• State
  • Locked Locked
  • Replies 2 replies
  • Subscribers 10 subscribers
  • Views 767 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

ZERO-IF OF TRF370333

Henry Jung
Prodigy 220 points
Other Parts Discussed in Thread: TRF370333

Hi~
My name is jayden park and Arrow Korea FAE.
Our customer will use TRF370333 device as ZERO-IF Modulator.

To use ZERO-IF, Please check Below question :

1. BBIN(22pin) / BBIP(21pin) / BBQN(9pin) / BBQP(10pin) => Condition???
2. Power Supply condition ???
3. Zero-IF Measurement data of TRF370333 device ???

If you have ZERO-IF test procedure of TRF370333EVM, Please support to me.. 

  • 0
    TI__Mastermind 18065 points

    1. BBIN(22pin) / BBIP(21pin) / BBQN(9pin) / BBQP(10pin) => Condition???

    RJH>> Make sure common mode of 3.3V is maintained on the BB input lines.  This device is optimally interfaced with TI's current sink DACs.


    2. Power Supply condition ???

    RJH>> As described in the datasheet, the power supply is 5.0V


    3. Zero-IF Measurement data of TRF370333 device ???

    RJH> No explicit data available other than information supplied in the datasheet. 

  • 0 in reply to RJ Hopper
    Prodigy 10 points

    To. Hopper

    Thank for your support.

    Our customer will test with TRF370333EVM.

    Q1. Can we use TRF370333 as ZERO-IF condition?

    Q2 : BBIN(22pin) / BBIP(21pin) / BBQN(9pin) / BBQP(10pin) => Input 3.3V with external power supply. Is right??

    Q3 : LO path single ended : Is it possible??? 

    If we can't  use TRF370333 as ZERO-IF condition. Please recommend device that can use ZERO-IF condition..

    Please reply to me