• 

  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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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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