Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »

Posts by leroy105‭

5 posts
75%
+4 −0
Q&A ESD USB Shield Connection & Filtering

I have a handheld ARM Cortex M based device, which has a USB input port. The product is battery powered and there is no metal chassis. We are going through CE testing, and are having ESD issues a...

4 answers  ·  posted 4y ago by leroy105‭  ·  last activity 3y ago by Pete W‭

66%
+2 −0
Q&A Filter RF Harmonics With Additional PI Network

I have a 900MHz radio with a reference design matching network. The radio feeds to a PCB antenna (PCB antenna hasn't been verified with a VNA, and may not be a great match; this is a project to n...

2 answers  ·  posted 4y ago by leroy105‭  ·  last activity 3y ago by leroy105‭

Question RF
66%
+2 −0
Q&A Filter RF Harmonics With Additional PI Network

We got a copy of the hardware and took a first crack using a lowpass Chebyshev filter at 950MHz (radio transmits up to ~930MHz). On the first pass, we got a .2dBm drop on the fundamental [margin o...

posted 3y ago by leroy105‭  ·  edited 3y ago by leroy105‭

Answer
66%
+2 −0
Meta Why are posts that users clearly approve of being closed?

Definently agree. This original post hits a whole punch of EE topics. Sure, if the OP was an expert in consumer microwaves and WiFi theory and RF and FCC Compliance - they could write an epic pos...

posted 3y ago by leroy105‭

Answer
50%
+1 −1
Q&A Why 3.3V instead of 3V?

Actually I think this is a really good question. It's kind of more historical though I guess (and I don't know the historical answer either, but from building products perspective I think this is...

posted 3y ago by leroy105‭  ·  edited 3y ago by leroy105‭

Answer