ADF7021-N radio performance variation over pcb stack-up change
Hi all, I'm facing a doubt while designing a transceiver application using ADF7021-N in 868MHz band. I've still realized some time ago a trx application with this chip on a 4 layer pcb stackup with...
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AD8212S
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 ArticleHaving noise problems w/ AD1988A / ASUS/ M2N-SLI Deluxe
I have the latest drivers and a creative 7.1 speaker setup. My monitor is a Olevia 42 inch LCD TV. I have this background hum. Just like when a guitar is plugged into an amp. There are times when it...
View Articleinitialize adf7242 using pic
hi eveeryone. i'm working on my graduate poroject. one of the components i want to use is adf7242 transceiver. i would like to use pic18f452 to initialize it is there anyone who can steer me in the...
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...
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ADA4571 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 ArticleLooking for a PCB layout sample for AD8497
I have looked all over the internet for a sample layout for ultiboard for the AD8497 Thermocouple. I am manufacturing the circuit for a class using the basic connection from the data sheet....
View ArticleADG3304 Automotive Graded Specification
Dear sir, We are looking for ADG3304W, automotive graded spec., but it's not reachable from the ADI web. Can you provide the spec for EV safety application? Best Rgds,Michael ChangANStek Taiwan...
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AD5273 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 ArticleHaving noise problems w/ AD1988A / ASUS/ M2N-SLI Deluxe
I have the latest drivers and a creative 7.1 speaker setup. My monitor is a Olevia 42 inch LCD TV. I have this background hum. Just like when a guitar is plugged into an amp. There are times when it...
View ArticleADF7242 RC_Ready after Power On?
The ADF7242 data sheet suggests that, before issuing a radio controller command a SPI_NOP should be sent to check the status of the RC_READY bit of the status word ("it is, therefore, necessary to read...
View ArticleADF7021-N receiver synchronization problem
Hello, I am working with ADF7021-N with an STM32 microcontroller. I am measuring the BER which is fine when transmitter and receiver are close to each other. But when they are further, like 90 meters,...
View ArticleGFSK testing at 2.4GHz
Hello, I am looking for solution of GFSK testing in 2.4GHz.The product is based on ADF7242 Transceiver.What test equipment can you recommend? Thank you
View ArticleADF7242 Receiver Latency
I am interested in getting a packet through for a trigger event with minimal latency. The data sheet for the ADF7242 specifies transmitter latency, at least for the SPORT mode. What is the associated...
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Using ADMP504 as part of the stethoscope
Hi, I am using AMDP504 as the input detector for a stethoscope design. Do we have any stethoscope cone housing recommendation that can be suitable for this mems part? Thanks. Best Regardsadrian chia.
View ArticleADF7021 CLKOUT signal in SPI mode
Hi, I'm having some troubles with ADF7021 connected to MSP430F2418 via SPI bus.As far as I know if SPI is used REGISTER0 DB28 must be set to 1 and REGISTER15 DB17-DB19 must be set to 0x07, is this...
View ArticleADF7021-N TEST PATTERN GENERATOR
When using the following setting modulation+test patterns on the ADF7021-N (EVAL-ADF7021-NDB),I get the incorrect frequency, or not change setting frequency.Does the combination of Modulation+Test...
View ArticleAD835 Help
Hello, I have replicated the frequency-doubling example circuit for the AD835 (see figure 24 in datasheet). It does not seem to work. I have attached screenshots of spectrums for both my 10MHz input...
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 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...
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