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AD5522 can not communicate via SPI?
Hi All: I have a AD5522 Evaluation Board,and it's work well on Evaluation Software 1.6.1. Now I want to use my STM32F103ZE to control the AD5522,but I can't communicate with AD5522 via SPI.It's...
View Articlead5522-output voltage is a Sine wave when Fin is a constant
Dear Sir/Madam. I am using a extent range. A external amplier is connected to Exfoh.output voltage is a Sine wave when Fin is a constant. The frequence is 10K Hz.VREF is confirm as 5VThe supplies is...
View ArticleAD5273 Programmable Digital Potentiometer
We use the AD5273 for adjusting contrast on a LCD we use in our design. The LCD is changing and we no longer need the AD5273 to adjust contrast but we have to leave the AD5273 in the circuit because...
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 ArticleWhat is TECGAIN of ADN8834 DS?
Hi, I have a question about TEC controller ADN8834. I can see an equation of f_0dB in DS at p18.Can you explain what TECGAIN in it? from Fig 35, 0dB should be at 1/(2*pi*R_1*C_1). But f_0dB of...
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 ArticleADF7023 Transceiver Problems
Hi ! Here is some ADF7023 issues . please check if they should be added in errata . 1) Manchester coding and decoding in ADF7023 is implemented complementary . You can encode some bytes according to...
View ArticleAD8212S
Good afternoon, I can't find any information about pins forming for creating footprints in Mentor Graphics. Would you be so kind to help me? Best regards Andrey
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 ArticleADF7242 GFSK sport mode
I purchased two dev kits for the ADF7242 and am trying to configure them to have one be in the tx GFSK Sport mode (2Mbps, sample on falling edge) and one in rx so that I can feed a bitstream through...
View ArticleADF7020 continuous spurious output in rx mode, even when no carrier is present
Hello I am working with the ADF7020, and notice that while in RX mode, the chip seems to output a continuous stream of spurious random bits, even in the complete absence of any carrier. Further, using...
View ArticleLow output swing at the output of ADCMP 562 Evaluation board
Hi, We have purchased the ADCMP 562 evalutaion board. I have provided the proper supply voltage to the chip such as VEE( -5.2V), VCC_IN (+5V), VDD_IN (+3.3V). Do I need to provide voltage to VTERM...
View Articlehii, can i please know whether i can use ADF7023 in my design, which is a two...
hii, Can i please know whether i can use ADF7023 in my design, which is a two way radio for voice and data tranfer?
View Article320*240 resistive touch screen calibration problem
Hi every one.I have 320*240 LCD with resistive touch screen and touch screen controller of AD7843 ( All is together in one LCD from topway: KM2088S). I want to know what is the best way to calibrate...
View ArticleADF7021-N,RSSI level always 0.Where is my error?
Hi to everybody in this forum,thanks in advance just for reading this My firmware is not able to read RSSI level on ADF7021-N mounted on a specific board The board itself can be connected to the Eval...
View ArticleSimulation Pspice AD694
Bonjour, Je souhaite réaliser une sortie 0_20mA et 4_20mA en utilisant la sortie 0 ... 3V de mon DAC. Pour cela je souhaite utiliser le composant AD694 de analog devices. Mais avant d'aller plus loin,...
View ArticleHow to connect a laser with common PD-anode and LD-cathode to ADN2847?
Hi All, I'd like to know a following point about ADN2847 application circuit.According to Figure 15 in the datasheet of ADN2847(RevB), a laser with common PD-cathode and LD-anode is used for this...
View ArticleRegarding over and under voltage protection for 1V supply line
Hello everyone,I am kishore. I need to provide over and under voltage protection for 1V supply line. I searched for zener diode having voltage rating of 1V. But I have not found any device. Please...
View ArticleSuggessions required to improve perfomance of ADF7021-V
Hi all, I have interface ADF7021-V daughterboard with an 8 bit microcontroller to transmit a realtime ECG signal. I found the system is working perfectly without any error in case of Line Of Sight...
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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