Re: JST crimping
I found this tool on Amazon. Has anyone used this tool? <https://www.amazon.com/gp/product/B0D1FR76Q7> Mike N2MS
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Mike N2MS
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#8943
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Re: 2N2/40+ Transceiver Schematics
I strongly suspect all of these "24 values" use the same die (maybe a different one for PNP types), in packages with different markings. I measured noise levels of 2N3904 and PN2222 from aliexpress,
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vbifyz
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#8942
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Re: 2N2/40+ Transceiver Schematics
I like Tayda's diecast enclosures and potentiometers Doug. I bought some sub-mini toggle switches from them that turned out to have intermittent contacts, so I ended up discarding them. I've bought
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Dave AA7EE
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#8941
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Re: JST crimping
I use these JST XH connectors in my projects. You need the proper crimping tool to do it right. The choice of crimping tool? and the correct position for your wire gauge ?is vital. A lot of the
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hwstar
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#8940
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Re: JST crimping
I gave up on that crimping and went with pre-crimped from pololu.com https://www.pololu.com/category/19/connectors *Headers, housers, pre-crimped male and female wires, etc.* *Works well for the
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Daniel KK4MRN
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#8939
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JST crimping
Can someone please help me to learn how to crimp JST XH connectors?? I have watched over 2 dozen youtube videos that claim to be for JST but are actually for DuPont connectors which are longer than
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Jim Pruitt WA7DUY
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#8938
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2N3053
I think someone was looking for a source for 2N3053 transistors. A pack of 10 pieces on Amazon is $9.90 with 4.2 star reviews. They are sold by and ship from Amazon. Manufacturer is listed as "Major
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Jim WB4ILP
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#8937
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Re: 2N2/40+ Transceiver Schematics
------------------------------------------------------------------------------------------------------------------------------------ One more solid source with tons of stock:
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Doug W
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#8936
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Re: 2N2/40+ Transceiver Schematics
Game on!! 840pcs TO-92?? 24values/35pcs-each/840pcs total? $10.99? at aliexpress.? Can be found on amazon.com. 500pcs? 24value/10-30each(0.1uF has 30...)/500pcs total? $15.22 ... becoming a
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chuck adams
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#8935
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Re: 2N2/40+ Transceiver Schematics
About a week ago, I had 5 of those transformers in my cart Alan. When I was ready to order, they only had 3 available to ship. In a way, you helped me. I've been ordering an awful lot from Mouser
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Dave AA7EE
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#8934
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Re: Multi-function test jig idea for homebrew radios.
Here are the updated schematics and board layout pictures for the multifunction tester. 1. The diode tester has been completely revamped. It now has its own adjustable current source, and a way to set
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hwstar
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#8933
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Re: 2N2/40+ Transceiver Schematics
Hi Dave, I already ordered and received 4 audio transformers, 42TM003-RC from Mouser :) Unless I hear different I am comparing the schematics to the parts list and the schematics has priority. The
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Alan N8WQ
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#8932
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Re: Protoboards
Thanks everyone for comments and suggestions. It's a good time to be a home-brewer. 73 de Todd W2TEF
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Todd W2TEF
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#8931
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Re: 2N2/40+ Transceiver Schematics
I must admit that I don't pay much attention to parts lists. I tend to work from the schematic, and compile my own list of parts. If I were building a 2N2/40+, I'd start with these schematics (
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Dave AA7EE
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#8930
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Re: Protoboards
Hi Todd, I rolled my own already, because ordering 10 boards from JLCPCB is already cheaper than other options. https://oshwlab.com/3ym3ym/RF_prototyping_board Look for the second version of the PCB,
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vbifyz
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#8929
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Edited
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Re: Protoboards
Todd For many of us modular construction goes well, and the modules can be enjoyed in more than one project. And means of construction can be varied. Yes having a practical means to mix SMT and leaded
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Curt
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#8928
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Re: Protoboards
Ryan, thanks for the quick response and link to video. And thank you for a great proto board with free gerbers! To me it makes a lot of sense as a Manhattan-alternative. Dead bug makes sense.
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Todd W2TEF
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#8927
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Re: Protoboards
The W7RLF board is designed to use IC's either dead-bug style, or with the grounds being used to mount the IC to the groundplane only, and the rest of the pins being bent up to float above the board
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Ryan Flowers
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#8926
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Re: Protoboards
I've bought a few various PCB's but haven't used any yet. Take a look and you might be pleasantly surprised at the variety and price. Amazon is pretty amazing, we buy virtually everything from my
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Jim WB4ILP
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#8925
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Re: Protoboards
Jim, I did NOT know about that: thank you. I generally avoid Amazon in my own little one-person Quixote protest. But sometimes one just has to admit they've won and go there! Do you have some
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Todd W2TEF
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#8924
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