TRF3765 output phase

Marjorie

Other Parts Discussed in Thread: TRF3765, TRF3765EVM

Hi,

I'm interested in understanding the phase relationship of the TRF3765 a little better... in the datasheet (p.40), it states that the "outputs are phase-locked, but not phase-matched." Please clarify.

Thanks,

Marjorie

over 9 years ago

0 Arvind Sridhar over 9 years ago

TI__Mastermind 24205 points

Hi Marjorie,

I have copied the applications engineer responsible for this device. We will get back to you shortly.

Regards

Arvind Sridhar

0 Jim Brinkhurst1 over 9 years ago in reply to Arvind Sridhar

TI__Mastermind 44430 points

Hi Marjorie

We do not have extensive skew data from characterization or based on simulation. The only information I can provide is measured from a single unit on the bench at room temperature using the TRF3765EVM, as follows:

SUMMARY
	Earliest	Next	Next	Latest
	LO2	LO3	LO1	LO4
Delay (ps) -->	0	13.95	26.7	33.275

As you can see, the earliest output signal is on L02, followed by LO3, LO1 and L04.

Regards,

Jim B

0 Marjorie over 9 years ago in reply to Jim Brinkhurst1

Prodigy 105 points

Hi Jim,

Thanks very much for providing the data; even the typical skew is helpful to ballpark the magnitude.

Kind regards,

Marjorie

0 Marjorie over 9 years ago in reply to Marjorie

Prodigy 105 points

Hi Jim,

I'm also interested in Temp vs. phase skew delta. Is there any data for that?

Thanks,

Marjorie

0 Jim Brinkhurst1 over 9 years ago in reply to Marjorie

TI__Mastermind 44430 points

Hi Marjorie

Unfortunately I don't have any information for output skew variation versus temperature.

Regards,

Jim B

RF & microwave

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TRF3765 output phase