Power supply for router.

Started by casperPro 10 months ago6 replieslatest reply 10 months ago73 views
Hi,        I am trying to power an AR9331 router using a power supply I have made. The AR9331 requires a 3.3V supply. My power supply takes 12V as input,...

Ultrasonic 2/5 KW Power Amplifiers

Started by naumankalia 10 months ago14 views
Hi allI am searching some commercially available industrial grade power amplifiers:1.In the frequency range of 80 KHz to 140 KHz with output power of 2 KW to 50...

ZigBee Preamble

Started by cogwsn 1 year ago5 replieslatest reply 1 year ago255 views
Hello, In ZigBee (802.15.4), is there a preamble like WiFi (STS, LTS). I have not studied much details, but from first view it looks like there are sequence of...

Cross talk in ADC channel due to noise on PCB

Started by fatimak 1 year ago5 replieslatest reply 1 year ago132 views
Hi,    I am working on a board with 4 Dual-Channel ADC ADS42LB69 and though the ADC has a 100 dB channel isolation the cross talk on the channels due to PCB noise...

Regarding current limiting series resistor

Started by sgeorge979 1 year ago3 replieslatest reply 1 year ago94 views
Hi All,I am writing regarding an article that I read, "Protecting Inputs in Digital Electronics" written by Solutions Cubed, Inc.in Digi-Key's technical library,...

New Email Notifications System

Started by stephaneb 2 years ago5 replieslatest reply 1 year ago175 views
If I implemented the new email notification system well, this new thread should trigger an email notification to all members who have been approved to participate...

AGC for ZigBee, Wifi and Bluetooth in Commercial Cell Phones

Started by cogwsn 1 year ago7 replieslatest reply 1 year ago148 views
Hi, In the commercial cell phones mostly we have WiFi, ZigBee and Bluetooth working. I was wondering if they use the same RF front end for sampling the signals...

Embedded World Videos Now Online

Started by stephaneb 1 year ago124 views
Maybe you've seen my latest blog post?  Producing these videos has been very fun and I plan on doing many more in the future.  If you only have a couple of minutes,...

PCB simulation and layout

Started by ombz 1 year ago13 replieslatest reply 1 year ago251 views
Dear all, This is probably an always re-occurring topic within electronics forums and one that probably leads to plenty of subjective inputs and hence: discussion....

Filter-Amplifier circuit for Low Voltage I/P circuitry.

Started by mBD_char 1 year ago4 replieslatest reply 1 year ago19 views
Hello,I'm designing my first ever circuit for a hobby project. I've a sensor that outputs in mV and a controller with ADC. The ADC is 16 bits, VDDA = 3.0 V, Temp...

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