ADF7021-V loop filter design
Hi, I am trying to develop a design using the ADF7021-V with an external VCO. I am looking to find the values for an active loop filter with gain to allow me to use a Crystek VCO, however in a previous...
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help reading adxl312 (spi 4 wire)
hi,i am having trouble reading acceleration data from adxl312, this accelerometer can be read/write similar to adxl345. below is my code, it doesn't work, no matter how much i shake it i get only 0...
View ArticleADC clock- jitter vs clock phase-noise
Phase jitter is expressed in a number of radians "RMS" phase jitter (time domain) within a band of frequencies.For ADC clock specifications. An important ant performance parameter is: clock jitter...
View ArticleRF 7023 with ADF7xxxMB3Z board
Hi,I am trying to follow the instructions given in the Eval note, but facing following problems: 1. In page 4: supposed to wait for BUSY signal Can't find anything in the UI screen.2. Firmware...
View Articleadf7021-v
hi guys i was using adisrd design studio for adf7021-v at 145MHZ.actually i was simulating the results without using external components and paramater values of the lbw can i use those values or it is...
View ArticleADF7012 capable of Biphase L Modulation
Hello:Is the ADF7012 capable of biphase L modulation scheme? The application would be for search and rescue beacon transmitter.Thank you,Frank
View ArticleAD8186 Video distortion
Hi All, W are seeing distortion in the video seen in TV when AD8186 is connected. Attached is the same (only Y was connected to AD8186, so only black and white picture is seen). The test set up is as...
View ArticleSoftware drivers for ADF7023-J
I have a design using the ADF7023-J xceiver and was trying to pull in software to initialize & configure it with my Atmel micro. I downloaded the adf7023.c and adf7023.h files which appear to have...
View ArticleADA4571 Evaluation Software doesn't be opened
Hi All, I am now trying to install the ADA4571 Evaluation Software into my PC, it doesn't work so far.I am trying to install it along with the installation procedure written in theUG-739.The software...
View ArticleMEMS ADW22035 acceleration Ic
HiRecently i got samples of ADW22035 acceleration sensors. When i tried to check those sensor i got only around 200 mv flucuation, i gentely tapper the sensor to get vibration signal. As per datasheet...
View ArticleADMP441 iMEMS® microphones
Hi all I see non-white noise when using the ADMP441 microphones. If you are a user of this microphone, would you mind recording a few seconds of no signal (just room acoustics - feel free to say...
View ArticleADF7021, 3FSK modulation and supported data rate?
Hi everyone, I am wondering if ADF7021 supports baud rate 19.2 Kbps with 3FSK modulation? Thanks
View ArticleAD630 Lock-in Amp
Hello everyone, I am looking to implement a lock-in amplifier in the range of 100kHz to 1MHz to obtain amplitude and phase information. Any thoughts on whether the AD630 will be ok for this frequency...
View ArticleSingle supply ECG front end without RLD
How can we realize a single supply ECG front end without using Right Leg Drive? Thanks.
View ArticleEMG Isolation in the case of a processor with an in-built ADC.
Hello Bill,I went through a discussion initiated by Yee http://ez.analog.com/thread/6389?tstart=0 in which you have discussed choosing an appropriate isolation scheme for an ECG system. I too have...
View ArticleECG HOLTER MONITOR DESIGN
Hello Bill, I am currently working on a layout design for this ADI solution. I have a few questions regarding the circuit presented here: From the biomedical point of view, what are the minimum...
View ArticleEDA TOOLS METHODOLOGY FOR LAB-ON-A-SMARTCARD
I am looking for experts in EDA Tools Mthodology for LAB-ON-A-SMARTCARDPlatform (Analog Mixed Signal):Here is the...
View ArticleLithium Iron Phosphate batteries
I am using Lithium Iron Phosphate 3.7volt cell @ 4700mA.hour rating. I want to make batteries with output voltages of 24volts and 32volts. They will be recharged from photovoltaic panels only. 7...
View Article3 lead ECG
I am planning to build a wireless ECG sensor. This is my first attempt to do anything of this sort. I was wondering if i should go AC-coupled AFE or DC-coupled AFE? Which one would be easier?
View Articledemodulation sin o square wave?
Hi,i'd like to use AD8333 to demodulate a pass-band signal with 200kHz local oscillator.The datasheet says that i can use both sin wave and square wave. My question is:The use of a square wave produces...
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