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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
DAC3484
IZAYR+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%252F
DAC3484
-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%252F
DAC3484
-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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