Ham Radio Homebrew Informations: Re: [HamBrewers] Re: 2M VHF

I would have gone with Raz & Rahul's suggestion for ceramic resonater
even better commenly available @ Rs 10 a pair 2pin/3pin, also it's
bandwith can be narrowed using pf fixed or trimmer in series.

On 14/02/2011, VU2POP <vu2pop@gmail.com> wrote:
> Hi Sajeesh
> A pack of 4 IFTs available at Kelitronix , SP rd , Bangalore,
> Best 73
> Pop
> VU2POP
>
>
> ----- Original Message -----
> From: Sajeesh Pilakkat
> To: HamBrewers@yahoogroups.com
> Sent: Monday, February 14, 2011 9:24 PM
> Subject: Re: [HamBrewers] Re: 2M VHF
>
>
>
>
> I wonder where one get the 455khz IFT that used get plenty earlier but
> hardly any one sells now a days.
>
> 73s
> Vu3Psz
>
>
>
>
> ----------------------------------------------------------
> From: Rajesh Kannan <kc2kby@airtelmail.in>
> To: HamBrewers@yahoogroups.com
> Sent: Mon, 14 February, 2011 6:04:30 PM
> Subject: Re: [HamBrewers] Re: 2M VHF
>
>
>
> It is the can with Yellow paint on the screw. If you pull it out of an old
> transistor, it is tuned!
>
> 73's
> Raj
> VU3RGK
>
> On Mon, Feb 14, 2011 at 5:40 PM, Mathew P.C <pcmathew2003@yahoo.co.in>
> wrote:
>
>
>
> Hi,
> L9 - Use transistor IF coil which can be tuned to 455kHz.
> Mathew
>
> --- On Sun, 13/2/11, sambhu <sambhu_ec@yahoo.com> wrote:
>
>
> From: sambhu <sambhu_ec@yahoo.com>
> Subject: [HamBrewers] Re: 2M VHF
> To: HamBrewers@yahoogroups.com
> Date: Sunday, 13 February, 2011, 9:03 PM
>
>
> Sir,
> Thanks for the data.one friend Tarun has also provided this
> today..
> Thanks for both of you..
> Glad to hear you have much experience with this Rig..I have one
> more doubt
>
> L9 is Quadrature detector coil.
> In the data provided,it is directed to use 'Standard 455khz
> coil'
>
> is this the same IF coils used in old transistor radios?
> Yellow,Green and White..Which one should i use??
>
> Thanking once again Sir
> --- In HamBrewers@yahoogroups.com, "Mathew P.C"
> <pcmathew2003@...> wrote:
> >
> > Hi ,
> > Attached, please find, the coil data for 2M VHF by vu2EM,
> which uses the ckt by VU2IF.
> > I have constructed two nos. of the transceiver and they are
> still in use with excellent result. The only problem with the rig is that it
> has only two channels, 145.5 and 145.2MHz.
> > I am very glad to share my experience with the home brewing.
> >
> > vu2mtw (P.C.Mathew)
> >
> > --- On Fri, 11/2/11, sambhu <sambhu_ec@...> wrote:
> >
> > From: sambhu <sambhu_ec@...>
> > Subject: [HamBrewers] 2M VHF
> > To: HamBrewers@yahoogroups.com
> > Date: Friday, 11 February, 2011, 2:12 PM
> >
> > Hello Friends,
> >
> > I want to build a 2m receiver..I have decided to follow the
> architecture of VU2IF 2m vhf transceiver. But over the internet i cant find
> the RX coil data. Only the coils in the TX portion is described in the PDF
> available in internet.
> >
> > if somebody has the winding details of coils in RX portion,
> then kindly share with me
> >
> >
> > By the way i will explain a bit about my idea..
> > 1. RF amp using BF 988
> > 2. Mixer using the same DG MOSFET
> > 3. FM IF using MC3359
> > 4. A PLL oscillator designed around a PIC and LMX 2306 or ADF
> 4116
> > 5. AF amp TBA 810
> >
> > Waiting for your help,
> > Thanking in advance
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
>
>
>
>
>
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