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View ArticleRe: ADP1048 bridgeless design
Hi Mack, There is no real issue. In the interleaved PFC, the phase current balancing is needed. If you swap the PWM output signals, the phase imbalance will be even worse. However, it looks to me no...
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Re: ADP1048 bridgeless design
Not a problem. However, you'll have to tweak the IBAL pin so that it knows which PWM to fire. See attached diagram:
View ArticleUsing external spdif tranceivers with ADAU1452
Hello, My questions pertains to clock connections on the ADAU1452 when using external spdif transceivers. My design requires 2 spdif inputs and outputs to be processed by the ADAU1452. I have elected...
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Audio CODEC AD1939 ADC Buffer Input
Hello All, We are working on Analog Device's AD1939 Audio CODEC. Programming and read back of registers from AD1939 using SPI is done.We facing problem while giving input to ADC. PFA of the schematic...
View ArticleRe: Programming ad5752 in 2s comp mode
Hi, moynul islam. You may change your output range to +/-5V by changing the OUTPUT RANGE SELECT REGISTER. You have to set the values of the R2 to 0, R1 to 1, and R0 to1. You may refer to Table 21 and...
View ArticleRe: ADuM3150 datasheet
Hello, MSCantrell-san,Thank you very much for your prompt reply.I understood that. Best regards,Sofy
View ArticleADV7480 without audio output
Hello In my project,I use the ADV7480 as the hdmi sink.But I can't get any audio .The video is ok.I found that the LRCK=17.47k BCK=1.12M For question:1.Is it the problem of source's CTS&N value(I...
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Re: ADAU1761 Problems: PLL and Alias
Hello Philipp, The 1761's versatile PLL allows using a MCLK range from 8 to 27 MHz while maintaining a core clock of approx. 45 to 49 MHz. When the PLL is in use, the core clock is always...
View ArticleRe: AD1974 Daisy-chain mode
Dave, Point taken on using the CLKOUT to drive my clock buffer. I have used the XTALOUT before in other designs and may have gotten away with it in a less critical situation. I was afraid If I used the...
View Articlebit SMACK value behavior for BF609 CAN in hibernate/resume
Hello, For the built in sleep mode for CAN, the HRM says, "Once this mode is entered, many of the internal CAN module clocks are shut off,reducing power consumption, and the CAN_INT.SMACK bit is set"...
View ArticleRe: Query about AD8497 Output
Hi Wayne, When you use single +5V supply, the output saturates at around 25mV which would be read as 5 degC. The datasheet suggests lifting the REF pin voltage to keep the output from saturating when...
View ArticleRe: ADE7763 and AD8479 isolation
Hi xmas79Before going over the schematic recommendation and possibility of using AD8479, I want to understand if you have considered current transformers for current sensing. Are you expecting to...
View ArticleRe: AD5791 output conversion to differential
Hi I am facing same question. Can I use a OP as inverter-follower to get the negative output? For reason of cost we don't want to use two AD5791s Donald
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Re: AD9650
Lasse,The input voltage can exceed the operating range but must always stays within the Absolute Maximum Range. Beyond the Maximum Range the ESD diodes will become active and could damage the device....
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Re: About Grop delay in SigmaStudioforsharc
Hi,JJoseph.My immediate understanding.A signal line from the entrance to the exit of the time difference.
View ArticleRe: ADV7125 input output pin
Hello, Can I ask one more question ?Input RGB signal is supported for each 8 bit.If we use input of RGB 6bit, do we connect "R7 to R2，G7 to G2，B7 to B2" and not used pin to GND ? Regards,
View ArticleCompressor module for ADSP-21489
We have made an audio product with ADAU1701. The SigmaStudio works very well.Now we are testing the ADSP-21489 evaluation board with SigmaStudio 3.11. We find that the compressor module offers less...
View ArticleADSP-21489 switch noise
Hi！I'm working on the ADSP-21489 evaluation board. I have got a problem about the switch noise. There are two kinds of switch module, one has clickless SW slew function, another doesn't. Both the two...
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