开云体育

Yes, MMBT3904.

it looks like this is MMBT3904 in SOT-23 package.? Unless I'm doing something wrong here. 73

Yes, Q90 is a 2n3904. If it is surface mount (I believe that is true of all uBitx versions), then the correct part number is MMBT3904, in a SOT-23 package. You could remove a surface mount MMBT3904

Thanks for al =l the responses.? Thanks again Evan for your most valuable input.? It looks like you are right about Q90.? Looks like Base / Collector short. Basically 12 volts on each with mike

The Arduino IDE also uses the gcc compiler. The big advance of Arduino was to provide consistent ways to easily talk to low level hardware across a number of different processors. They try to make it

Glad you're working on those low pass filters. Last year I build multiple bandpass filters for our field day efforts.....WOW that turned out to be a huge pain in the rear, and I never realized how

C code is generally compiled with gcc. I just edited a file: tryit.c ---------snip------------ #include <stdio.h> int main() { printf( "hello, world\n" ); } ------------ endsnip -------- At the

Jack, You write using your favourite editor, mine is vim. Then, there is a batch file called build that compiles it with gcc. For debugging you can use gdb. It is standard gnu C toolchain. - f

Jack, Raspberry pi coding environment - it's a Linux machine. There is a vast wealth of programming possibilities. Every language you could imagine. I generally connect to my Linux boxes via SSH, and

Jack The Pi is just another computer that is capable of running all the Linux programs and even some of the Windows applications. Any of the coding environments that are available in Linux, or any of

Hello, Adventure continues on my cheap Chinese linear - a necessity for the ubitx - because nobody hears me without it. Spending some time this morning characterizing the switchable LPF on a NanoVNA.

In Farhan's talk, he showed some C code that he wrote for the RPi. I don't know anything about the tools for writing C on the RPi. What is the coding environment (IDE?) and does it have a source-level

The Pi sounds like a good idea.? Get the one with 8 gig of RAM & then a 128 gig micro SD, & add? a couple of monitors - it can handle 2 (and I have 2).? This would make quite a system. Gerry Sent

Now that’s music to my ears! You did mention that one could use a mouse or a keyboard to control, so I figured that this wouldn’t be difficult. The one disadvantage to the Pi is the long boot

Buddy, I didn't have the time to say this.- at it's core, the sbitx is entirely a text based sdr. all the commands between the GUI and the sdr core are in text strings. I thought of it right at the

I was sort of listening to all of these while doing other things, but it seems to me that I was able to follow quite a lot of this, slides or no. I’m blind, so that I was able to follow the

The interface has been claimed via private email. Chris

I don't see any replies. I'll take it. John Norris K1CAG 2515 Solomon LaneNashville TN 37207

Yeah. That what is inside the JackAl. MRM

Talk: The Magic Band by Don Field G3XTT --------------------------------------- Don Field G3XTT will take us through the fascinating properties of the 6m Band which results in people calling it “The