Liedi
Hello,i have to develope a 4 channel EMG-measurement system by very small power consumtion and optimal chip disign. For input stages i found in the literature only dc-coupled instrumentation amplifiers...
View ArticleEVAL-ADF70XXMBZ2
hii am currently evaluating EVAL-ADF7021DBZX using EVAL-ADF70XXMBZ2 mother board.i am interested to know how you implemented the Chip Programming Software.the purpose of my study is to be able to know...
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 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 ArticleADN8834, Amplifers
Hallo, are the two chopper stabilized amplifers inside the ADN8834 on while the chip is in standby. I plan implementing a digital control loop arournd the AD8834. It want to use one of the amplifiers...
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...
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ADF7012 RF output impedance
Dear, Can anyone kindly provide us RF output impedance of ADF7012 around 145MHz?We'd really appreciate if anyone has data on this as we're not equipped with load-pull measurements. Thank you in...
View ArticleEVAL-ADF70xx driver problem
I've EVAL-ADF70xxMBZ2 recently procured to use with EVAL-ADF7021 (and 7021-N). I had installed previous version of ADISIMLINK on my computer so i tried the provided "purge_ADIismLink" to clear the...
View ArticleHow to configure the AD9866 registers?
I am using the AD9866 bidirectional DAC and ADC chip. And now I am encountering an issue that don't know how to configure the registers in the AD9866.Is there somebody can guide me the correct...
View ArticleADCMP572 VTT pin confusion
We've received 2 ADCMP572 eval boards, but unfortunately the documentation for the part and the eval board seems to be inconsistent.As a result, I have a question: should VTT (pin 8) be tied to GND or...
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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AD5242 used as varying resistor with LM317 to get analog voltage
I am trying to get analog voltage with AD5242 and LM317. I get both the ICs working seperately but when I use the resistor value I created with AD5242 on the LM317, it doesn't work as expected. I...
View ArticleAbnormal Axis
Hello to the Group. I am a Stranger in a Strange land here :-) My client is asking me what 'ABNORMAL AXIS' indications on the ECG strip means and how he can correct for it. He is using a 12 lead...
View ArticleAre source codes available for EVAL-ADF70xxMBZ2 and EVAL-ADF7021DBZ2?
Hi,I would like to have a copy of all available source codes for EVAL-ADF70xxMBZ2 and EVAL-ADF7021DBZ2.email: aishamagayoong@yahoo.comThank you very much. Sitti
View ArticleADF7012 programming by parallel port
Hi, i need program the device by parallel port, so, i need run ADI LINK ADF7012 Rev 2.1, right? i can´t find the software at Analog Device Website,where will i find it?Thanks.
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 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...
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ADN8331 H Bridge circuit dead zone issue
Hi, everybody,I am going to use the ADN8831 to control the DFB Laser temperture,and I have a question need you to help me to solve,which is the H Bridge driver circuit that make up of the...
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 ArticleDivision with AD538
I am trying to do on-board division with the AD538 chip. I have to voltage inputs which can have either negative or positive polarity. The discussed cases in the data sheet are clear for when the...
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