF Switch Spurious levels with Single supply operation

sugu89

on Nov 10, 2021

What is typical spurious level when using HMC1118 switch by single positive supply voltage applied to the VDD pin and the negative voltage input pin (VSS) connected to ground?

Please provide test data if available, Also specify spurious frequency ranges.

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0 yus

on Nov 11, 2021 1:52 AM
Hi Sugu89,

You can check out AN-1440 regarding single supply operation of HMC1118.
AN-1440 (Rev. A) (analog.com)

Best regards,
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0 sugu89
on Nov 12, 2021 9:45 AM in reply to yus
In this application note, There is no spurious data available. Can you check and provide the data.
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0 yus

on Nov 23, 2021 5:54 AM in reply to sugu89
Intermodulation products are the anticipated source of spurious frequency components. We expect intermodulation products of -80dBc or lower during single supply operation with power levels 10 dBm and below.
Can you please define what kind of spurious components you're trying to avoid?

Best regards,
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0 yus

on Nov 23, 2021 5:54 AM in reply to sugu89
Intermodulation products are the anticipated source of spurious frequency components. We expect intermodulation products of -80dBc or lower during single supply operation with power levels 10 dBm and below.
Can you please define what kind of spurious components you're trying to avoid?

Best regards,
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