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[hlp] question about quadrature modulator

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Hello everyone;
A question:

Can any modulation be implemented by a quadrature modulator?
Please advise me any book/paper/article/website.
 

I think you cannot implement FM/FSK modulation using a quadrature modulator.
 

An IQ modulator can create AM, FM, PM, and derivates of these.
**broken link removed**
 

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Any modulation can be expressed mathematically by an I/Q modulation, so any kind of modulation can be implemented by an I/Q modulator.
 

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Hello again;
What's the best Quadrature Modulator in the market?
 

Hello everyone;
Can't anyone answer the above question?
 

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