Fw: Re: Re: Bandpass filter smilter
--- In softrock40@..., windy10605@... wrote:> I would expect that the SR40 would respond to even harmonics but mine responds ONLY to odd multiples of the rx frequency I don't understand
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joe price <joeprice@...>
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#2608
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Fw: Re: [AQRP] Manhandle those .5mm pins
have Definitely less time consuming than my idea! I appreciate the input.
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fargonaz
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#2606
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Re: Bandpass filter smilter
Good observation Joe, you discovered the Achilles Heal of the softrock type detectors! Although it's not a serious problem, you have to be aware of it and limit front end filters response to
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KY1K <ky1k@...>
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#2604
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Re: [AQRP] Manhandle those .5mm pins
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Leon Heller <leon.heller@...>
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#2603
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Re: 100mhz Oscillator Source??
Thank you for the information. There are probably many "unknown" sources of electronic items that non-Silicon Valley people are unaware of. The only downside is that when we find one of these, at
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n3hkn <n3hkn@...>
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#2601
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Re: Bandpass filter smilter
Kees, When I first received my SR40 I replaced the input transformer with a wide band transformer made by RELCOM. I was using a DDS board to supply the Xtal input with the idea of just using bandpass
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joe price <joeprice@...>
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#2600
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Re: Bandpass filter smilter
to Hi Kees. What a brilliant observation! If a broadband front end works, then we simply need a 350pf variable cap at C25 for the luxury of manually adjustable 'band set' phase shift over the whole HF
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market10gardener <jseager@...>
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#2598
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Re: Another Soundcard Question
Brian, I purchased my SB Live at Xmas model number SB0490 it has the following note on box. Due to data transferlimitations of the USB 1.1 connection, it may not be possible to play back, record or
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joe price <joeprice@...>
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#2597
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Data Sheets\Solder Pastes\No-Clean\EP256 Global (10Jul04).pdf (application/pdf Object)
Here's the answer. The solder paste never gets above 210 C to reflow. Check out the chart on this link:
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John H. Fisher
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#2596
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Re: 100mhz Oscillator Source??
--------------------------------------------------------------- HSC Electronics has the 100mhz. It is a Abracon full size, 5 volt model. Your Price $2.
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Richard Gagnon <richg_1998@...>
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#2595
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Re: [AQRP] Manhandle those .5mm pins
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Leon Heller <leon.heller@...>
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#2594
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A question about the DDS AD9832
Hello all. I am still assembling my Softrock these days. But i was thinking of purchasing a DDS and an Evaluation board. The distributors here in Pakistan, only offer to bring the following DDS from
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Farhan <fanoo@...>
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#2593
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Re: [AQRP] Manhandle those .5mm pins
the I have a 20 pin QFN package that I have to attach. The best idea that has occured to me so far: hollow the the ground pad area of the pcb completely, then machine a slug, tin, heat and complete
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fargonaz
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#2592
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Re: Another Soundcard Question
How 'old' is your SB Live 24 External, is it likely that what they are selling now is 2.0 compliant? Or do I look for another unit.
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Brian Riley
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#2591
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Re: [AQRP] Manhandle those .5mm pins
Hi Guys, I don't know about the skillet, but the toaster oven reflow technique is getting to be very popular with home hobbyists. You can buy solder paste in a syringe for easy application. Apply a
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Bob Fish K6GGO <rwfish@...>
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#2590
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Re: [AQRP] Manhandle those .5mm pins
Chips with pins, what a luxury! The latest hobbyist challenge I've got is this puppy: http://www.tracey.org/wjt/temp/ltc2208-top.jpg http://www.tracey.org/wjt/temp/ltc2208-bottom.jpg No pins on this
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Lyle Johnson <kk7p@...>
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#2589
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Re: [AQRP] Manhandle those .5mm pins
I have no idea -- suspect it might void the chip's warranty (should it have one). I'd not planned on using this technique with anything I can hand solder - only with the little buggers where hand
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Bill Tracey <kd5tfd@...>
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#2588
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Re: [AQRP] Manhandle those .5mm pins
Just looked at the "skillet" reflow description. Question: How does this accommodate the usual component manufacturer's spec of maximum 350 deg C for 3 seconds? My experience is that surface mount
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Monty N5ESE <n5ese@...>
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#2587
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Re: Another Soundcard Question
on my P3 850 it was gasping for breath so i put it on my wife's Centrino 1.5G and it was better. But any USB activity would pretty quickly knock it back to 96/16 from 96/24. Even trying to ask for
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Jim Miller <jtmiller2@...>
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#2586
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Re: which soundcard should i get for Softrock v5 + Rocky??
I'm using the Creative Soundblaster live24 external with good results along with a 2g machine. I use the sound blaster as the input device and the on board sound for output. The Soundblaster provides
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joe price <joeprice@...>
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#2584
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