Thursday, March 3, 2011

Re: [HamBrewers] Re: 2M VHF

 

Apart from hard to find parts as told by WJM this old cordless, they
also have 2SC1971 transistor. 15 volt 2 amp transformer. And the
cabinet am still using for my dual bander BITX. This discarded long
range telephone on ham band were available as low as Rs 60/- each.
73's VU3SXT

On 03/03/2011, rahul srivastava <lkorahul@yahoo.com> wrote:
> Try to pic up old cordless phone from junk market. Older the better, will
> have all the IF coils MC3361 fm subsystem, ceramic filters etc. Fancy
> Panasonic brand may have all SMD stuff where as 1.2K when new chineese ones
> will be all discreet.
>
> 73's
>
> Rahul VU3WJM
>
>
>
>
>
> --- On Thu, 3/3/11, uniconganesh <ganesan4u@hotmail.com> wrote:
>
>
> From: uniconganesh <ganesan4u@hotmail.com>
> Subject: [HamBrewers] Re: 2M VHF
> To: HamBrewers@yahoogroups.com
> Date: Thursday, 3 March, 2011, 7:23 PM
>
>
>
>
>
>
> Dear OM,
>
> Components for 2M VHF Receiver.
>
> 1)MC3361----Rs150/-
> 2)MC3357----Rs175/-
> 3)MC3359----Rs175/-
> 4)MC2833----Rs150/-
> 5)455Khz Quad coil IFT(TOKO-7MCS-8128Z)EQU-----Rs35/-
> (waiting for shipmemt 15-20days)
> 6)455Khz 3 leg ceramic filter----Rs35/-
>
> Add Rs50/- for shipment in india.
>
> All are limited stock,subject change in price value due to daily $ import
> duty.
>
> [NOTE: iam not representing any company/marketing ,iam a learner and home
> brewer and want help the VU hams in electrnics components source. by the by
> fund rasing from the sale of this component for my undergoing project for
> the VU hams community]
>
> Regarding any active & passive components for RF homebrewing pls contact
> me.(Transistors,IC,RF Connectors etc.)i can arrange for Delivery.
>
> 73,
> N.Ganesan
>
> --- In HamBrewers@yahoogroups.com, "K Rajesh" <kc2kby@...> wrote:
>>
>> Dear Prabakar, That one chip has eluded me. Can you please share the
>> details
>> of your mod?
>>
>> 73's
>>
>> Rajesh K
>> KC2KBY/VU3RGK
>>
>> -----Original Message-----
>> From: HamBrewers@yahoogroups.com [mailto:HamBrewers@yahoogroups.com]On
>> Behalf Of prabakaran prabakar
>> Sent: Friday, February 11, 2011 8:56 PM
>> To: hambrewers@yahoogroups.com
>> Subject: RE: [HamBrewers] Re: 2M VHF
>>
>>
>>
>>
>> i am using modified CXA1019 FM Radio circuit from 2006 for 2m reception.
>>
>>
>> _____
>>
>> To: HamBrewers@yahoogroups.com
>> From: sambhu_ec@...
>> Date: Fri, 11 Feb 2011 14:54:34 +0000
>> Subject: [HamBrewers] Re: 2M VHF
>>
>>
>> yes..there will be heavy drifting.i am planning to use a pll controlled
>> with
>> a pic.. i have procured almost all the components needed for the RX,
>>
>> But the coils to be wound lacks information in the document also
>> Is there anyone in this group who has experience with the same kit
>> Does anybody has the winding details of coils in RECEIVER board..
>> thaks again Raj and prabhakaran for their replies
>> --- In HamBrewers@yahoogroups.com <mailto:HamBrewers@yahoogroups.com> ,
>> "Raj" <vu2zap@> wrote:
>> >
>> > Prabhakaran,
>> >
>> > One of the problem is that simple mods will end up with low volume and
>> > it
>> will pick up multiple stations due to >100Khz BW. We have change the
>> filters
>> and increase audio gain then it will do a great job. OTOH, the oscillator
>> will drift a lot and it will be irritating to retune now and then!
>> >
>> > Welcome to the group!
>> >
>> > Cheers
>> > Raj vu2zap
>> >
>> > --- In HamBrewers@yahoogroups.com <mailto:HamBrewers@yahoogroups.com> ,
>> "prabakaran.D" <bcdxer@> wrote:
>> > >
>> > >
>> > > For 2M FM receiver alone, you can modify any available fm radio
>> > > receiver
>> kit.
>> > > I am modified several of this kits for 2m reception.
>> > >
>> > >
>> > > --- In HamBrewers@yahoogroups.com <mailto:HamBrewers@yahoogroups.com>
>> > > ,
>> "Raj" <vu2zap@> wrote:
>> > > >
>> > > > Please attach the PDF file so that we can see the project.
>> > > >
>> > > > --- In HamBrewers@yahoogroups.com
>> > > > <mailto:HamBrewers@yahoogroups.com>
>> , "sambhu" <sambhu_ec@> wrote:
>> > > > >
>> > > > > 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
>> > > > >
>> > > >
>> > >
>> >
>>
>
>
>
>
>
>
>
>
>

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