Re: Read VRMS ADE7758
Hi andred In order to make sense of the RMS register measurements, follow the below steps: 1. Apply a known input to the voltage channel, say 220Vrms. 2. Read the corresponding VRMS register and note...
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ADV7611 i2c read error
Dear all,We have developped a board with a ADV7611.The i2c addr is 0x98.It seems that:1.I can't write 0x98 0xFF 0x80 (to restart ADV7611). No Ack after the data.2.I can write any other register....
View ArticleWhy does the blinking led example in AN-951 not work?
I am trying to get some custom hardware up and running and the blinking led example does not work. I can manually toggle the output pins by using the read/write registers tool but I cannot generate the...
View ArticleADM2587E TVS diode protection
Hi, I would like to know if the recommended TVS diode Bourns CDSOT23-SM712 (AN-1161) will provide protection from a short to power 24Volts DC. We are using the ADM2587E IsoPower Isolated RS485...
View ArticleRe: inquiry about xilinx2014.4-linux-AD-hdmi-zedboard
hello.Now I'm using:1. hdl-hdl_2014_r2.zip, and build the HW with a few modification such as vivado&IP verison and comment #set_property -dict [list CONFIG.USE_BOARD_FLOW {true}...
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SPI Interface ad7714 - Atmega2560
I have a STK600 with an Atmega2560 with ad7714.1)My program works fine when the driver for the communication with the ad7714 uses program controlled SPI handling of IO ports, i.e. without SPCR, SPDR...
View Articlesigmastudio for sharc linear input ploblem
Please look at pictures, I want to know if I have eight channels input, so I configure sport0, 1, 2, 3 as input, then Whether or not the linear0 corresponding sport0_DA and linear1 corresponding...
View ArticleRe: AD5933 with big errors
Hi Zone, Thanks for the clarification. For the table that you have given, Zmin = 1k and Zmax = 10k. Computing for Rfb and Rcal using the formula on Configuring the Part (page 5) of this application...
View ArticleRe: Frequency Multiplication
Hi sitti,I want to multiply 50Hz Sine signal to say 5KHz signal without losing phase information. Traditional plls convert only for square, but I need for sine wave?
View ArticleRe: Output frequency on AD9910 using external control
Hi Ramola, Kindly check the jumper settings of your evaluation board. For external control, set Jumper W1, W2 and W4 to disable. Then remove the jumper on W5, W6, and W3. You can refer to What are the...
View ArticleAS5645R I2C readback sequence?
Hi,all. Our customer will evaluate AD5645RBRUZ.They have several questions about I2C readback sequence. In the datasheet 24page~ , READ OPERATION, Figure 61. I2C Read Operation (14-Lead Package),They...
View ArticleRe: Blimp binary flashing to DDR2 memory
Hi Saurabh, We think that external OSD will work without flash. But we are just confirming on code changes for external OSD to work without flash. We will provide the steps once we have done some test...
View ArticleRe: ADV7625 and SPI read-back issue with Blimp code
Hi Jon, Please let us know the Blimp version that you have been using. Do you have one of our eval board? If yes, Did you try this in our eval board? We believe that this would work fine on our board...
View ArticleAD8367 - Maximum Output P1dB Point in 50Ohm configuration
Sir/Madam, We are planning to use AD8367 at our frequency 70+/-10MHz range for single ended I/P and O/P configuration in 50OHm impedance. Our requirement is minimum gain of 40dB at our frequency...
View ArticleRe: Need roughly 10ns or better ramp to drive a VCO
Hi,The AD5932 can have max MCLK of 50MHz.So, you can have up to nyquist frequency (25MHz) as output for triangle and sine.But I recommend you use up to 0.4*MCLK = 20MHz.But, when using higher...
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Re: Blimp binary flashing to DDR2 memory
Hi Jeyasudha, Thanks for the reply, I am also trying the same. Regards,Saurabh
View ArticleRe: ADS simulation libraries for HMC524LC3B, HMC499LC4, HMC1040LP3CE
Thanks for the reply Kagan and Qui. But I think just the scattering parameters wont be sufficient to model the IC in ADS. Also, I want to make a PCB layout of my circuit involving these ICs using ADS....
View ArticleI would like to learn about the dsp
I m interested to learn Dsp, and I know there is a kit for dsp, but I dont know if this kit include a book and these one has a differents lessons. Is dificult to learn dsp and I need some...
View ArticleRe: Cannot get ADV7180 to display video through ADV7513
UPDATE:The above image was fixed by changing from Right Justified to Even Distributed. But I have a small issue. I was able to switch the Cr and Cb signals to make the image look better; but I can...
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Re: Request the schematic review with AD9251-80 and ADA4937-1
Hi Se-woong, I am looking more at the ADC portion of the schematic. I think it looks pretty good, with the following comments/questions.The CLK+/- pins are internally biased, so they should be AC...
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