EE: Inductors
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EE: Inductors
by Richard-177
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I have scoured the net looking for RF Oscillator inductors for am radio Standard AM Band. But no luck. I have looked for prewound tapped coils for Hartley oscillator configuration. If I can buy off-the-shelf it will be better than custom wound. Any one know if custom wound is the only option. The only circuit restraint is that the osc must be Hartley configuration.
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Re: EE: Inductors
by Richard Prosser
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Wind your own ??
And define "better" Is "bettter" higher Q, lower cost, smaller size, more consistent.....? RP 2009/11/6 Rich <rgrazia1@...>: > I have scoured the net looking for RF Oscillator inductors for am radio Standard AM Band. But no luck. I have looked for prewound tapped coils for Hartley oscillator configuration. If I can buy off-the-shelf it will be better than custom wound. Any one know if custom wound is the only option. The only circuit restraint is that the osc must be Hartley configuration. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist |
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Re: EE: Inductors
by Richard-177
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I was thinking mostly about lower cost and readily available in quantities
of 1000. Other parameters could be consistent with standard broadcast radio. I looked at Toko but it seemed that they had only if coils. ----- Original Message ----- From: "Richard Prosser" <rhprosser@...> To: "Microcontroller discussion list - Public." <piclist@...> Sent: Friday, November 06, 2009 4:30 AM Subject: Re: EE: Inductors Wind your own ?? And define "better" Is "bettter" higher Q, lower cost, smaller size, more consistent.....? RP 2009/11/6 Rich <rgrazia1@...>: > I have scoured the net looking for RF Oscillator inductors for am radio > Standard AM Band. But no luck. I have looked for prewound tapped coils for > Hartley oscillator configuration. If I can buy off-the-shelf it will be > better than custom wound. Any one know if custom wound is the only option. > The only circuit restraint is that the osc must be Hartley configuration. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist |
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Re: EE: Inductors
by Vasile Surducan-2
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Hi Rich,
Toko definitely has such inductors, I guess you need a variable one for 455KHz ? Vasile On 11/6/09, Rich <rgrazia1@...> wrote: > I was thinking mostly about lower cost and readily available in quantities > of 1000. Other parameters could be consistent with standard broadcast > radio. I looked at Toko but it seemed that they had only if coils. > > > > > ----- Original Message ----- > From: "Richard Prosser" <rhprosser@...> > To: "Microcontroller discussion list - Public." <piclist@...> > Sent: Friday, November 06, 2009 4:30 AM > Subject: Re: EE: Inductors > > > Wind your own ?? > > And define "better" > Is "bettter" higher Q, lower cost, smaller size, more consistent.....? > > RP > > 2009/11/6 Rich <rgrazia1@...>: > > I have scoured the net looking for RF Oscillator inductors for am radio > > Standard AM Band. But no luck. I have looked for prewound tapped coils for > > Hartley oscillator configuration. If I can buy off-the-shelf it will be > > better than custom wound. Any one know if custom wound is the only option. > > The only circuit restraint is that the osc must be Hartley configuration. > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist |
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Re: EE: Inductors
by Richard-177
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Yes, Vasile. Thank you for asking.
----- Original Message ----- From: "Vasile Surducan" <piclist9@...> To: "Microcontroller discussion list - Public." <piclist@...> Sent: Saturday, November 07, 2009 1:23 PM Subject: Re: EE: Inductors > Hi Rich, > > Toko definitely has such inductors, I guess you need a variable one > for 455KHz ? > > Vasile > > On 11/6/09, Rich <rgrazia1@...> wrote: >> I was thinking mostly about lower cost and readily available in >> quantities >> of 1000. Other parameters could be consistent with standard broadcast >> radio. I looked at Toko but it seemed that they had only if coils. >> >> >> >> >> ----- Original Message ----- >> From: "Richard Prosser" <rhprosser@...> >> To: "Microcontroller discussion list - Public." <piclist@...> >> Sent: Friday, November 06, 2009 4:30 AM >> Subject: Re: EE: Inductors >> >> >> Wind your own ?? >> >> And define "better" >> Is "bettter" higher Q, lower cost, smaller size, more consistent.....? >> >> RP >> >> 2009/11/6 Rich <rgrazia1@...>: >> > I have scoured the net looking for RF Oscillator inductors for am radio >> > Standard AM Band. But no luck. I have looked for prewound tapped coils >> > for >> > Hartley oscillator configuration. If I can buy off-the-shelf it will be >> > better than custom wound. Any one know if custom wound is the only >> > option. >> > The only circuit restraint is that the osc must be Hartley >> > configuration. >> > -- >> > http://www.piclist.com PIC/SX FAQ & list archive >> > View/change your membership options at >> > http://mailman.mit.edu/mailman/listinfo/piclist >> > >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist |
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