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Re: Help: Audio is pumping on bands 17 and 15.
software is version 66.9. Only RF board with RX component installed No BPF or LPF board? installed No SHUTDOWN component installed I can receive stations via RX. Turn radio on, set to band 40 No
By WF.Fiebig@... · #33939 ·
Re: Help: Audio is pumping on bands 17 and 15.
Sorry, forgot to add that the software is version 66.9.
By bty84827531 · #33938 ·
Re: Help: Audio is pumping on bands 17 and 15.
1) Turn radio on, set band to 20m 2) Turn radio off 3) Turn radio on, note no audio pumping 4) Change band to 17m, note audio pumping starts 5) Change band to 15m, note audio pumping 6) Change band in
By bty84827531 · #33937 ·
Re: T41 V12 software development path forward
Awesome work Oliver!
By D Solt · #33936 ·
Re: JLCPCB Price Increase
Or just put in an order but never push the ¡°go¡± button¡­ Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch ¨C K9ZC Staunton, Illinois
By K9HZ · #33935 ·
Re: T41 V12 software development path forward
Oliver, Based on my 30+ years as an embedded firmware engineer, I think you're on the correct path! The path is somewhat slower up front, but will prove to be faster overall because debug will be
By Larry - AC8YE · #33934 ·
Re: T41 V12 software development path forward
Update time! I've been working steadily on the code changes for the last month. I've taken this as an opportunity to learn more about test-driven development and the concept of writing unit tests for
By Oliver KI3P · #33933 ·
Re: Help: Audio is pumping on bands 17 and 15.
Can you please give an exact sequence of steps to reproduce this error, starting with a radio that is turned off. I think I can reconstruct it from your description, but want to be sure. Please also
By Oliver KI3P · #33932 ·
Re: Test Equipment
This is from the manual on the one with SA functions ¢ÙThe amplitude gain scale value of the output signal relative to the input signal, which is linearly distributed. ¢ÚThe amplitude gain curve of
By Tim · #33931 ·
Re: T41 Books for sale - signed copies Latest version
Al, :-) Please ship me one. Thank you!!! Konrad/KA1LD [email protected]> wrote:
By Konrad Kristensen · #33930 ·
T41 Books for sale - signed copies Latest version
After HamVention, we have a few signed copies of the latest version left over. We are offering them for the HamVention price of $40.00 + USA shipping of $8 for USPS media rate. (a bit slower, but lots
Re: Test Equipment
Yes I think I paid $120ish for it. Just ordered the 350mhz one with SA functions. Looks to have tracking generator function because is shows Bode plot on web. Tim
By Tim O'Rourke · #33928 ·
Re: JLCPCB Price Increase
You could ask Justin AI6YM what he paid for his boards to be populated. Tim W4YN
By Tim O'Rourke · #33927 ·
Re: JLCPCB Price Increase
Here's the details for 5 each of 2 different PCBs from JLCPCB: Merchandise Total: $6.06 Shipping Charge: $37.10 Customs duties & taxes: $3.63 Sales Tax:$2.86 Order Total: $49.65 @Jerry - Probably
By John P · #33926 ·
Re: Test Equipment
Hi Tim, is the Fnirsi scope-multimeter the one that costs about $90?? I've been interested in that one.? I have not seen the tablet. The Fnirsi RLC tweezers are great!? I was using them recently to
By Greg KF5N · #33925 ·
Re: JLCPCB Price Increase
Hi Jack- I've never done that yet.? However, PCBWay provides that service, and they should be able to quote it. The boards I have received from PCBWay are excellent quality.? Just a guess, their
By Greg KF5N · #33924 ·
Re: JLCPCB Price Increase
Greg: What would be your best guess if, say, the RF board were populated with all SMD parts, including IC's, but not the "standup" parts like voltage regulators, electrolytics, IDC/SMA connectors?
By jjpurdum · #33923 ·
Re: JLCPCB Price Increase
From PCBWay, my orders of five prototype 100x100mm boards has been about $28 for quite a while. The last order, after the May tariffs kicked in, was $55.? There is tariff, tax, and tariff processing
By Greg KF5N · #33922 ·
Re: JLCPCB Price Increase
According to the shipping charges on their website, DHL is running $22.82. In addition, "Global Standard Direct Line" is back. But not $1.50, rather $12.69. I think this reflects tariff costs plus the
By jerry-KF6VB · #33921 ·
Re: Test Equipment
I have a full range of Siglent equipment however for recent Electronics merit badge I used one of these: ** FNIRSI? 2C53P 3-IN-1 50MHz 250MS/s Dual Channel Tablet Touchable Oscilloscope
By Tim · #33920 ·