EVAL-SDP-CB1Z board with the EVAL-AD9837SDZ board
i am new in this community. i bought the EVAL-SDP-CB1Z board and the EVAL-AD9837SDZ board to want to get sin signal. But i can't get the signal i want to get from the output pin at EVAL-AD9837SDZ. Sdp...
View ArticleAD9361 REF_CLK
Hi, In UG-570, Reference Clock Setup and Operation section there is a condition as 'The level for the clock should be 1.3V p-p maximum..'. what would be the impact if the p-p level is higher than 1.3V?...
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phase shift 45 degrees
Hi I need some help to understand whether this is possible and what parts are needed. the desired outcome is this. 8 RF outputs with sin waves with a 45 degree phase shift.5 V peak to peak amplitude10...
View ArticleRe: AD8251 Input Bias Current Model
Lee, Can you attach some files?How are you measuring?If you are simulating at temperature, most spice models are only good at 25C. Harry
View ArticleRe: AD9361 REF_CLK
PLL unlocking, inoperational device, latch up and possibly device damage.You should not exceed 1.3V supply voltage with REFCLK swing (including overshoot).
View ArticleRe: ADL5380-EVALZ DC IF Problem
Hi, Eric, You may be able to get some help on AD7903 drivers/programming examples by posting on the ADC forum: Precision ADCs Benjamin
View ArticleHow to enable ucLinux USB gadget audio for the Blackfin BF526 EZBRD?
Here are my problems:1.I tried the instructions for the BF527 EZKIT to enable the kernel audio card and USB gadget audio. I got "soc-audio: probe of soc-audio failed with error -22" error.2.If I try...
View ArticleRe: ADL5385 evaluation board for IQ modulation
Hi, Mo, Yes, you can use DC voltages for I & Q inputs (with a 0.5V common-mode bias on each pin), and they will change the amplitude and phase of the RF output accordingly. As for sideband...
View ArticleRe: IF output range of AD 8342
Hi, Bhavishya, The IF pins on the AD8342 are DC coupled, so IF output will support 25-150 kHz. You will need to use dc block caps as shown in Fig. 56, or use very low frequency transformers at the...
View ArticleRe: ADV7513 Settings
Hi Elvin, Do you have one of our evaluation boards for ADV7511 or ADV7513? -Matt
View ArticleADXL001-70z eval board noise on unfiltered XOUT
I see an 500kHz 40mVrms noise signal on the unfiltered XOUT. I am interested into frequencies up to 10kHz and I use the same opamp circuit like in CN0303 in our board. The 500kHz signal is going...
View ArticleAD9361 TX path delay
Hi,Where can I find info on the internal TX path delay, from digital data input to the TX channel differential output (for example Tx1B)?I can see there is info on digital Tx block delay calculation...
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ADE7880, Can't get ZXTOVA, ZXTOVB, ZXTOVC flag at STATUS1
Hello, I am new to ADE7880. I enable ZXTOVA, ZXTOVB, and ZXTOVC bit at MASK1 register. I expected to get ZXTO, ZXTOVB, ZXTOVB flag if I removed the voltage. I use the default value of ZXTOUT, didn't...
View ArticleADE7880, Problem on handling ZXVA, ZXVB, and ZXVC interrupt
Hello, On ADE7880, ZXVA, ZXVB, and ZXVC are on IRQ1 line. The MCU I used is PIC32. The ADE7880's IRQ1 line is connected to external interrupt pin on PIC32, which is edge triggered, I set it to trigger...
View ArticleADL5391- down-converting mixer
Hi, I would like to use the ADL5391 as a down converting mixer. On the x input I have my measured signal which should be down converted to a fixed frequency (e.g. 10 kHz). This is a symmetrical AC...
View ArticleRe: Noise in PCB
Hi,Thanks for the reply. Yes, I have separated different power signals on different layers of the PCB. I have used planes for different power signals and those planes are spread only on a particular...
View ArticleRe: Migrating from ADAU1701 to ADAU1401
Hi Fernando, It would of course be preferable that an ADI application engineer (or someone who has done the chip swap already) would answer this directly. In the meantime, searching the ADI...
View ArticleRe: AD9901 Phase Detector
Hi,The AD9901 works very well as a stand alone phase detector. It doesn't care a whit about feedback loops. I use it as a phase detector, which drives an ADC.My microcontroller can then do whatever it...
View ArticleIs AD9910 IO_UPDATE line gated by chip select?
Hi,I have a few AD9910s that need to share a common serial port from my MCU. I use chip select to enable serial IO to one device at a time. My question is: Can several AD9910s share a common IO UPDATE...
View ArticleBF609 ethernet DMA Setting by CCES
HIi have questions about ethernet DMA buffer Setting By CCES, i need more DMA buffer to receive multi-connect(24 connects) ethernet packects(4 packets in 30us). because the EMAC Rx buffer only 128...
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