Forum Post: RE: Damaged AFE5808 in Evaluation Module
Hi,Actually I am working on Tx_sdk_v1 evm. For that +/- 50v dc power supply required, So I generated +/- 50v from auto transformer and bridge rectifier with capacitive filter But pulser IC got...
View ArticleForum Post: RE: need help on 16 channel US pulser
Thank you charlesIf i share same supply (-50V) for both VSUB and VNN then how can i follow the power up sequence.?As in TX_SDK_V1 user guide it is mentioned that power up sequence should start with...
View ArticleForum Post: RE: got damage at pulser IC in Tx_sdk_v1
Hi,Actually I am working on Tx_sdk_v1 evm. For that +/- 50v dc power supply required, So I generated +/- 50v from auto transformer and bridge rectifier with capacitive filter But pulser IC got...
View ArticleForum Post: RE: need help on 16 channel US pulser
Thanks charlesI will follow the sequence which you specified and get back to you
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Forum Post: Continuous Wave (CW) mode with TX-SDK-V1/NOPB
Hi, I am wondering about the continuous wave mode available on the evaluation module with the LM96570 and LM96551 chips:1) the National Semiconductor software that comes with the kit (NSC Ultrasound...
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Forum Post: RE: LM98620
Hello again,One more thing:Note that in the 3-channel mode, the TXCLK rate is the same as MCLK, and both are limited to 35Ms/s:Regards,Hooman
View ArticleForum Post: RE: LM98620
Dear Hooman, Thank you very much for your answer! I could understand. Masa
View ArticleForum Post: RE: Continuous Wave (CW) mode with TX-SDK-V1/NOPB
Hi Tyler,If you want to test the CW feature, you need to bypass the TX_SDK software and set the CW bit to 1 in the LM96570 by using a Microwire dongle. If the CW bit in the LM96570 is set to 1, it will...
View ArticleForum Post: RE: Continuous Wave (CW) mode with TX-SDK-V1/NOPB
Hi Charles, With CW mode enabled, will tying the Over Temp Protection (OTP) pin to the output Enable (EN) pin (through a logic gate as in the TX_SDK) sufficient to prevent damaged in cases where VPP...
View ArticleForum Post: AFE5808A LSB and Amplifier
Dear sir/madam:I am using AFE5808AEVM. In the datasheet the full scale is 2Vpp. And the resolution is 14bits so code resolution is 2/(2^14), right? But when I chose 10mVpp input and LNA set to 12dB,...
View ArticleForum Post: RE: Continuous Wave (CW) mode with TX-SDK-V1/NOPB
Hi Tyler,It all depends on how much power the device is dissipating, which depends only only on supply voltage and frequency but also output loading. If it's too much, the device will be damage before...
View ArticleForum Post: RE: need help on 16 channel US pulser
Hi Suresh,You can just use a Microwire dongle to program the LM96570 and write to the appropriate registers. Regards,Charles
View ArticleForum Post: RE: got damage at pulser IC in Tx_sdk_v1
Hi Chandu,The maximum VPP & |VNN| supply voltage are 55V. So if your unregulated supply can go higher than that, you might damaged the pulser.Regards,Charles
View ArticleForum Post: RE: need help on 16 channel US pulser
Hi Suresh,I am sorry. I am not familiar with the TMS320C6678 EVM. But one of the advantages of SPI interface is its flexibility in the data length.Regards,Charles
View ArticleForum Post: About CW output of AFE5809.
Can AFE5809 carry out ON/OFF control of the output for every channel at the time of SCW? (Although CW output of AFE is added in the latter part, I do not want to add the channel which is not used)If it...
View ArticleForum Post: RE: AFE5808A LSB and Amplifier
Jin, I have found what I believe is your issue: you are not actually feeding 10mVpp to the AFE input. Is there a way that you can confirm this? The AFE 50ohm activate termination does not work with...
View ArticleForum Post: need guidence in powering of Tx_Sdk_V1 EVM
hi,I have some doubts in powering the EVM.1) J_SUB pin at 1-2 position to minimize power supplies, then what is power on sequence? I think power on sequence -50v ,1.8v, 3.3v , +/-10v. +50v, am I...
View ArticleForum Post: doubt in Tx_sdk_v1 EVM
Hi, I have one doubt in using tx_sdk_v1. To generate the high voltage +/-50v voltage pulses we are giving the +/-50v power supplies to the pulser IC. But I want to generate the <50 v (15 or 20v...
View ArticleForum Post: RE: Questions about TX-SDK-V2 EVB
Hello Chandu,Please take a look at attached excel, I just wanted to show you how to setup a B-Mode operation voltages for any output voltage levels below +/-50V operation that you would like to...
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Forum Post: RE: Questions about TX-SDK-V2 EVB
Hi sir,thank for your reply, it is very useful for me. I have some more doubts, please guide me sir.1) For transducer connection at SMA connectors in Tx_sdk_v1, manual mentioned that need to remove...
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