VBI and CGMS of ADV7392.
Hello, I have a question about VBI and CGMS of ADV7392. There is a description about VBI on datasheet page.52 as follows:"If VBI is disabled (Subaddress 0x31, Bit 4 for ED/HD; Subaddress 0x83, Bit 4...
View ArticleRe: AD8021 distortion
Hi ldc, I also talked to our product expert regarding this and he gave few suggestions to be able to see the cause of the problem. Can you do the following: Remove the comp cap, and the feedback cap,...
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Re: ADV7513 and bt.565 (PAL)
To Sasa.Thanks for your suggestion.I tried a few times as your advice, and checked 0x42[6:5] = 0b11;while, the register 0x9E[4] was 0. That meas PLL Not Locked.Then, I checked the input clock and...
View ArticleRe: gpio-addr-flash: probe of gpio-addr-flash.0 failed with error -22
Kernel boot says:bfin-gpio: GPIO 26 is already reserved by BFIN-GPIO! (Documentation/blackfin/bfin-gpio-notes.txt)andbfin-gpio: GPIO 21 is already reserved by BFIN-GPIO!...
View ArticleMismatch problem for AD5242
Hi, I want to use your product AD5242 (1M). I ordered the samples and do a measurement on breadboard using a multimeter. I measure RAB for both ch1 and ch2. One is 0.8M and the other is 1M. When I...
View ArticleFilter with external level, center frequency, and Q controls (GPIO)
I am looking to create a filter (General 2nd Order for now) where I can edit the level, center frequency, and Q of the filter using external controls. So far, I have found ways to adjust either the...
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AD817 Reduced Output
Im using a op amp as the front end for my data acquisition cardChoose the AD817 amp powered with a 12v single power supplyI have a 4v peak to peak signal going into my systemThe signal im getting on...
View ArticleRe: ADV7513 configuration problem
To GuenterL, First of all, thank you very much. For the problem of clock output, I checked my PCB design, and found that EPAD was not connected to the ground!!! Then I made it. Now, the output...
View ArticleRe: I2C serial programming error on I2CWSD_7023
I tried to see version of the software i have and it again popped with a same message invalid argument. When i clicked okay, it gave me the version screen with blank data. This new software you gave me...
View ArticleRe: AD817 Reduced Output
bigshop, Several things.-- Your battery symbol is backwards, but I am assuming your bread board is correct.-- The AD817 is not rail to rail input. You need to stay about 1.2V from either rail.--...
View ArticleRe: AD817 Reduced Output
Hi Bigshop, You may try to connect AD817 with positive and negative supply if you have input that will swing to positive and negative range. The op amp input and output should be keep within the supply...
View ArticleRe: ADF4158, ADF4159 software
Hi, I think, there is a bug in v4.9.0 and judging by the changelog in the follow up versions as well. We are working with EVAL-ADF4158EB1Z board and everything work the way it suppose to with one...
View ArticleRe: How to communicate with ADE7754 to make an energy meter with PIC18F2520
Thanks for helpful suggestion....... i am using constant V and I. for single phase.(known load of 15 Watt single phase).......as per your suggestion i have to use these certain registers or any other...
View ArticleRe: Problem with AD536AK rms to DC converter
Hi Balint, Just wanted to check up on you with this. If you have doubts about the battery, you could try measuring at the actual power pins of the part just to see if the supply is dropping or if...
View ArticleRe: gpio-addr-flash: probe of gpio-addr-flash.0 failed with error -22
Aaronwu, Thank you for looking at this.I am making progress The biggest issue was in:static struct platform_device ezbrd_flash_device = { .num_resources = 1, should have been .num_resources =...
View ArticleRe: ADV7513 configuration problem
In general practice, it is never good to leave input pins floating unless they have internal pulls. Is it an absolute requirement, no, it is best practice and recommended.
View ArticleRe: Gyroscopes
Hi Jim. The In-Run Bias Stability specification represents the bias accuracy you can achieve under stable inertial and environmental conditions. This specification is derived from the minimum point on...
View ArticleRe: ADIS16136 weird behaviour
So far, I have not been able to duplicate this behavior but I have asked a colleague to take some data on another unit (while I work on another inquiry). Once this data is ready, I will analyze it and...
View ArticleRe: getting consistent output from ADIS 16375
How are things going? We have had to delay our FAQ on a linear regulator design for the ADIS16375, but I wanted to offer some starting points, in case you are going to do this yourself:ADP3339 or...
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