AD7843
Hello, I'm developing a solution that contains a TS module and uses an AD7843 to interface to a Microchip PIC18F4550, but I am not able to read the values X andY. I followed the instructions in the...
View ArticleADXL001 Output filtering
Data sheet recommends a 1nF capacitor on the output.Table says a minimum of 1000pF (1nF).Other devices publish the output resistance to make understanding the device behavior easier.Data sheet of the...
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 ArticleHMC1048LC3B (MIXER 2 - 18 GHz)
Based on the data sheets for HMC1048LC3B (MIXER 2 - 18 GHz), can i used VCO input power with 8.52dBm. Currently i doing simulation in ADS software, can i still used the data as provided for vco 9dBm...
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Controlling AD5204 or AD5206 digital Pot with Python or Java SPI
Hello; I am at my wit's end. I am trying to create a generic Python s/w application for the Raspberry Pi (via SPI) that will control the AD5204 or AD5206digital Pot. I have been successful using 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...
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 ArticleSimulation software and a library for ADN3000-06 ic
I am a university student doing my final year university project.Part of My project is to design a fiber optic receiver.I am employing Analog devices ADN3000-06-50A-PT7 ic for this purpose.I am...
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 ArticleADF4007 PLL
Hello .; I am using ADF4007 PLL in my application board. PLL loses lock when, I try to read either R or N divider at MUXOUT pin. What would be the possible reason/s?Supplementary question: Would it be...
View ArticleADF7021 with external Rx/Tx switch (ADG919)
Hi, we have made and are using RF modules based on the ADF7021 transceiver with it's internal Rx/Tx switch. So far we are very satisfied with its performance. But we would like to go one step further...
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...
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About the datasheet of the magnetic field sensor, AD22151
Hi, Nowadays I study about the magnetic field sensor, AD22151. In the middle of studying, I have some questions. In the page 5 of the datasheet, chapter GAIN AND OFFSET, there is an example to design...
View ArticleADF7021 Power Settings
I'm working on an application that uses the ADF7021 as an analog FM transmitter at 156MHz. I use an external inductor of about 18nH and have the RF divider enabled. The problem I'm having is that the...
View ArticleADF7023 Jammer Suppression
I set up 3 ADF7023 chips, one as transmitter at 915 MHz, one as receiver at 915 MHz, and one as tunable jammer. I set them up for 70 KHz deviation gfsk, 200 kbps. I then run the packet error test...
View ArticleADN2830 Laser Diode Controller
I have spun a board for the ADN2830 to control a JDSU laser with internal photo detector. The good news is both the cathode and anodeare isolated from the case. I'm using two in master/slave as I need...
View ArticleADF7021 vs ADF7021-N register differences
Hello, Beyond the Register 1 changes required based on the output frequency, are there any other register differences between the ADF7021 and ADF7021-N? I am trying to use the same register settings...
View ArticleADF7020 communication distance issue
chip is ADF7020, operation frequency is 470MHz, transmit power is 1W, receive sensitivity is -108dBm, but communication distance is only 300-400m, selected Antenna is 470MHz., pls help analyze, in...
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 ArticleADN8331 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...
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