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Showing 258 results View by: Thread Post Sort by
  • SM
    SM
    • 1 month ago
    • Data converters
    • Data converters forum

    DAC3484: IQ modulator correction

    TI Thinks Resolved
    Part Number: DAC3484 Hello, To be able to use the QMC (quadrature modulation correction) feature in the DAC3484 does the DAC output have to be DC coupled to the IQ modulator or does it also work with AC coupling? 2) It is possible to generate an IF...
  • Rock Su
    Rock Su
    • 3 months ago
    • Data converters
    • Data converters forum

    DAC3484: Solution selection support

    TI Thinks Resolved
    Part Number: DAC3484 Dear colleague, Our customer is using DAC3484IZAYR+TRF3722IRGZR, but they plan to cover the 4900MHz and 5G WIFI frequency. So do you have some recommended solution? Best Regards, Rock Su
  • Kang Hsia
    Kang Hsia
    • 2 months ago
    • Data converters
    • Data converters forum

    RE: DAC3484: Complex Mixer Image Rejection

    Hi, please see section 6.8 of the datasheet for timing information for the SYNC/FRAME with respect to the DATACLK. See diagrams like Figure 52 for definition. -Kang
  • Kang Hsia
    Kang Hsia
    • 3 months ago
    • Data converters
    • Data converters forum

    RE: DAC3484: length matching requirements

    Hi, the timing requirement and the delay necessary should match the setup/hold time requirement per discussed in section 6.8 of the DAC3484 datasheet. There are internal clock delay and data delay blocks available to help optimize the setup/hold time...
  • line zhang
    line zhang
    • 5 months ago
    • Data converters
    • Data converters forum

    DAC3484: DAC3484 A and C channel are used as independent outputs.

    • Resolved
    Part Number: DAC3484 DAC3484 has four channels, namely A(I), B(Q), C(I) and D(Q).Now A and C
  • Kang Hsia
    Kang Hsia
    • 4 months ago
    • Data converters
    • Data converters forum

    RE: DAC3484: FIFO synchronization

    Hello, Please see below app note: dual sync source mode and its applications, for detail https://www.ti.com/lit/an/slaa584/slaa584.pdf?ts=1598886081922&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FDAC3484 -Kang
  • Kang Hsia
    Kang Hsia
    • 5 months ago
    • Data converters
    • Data converters forum

    RE: DAC3484: DC coupled output

    Hi, you may refer to the following app note: https://www.ti.com/lit/ug/slua647a/slua647a.pdf?ts=1596804826866&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FDAC3484 -Kang
  • Kang Hsia
    Kang Hsia
    • 5 months ago
    • Data converters
    • Data converters forum

    RE: DAC3484: Single Channel Maximum Bandwidth

    Hi, 1. Please section 6.6 of the specification table, Fdata specified. There will be 80% FIR filter rate applied to it 2. Please see section 6.6, maximum LVDS bus rate please also see section 7.3.2.1 and 7.3.2.2 for the Bus diagram to back-calculate...
  • XIN LI
    XIN LI
    • 8 months ago
    • Data converters
    • Data converters forum

    DAC3484: DAC output voltage calculation

    TI Thinks Resolved
    Part Number: DAC3484 Hi, I have two questions about the output voltage calculation of DAC3484: 1. Page 57, 58 in the datasheet, the one driving a doubly terminated 50-Ω using a 4:1 impedance ratio transformer. The Vp-p of DAC output calculated...
  • SM
    SM
    • 19 days ago
    • RF & microwave
    • RF & microwave forum

    TRF372017: Image Rejection

    TI Thinks Resolved
    Part Number: TRF372017 Hello, We are using the TRF372017 in conjunction with a DAC3484 to generate a modulated carrier. We are generating single tone cosine and sine and are feeding them to the I and Q of the modulator. We are getting equal sidebands...
>

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