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Date
Re: Low Output (was Sunday)
wrote: with the lpf in circuit. I've checked the lpf cut-off and I would expect some attenuation but not that much. I tried an irf530 which promptly overheated and destroyed itself as I increased
By ashhar_farhan <farhan@...> · #36 ·
Re: Substitutions or Sourcing components
Thanks Hans, and many thanks for the offer of help, much appreciated! 73, Jon H.
By Jon Harris <jon@...> · #34 ·
Re: What are tap washers ?
Hmm, good question. An American asked me recently what a "jubilee clip" was - that was a struggle. A tap washer is a thin shim of rubber/nylon/fibre that fits inside a water tap (faucet?) - like in
By Mark Jones <Mark@...> · #33 ·
What are tap washers ?
Please could somebody explain to a non-native speaker what "tap washers" are and where to source them? I guess this must be some sort of "plastic toroid" (ab)used as a coil former. But what is
By Heinz Schnait <oe5eep@...> · #32 ·
Re: We're off and running!
Now the heat's really on at Hans Compoments Inc, then ;-) I used the tap washers for the inductors. Mine are a black rubbery type of material, I didn't find white nylon ones like Farhan's photos.
By Hans Summers <Hans.Summers@...> · #31 ·
Sunday
I wonder how much output everyone's getting from the IRF510? I can get 2.5 watts rf maximum but this drops to well under a watt with the lpf in circuit. I've checked the lpf cut-off and I would
By david.g3ryp <david.g3ryp@...> · #30 ·
Re: Fw: First QSO with the BITX20 Transceiver (fwd)
---------- Forwarded message ---------- Date: Sat, 19 Jun 2004 22:08:39 -0700 From: Pete Juliano <jessystems@...> To: Ashhar Farhan <farhan@...> Subject: Re: Fw: First QSO with
By Ashhar Farhan <farhan@...> · #35 ·
We're off and running!
Hi All I've completed the VFO today, some pictures on the reflector. Just need to wait for Hans Components Inc before we go any further. VFO swinging from 4.25MHz to 4.4MHz - very adjustable with
By Mark <Mark@...> · #29 ·
Re: Substitutions or Sourcing components
Jon, I'll send you an email tomorrow with final details. 72/3 de Hans G0UPL
By Hans Summers <Hans.Summers@...> · #28 ·
Re: Substitutions or Sourcing components
Please, do not send me any money yet! Now I have 6 orders, which takes us to the 100+ pricing for the BC547B so everything will become slightly cheaper. Thanks for your emails, I will reply
By Hans Summers <Hans.Summers@...> · #25 ·
Re: Substitutions or Sourcing components
i am in delhi and i iaccidentally discovered the outlet of a major manufacturer of those tv balun cores. i have bought 500 of them for Rs.200 (about 4 dollars). sending it across to england and usa
By Ashhar Farhan <farhan@...> · #27 ·
Re: Fw: First QSO with the BITX20 Transceiver
dear pete, very good on your efforts. which crystals are you using? the Cb crysals available for 9MHz are quite cheap. i am using a PC-based AGC system with some kind of noise blanker and even
By Ashhar Farhan <farhan@...> · #26 ·
Re: Substitutions or Sourcing components
Sign me up too Hans, where do i send the cash! Cheers, Jon H.
By Jon Harris <jon@...> · #24 ·
new pictures
i have posted some pictures of the rig that were in my mailbox. three of them are from hans, from andy. - farhan
By ashhar_farhan <farhan@...> · #23 ·
hans generous offer
HI everyone, got an urge to return to homebrew,This looks a good restarter project. posted an order direct to you Hans.Thanks. Jack
By wiimford <ford1@...> · #22 ·
Re: Substitutions or Sourcing components
Ok Mark, I'll wait a few days to see if anyone else wants to be included. For the benefit of new members who mightn't have read my post the other day: I have an account with Rapid Electronics and
By Hans Summers <Hans.Summers@...> · #21 ·
Re: Substitutions or Sourcing components
Hi Hans Happy to go for a 6.21 order from you! Regards, Mark G0MGX
By Mark Jones <Mark@...> · #20 ·
Re: Hi gang!
HI all just an introduction as requested. Name Mark, QTH Derby - central England. Been looking for a QRP SSB project for a while and this looks just the job. Not started yet but will find some time
By Mark Jones <Mark@...> · #19 ·
Re: FW: First QSO with the BITX20 Transceiver (fwd)
Hi Pete, congratulations Pete - looks like you are the first! - did you use the PCB layout, or point to point. How about posting a few pictures for inspiration for the rest of the group. 73 de VK3BFA
By Andrew VK3BFA <ablight@...> · #17 ·
Welcome to W7ZOI
we have om wes, w7zoi on the list. we all know him like an old friend from his books and articles. this is a remarkable moment. - farhan
By Ashhar Farhan <farhan@...> · #18 ·