Re: ADIS16334 & ADIS16364 comparison
Here is the link to the application note that I mentioned:http://www.analog.com/static/imported-files/application_notes/AN-1045.pdf Also, I wanted to let you know that I might not be able to review...
View ArticleRe: HMC1048
Hi Bill. The fundamental LO leakage is fairly large for HMC1048LC3B when used as up-converter. This is not uncommon for passive mixers. The conversion loss is typically ~10dB. With a -10dBm RF input...
View ArticleRe: ADV7619 VS/FIELD OUTPUT QUESTION
Hi Mark, Were you able to resolve this problem? Unfortunately it fell of my work queue over the Holidays and I haven't taken time to investigate this problem.
View ArticleAD8318 overshoot problem
Hi,I am using AD8318 to get the envelope of a pulse modulated signal. The PW is 2 usec and PRI is 4 usec. As you can see on the attached output waveform of AD8318, there is an overshoot problem. What...
View ArticleRe: Problem with AD8304 Log Amp Stability
I have seen cases in the past of the part oscillating when the input of the AD8304 does not see an impedance of some sort of photodiode (mainly seeing a relay or some type of switch). I think there are...
View ArticleFMCOMMS1 as transceiver
Dear ADI engineers, I have FMCOMMS1 +Zedboard. Also I have a custom predistorter IP for amplifier compensation. Is this hardware capable for proto testing my IP? I connect rx and tx directly with SMA...
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Re: AD9434 FPGA reference design for HSC-ADC-EVALC
Hello David,Thank you. It was what I needed. Modified it and it works!Is there a way to interface the ADC with matlab instead of VisualAnalog?Thank you agin.Best,Chris
View ArticleRe: What RF/BW limitations to AD-FMCOMMS3-EBZ: AD9361 2 Rx + 2 Tx...
mhennerich mentioned "FMCOMMS2 and FMCOMMS3 are SW- and HDL-wise identical."What about for the cheaper AD9364 FMCOMMS4-EBZ which down the road I may change to ... not identical correct? but similar,...
View ArticleRe: What RF/BW limitations to AD-FMCOMMS3-EBZ: AD9361 2 Rx + 2 Tx...
Moved to FPGA Reference Designs.
View ArticleXilinx Zynq-7020 interface high speed ADC AD9278&AD9670
Hello All, Please help for my question about Xilinx Zynq-7020 interfacing AD9278 (12 bit, 8-channel, up to 65MSPS) or AD9670 (14 bit, 8-channel, up to 80MSPS). 1) Is Zynq-7020 (Artix-FPGA Fabric) able...
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Re: Evaluation Software can not see AD9912A/PCBZ
Louijie, thank you for your following up. I checked the Jumpers J8 and J9. They are shorted. Here is something strange. I compared the board setup with our fellow at JILA. Their Board 9913 is...
View ArticleRe: AD9361 AC701 no-os customized for CMOS mode
ICsomI wrote: Another thing, I just forget it. You're using CMOS, did you set the lvds_rx_onchip_termination to zero? (in main.c) Thanks,Istvan I did, thanks for checking on that!
View ArticleRe: AD9361 AC701 no-os customized for CMOS mode
CsomI wrote: Hi Nick, As a mentioned earlier, the no-OS does not use/set the IDELAY macros, instead it sets the Rx Clock and Data Delay (0x006) and Tx Clock and Data Delay (0x007) registers. (page 4 of...
View ArticleRe: How to communicate with ADE7754 to make an energy meter with PIC18F2520
Hi MARS 1. VN shouldn't be tied to ground (or neutral) directly. It should be tied to ground via a RC filter, like I have shown in my post. The resistor and capacitor values must be the same as what...
View ArticleRe: ADXL312 Dynamic Range selection and its resolution setting
Hi Venkat, Thanks for your reply. In terms of using the FIFO mode:The oversample rate (OSR), which is also the samples that can be store in the FIFO buffer, would be equal to 2^(2n) (n is the bit that...
View ArticleRe: AD-FMCJESDADC1-EBZ No OS Software Errors
DragosB,Ok. Apparently the VCO calibration was not finishing. I increased the delay from 1ms to 3ms, and now I am getting the "AD9517 PLL ok." message.Unfortunately, I am still not able to see changes...
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High impedance low frequency small charge measurement
My name is Hui Wang. I am from Florida State University. Currently we developed a piezoelectric material. We want a measurement system that can measure small charge built up (as small as 10nC) on the...
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Re: ADIS16448 SPI Communication Support/Code Review Request
void ADIS_GetData_Multi(uint16_t* dataIn){ uint16_t i; GPIO_ResetBits(GPIOC, GPIO_Pin_4); // IMU_CS = 0 /* Fill output buffer with data */ SPI1->DR = 0x3E00; /* Wait for transmission to...
View ArticleRe: Formula to find 3 angles in 6 DOF gyro( 3axes accelerometer+3 axes gyro)?
Hello, I just get interested in rotating objects without calculating angles, only with direction vectors. And I just found a way to make rotations only with accelerometer (no gyro) and a compass...
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