ADAU1401 crystal oscillation
The ADAU1401 is used in car infortainment project together with NXP tuner. The main problem is from the DSP Crystal frequency, as long as the crystal oscillates it will affect the FM freq at 98.3MHz. I...
View ArticleAPI/SDK for AD5667REBZ
Hello, My name is Meir and I am DFAE from Phoenix Technologies in Israel. Ability, one of my customers, bought evaluation board : AD5667REBZ. This board allows manage galvanometers. The CD with test...
View ArticleAD6649 FIR Filter Bandwidth
We are making a multi-channel receiver board using the AD6649. The data sheet states the filter can either be 95MHz or 100MHz. If we use a lower sampling frequency of 125 MHz this would halve the...
View ArticleDifferent Rx1ABC/TxAB inputs on AD9361
On the AD9361/AD9364 what are the differences between the different inputs? For instance, are TXA and TXB meant for different frequency bands? Are these differences documented? I can't find any...
View ArticleHelp regarding AD9858 Schematic.
I have design a schematic for DDS ( ad9858 ), that have been attached below. Please help me out if this schematic is fine enough or i have to add some more component in it to get a fast chirp from DC...
View ArticleAD7766 full scale ?
Hello all !I use AD7766-2 converter in my projectI apply 5v at Vref+ input from ADR435, and use common mode voltage Vref/2=2.5v.I checked that Vref/2 in +-5% range!!!And I apply diff sin signal (peak...
View ArticleConversion rate
Hi, can any one please give me solution to calculate conversion rate in MWps for Resistor string DAC's. Also confirm me whether the supply current is equal to peak current for DAC's? And also assure...
View ArticleADV7612/ADV7511 eval repeater driver
Hi, I'm just wondering if/where the C-code for the repeater driver for this board (non-HDCP) can be found? Anna
View ArticleAD8402 Resistance Measurement
Can I use digital multimeter to measure AD8042 resistance (rwb) or multimeter current can destroy IC?My multimeter datasheet say only: Max Open Circuit Voltage: 2.8v in Resistance Measure Thank you
View ArticleHelp w/ ADSP-21489... DUAL SIMD MAC 40bit Floating Point
Talking (emailing) with an ADI applications engineer... he's VERY good... but, I'm getting frustrated not being able to find ANY good descriptions about how the DAGs are set-up to do DUAL SIMD MAC...
View ArticleWrong mode register value from AD7730
Hi, I'm using AD7730 evaluation board to measure a load cell data. I connected AD7730 to our microcontroller, but there are some problems. When I tried to read the status register, I read '0xC7' value,...
View ArticleClik here to view.
AD831 Bias Current
Hi again, I am having some problems adjusting the bias current of the AD831. According to the datasheet a resistor must be connected between the BIAS pin and Vp. And for minimum bias current, connect...
View ArticleADV7513 Differential output appears single ended
Hi, We are using an ADV7513 and have found a monitor dependent problem. It appears that on certain monitors there is a "salt & pepper" effect. that is that white or black pixels appear typically in...
View ArticleADSP-BF526 EZ-Board - 12-bit Data Input
Hi Again, thought I should pose this as a question.. My plan is to build up a daughter board containing a 40MHz 12-bit ADC and feed the 12-bit parallel digital output data into the DSP via the...
View ArticleADuM4223 Half Bridge Negative Bias
Hi, I am planning to use the ADuM4223 isolated MOSFET driver in boot strapped half bridge configuration, with three half bridges for driving a three phase motor. I would like to negative bias the...
View Articlea finished prototype
Hello guyz! It is not a question, I just wanted to "boast" a little bit about the prototype of the ultrasonic device for the blind. It uses two boards, the top one is an adau1701 based computer (can I...
View ArticleAD9257 power consumption question
Hi all, I'm looking at using the AD9257-40 in a new design, but this is a battery-powered application, and power consumption is very important. I have 12-channels that I need to sample, and so I'm...
View ArticleEVAL - ADAU1452MINIZ
I watch the video to configure filters. I used CH0 for stereo input. GPIO as output. I downloaded the program. When I move the slider bars for amount of increase or decrease amplitude. The program...
View Articleadv7619 when input small size video it is unsatble
hi I use adv7619 as HDMI receiver, in our design it should support much video size (such as 1920x1080 1360x768 1280x720 800x600 720x480 640x480).Now the large size (1920x1080 1360x768 1280x720)work...
View Articleabout ADV7619 4k 2k script config
Hello analog Engineers:I am use ADV7619 as HDMI receiver,I config the ADV7619 chip with the script ADV7619-VER.1.4c.txt.If I config it as 1080p and input video 1080p video it seems work well.but if if...
View Article