AD8348 impedance matching spec?
We are trying to get a board designed for a new product prototype, and ran into some questions with the AD8348 I/Q downconverter. This device states that it has a 200 ohm input and recommends a...
View ArticleRe: ADV7441A/AD9388A support WUXGA resolution
Hi Joseph, Please see the following thread:Re: ADV7441A: Issue with 1920x1200 digital inputs -Matt
View ArticleRe: Information on DDS device tree for FMCOMMS2/3
Ok thanks Lars. I found the issue causing the image with my code when casting the floats to unsigned integers for the device buffer. It looks like the maximum value should be (2^15-1) for a 16-bit...
View ArticleRe: ADV7630 SInk hotplug issue
Hi Joseph, The ADV7630 experts were able to reproduce the behavior I described and are discussing with the design team. This might make testing scripts a little tricky, but I think it is no issue when...
View ArticleRe: file transfer over USB
Hi Sonic, We are looking to run STDIO service over USB to enable the communication between the blackfin and a windows host application WinUSB driver. not the gadget ethernet. Thanks & Best Regards,
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Re: AD9834 Amplitude Shift Keying(ASK) realization
You are getting into power amplifier territory with 1W requirements. Analog Devices acquired Hittite about 1 month ago. I would look at their website for suitable PAs....
View ArticleRe: Re: ADF4351 PLL programming question
I put your settings into our software and got the values in the attachment.
View ArticleRe: Use both samples on AD7746 EVAL board?
Hello Greg, The samples on the evaluation board are provided for you to remove and place in your own system; they are not connected to anything else on the board. The AD7746 only has one I2C address,...
View ArticleRe: AD9230 differential input curiosity
Hi, You are correct, the LVDS signals need to be terminated into a resistive load, common value is 100ohms. Many applications need to ac couple the signal into this termination to avoid common mode...
View ArticleHelp: TWI/I2C Repeated Start Issue
Hi, I'm using the TWI interface from a ADSP-21489 to talk with a TMP411 remote temperature sensor. This project has specific requirements to use a polling method instead of interrupts. To obtain the...
View ArticleRe: ADUM3200 Working Voltage Specs?
Hi Sam, We have some data on DC working voltage that I can share with you, I'll send you a PM with my contact info. DaveC
View ArticleRe: Queries about AD9864's RSSI
Hello, The RSSI is a coarse "linear detector" that measure the ABS(I)+ABS(Q) value of the input signal has shown in figure 58. It is typically used in conjunction with the AGC since its output is...
View ArticleRe: AD8348 impedance matching spec?
Input Z is 200 Ohms. The 11.5 dB loss is a power loss. The voltage loss is 5.5 dB (basically the voltage divider between the 200 Ohm input Z and the 174 series R). If you turn the L-pad around and...
View Article.I would like to do FFT in BF514f16 ..i am a beginner ..please guide...
I would like to do FFT in BF514f16 ..i am a beginner ..please guide me..thank you in advance... Message was edited by: Tamil Mughil
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AD9361 multi-chip baseband synchronization guide
Is there an application note ou guide about synchronization of multi-AD 9361? We need schematics and settings details. We would like to use two AD9361 with the same Ref Clock (external). Thanks.
View ArticleRe: BF60x USB endpoint 0
Thanks, Jorge! That is exactly what I was looking for. However, I don't see this information in the Hardware Reference Manual. Are all Blackfin DSPs set this way, or is this information located...
View ArticleRe: AD9665 mounting image
Dear Jino Thank you very much for your support. I would like to make sure.You means,The exposed pad doesn’t have to connect to ground.That note “The exposed pad should be connected to ground” means...
View ArticleEVAL-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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