Ok thank you for the replay...it is for the HF bands......
many thanks
joe
----- Original Message -----
From: <amps-request@contesting.com>
To: <amps@contesting.com>
Sent: Monday, May 23, 2005 3:20 AM
Subject: Amps Digest, Vol 29, Issue 40
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> Today's Topics:
>
> 1. Re: FW: pi to pi-L o/p matching question (jeff millar)
> 2. Re: RENEGADE CUSTOM 300B (John Bodine/K2UBG)
> 3. Re: RENEGADE CUSTOM 300B (Will Matney)
> 4. IC-746Pro Timing between SEND output and RF (jeff millar)
> 5. Re: FW: pi to pi-L o/p matching question (John Irwin)
> 6. Re: FW: pi to pi-L o/p matching question (Barrie Smith)
> 7. Re: FW: pi to pi-L o/p matching question (Will Matney)
> 8. Re: FW: pi to pi-L o/p matching question (Barrie Smith)
> 9. 3cx3000a7 choke (Joe Francalanza)
> 10. 4-1000 Chimney (aborg)
> 11. Re: 3cx3000a7 choke (Phil Clements)
> 12. Re: 4-1000 Chimney (Gary Smith)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 22 May 2005 12:54:14 -0400
> From: jeff millar <wa1hco@adelphia.net>
> Subject: Re: [Amps] FW: pi to pi-L o/p matching question
> Cc: amps@contesting.com
> Message-ID: <4290B936.5070408@adelphia.net>
> Content-Type: text/plain; charset=us-ascii; format=flowed
>
> Interesting discussion (and I like the calculator, too). But, a
> question, where do you get the information about the plate load
> constant?...any way to derive it from the published information about
> the tubes?
>
> jeff, wa1hco
>
> Larry Carman wrote:
>
>>Tony,
>> Thanks for the suggestion. I'll work on adding a drop down box to
>> select
>>the tube family. For the short haul I'll just increase the AB2 to 1.65.
>>Not sure where I might get the tube family info, so if anyone can
>>help I'd greatly appreciate it.
>>Regards,
>>Larry N5BIP
>>
>>-----Original Message-----
>>From: Tony King - W4ZT [mailto:amps@w4zt.com]
>>Sent: Saturday, May 21, 2005 11:11 PM
>>To: Larry Carman
>>Cc: amps@contesting.com
>>Subject: Re: [Amps] FW: pi to pi-L o/p matching question
>>
>>
>>Larry,
>>
>>Your Plate Load calculator for an AB2 amp seems to be using a constant
>>of about 1.55 which might be a bit on the low side. The 8877 might be
>>close at 1.6 but a number of other tubes would be closer to 1.8 to 2. I
>>wondered what you used to determine the constant? If there was another
>>input field to select a tube "family" to set the constant it might be
>>helpful.
>>
>>Good job!
>>
>>73, Tony W4ZT
>>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 22 May 2005 13:26:12 -0400 (GMT-04:00)
> From: John Bodine/K2UBG <k2ubg@earthlink.net>
> Subject: Re: [Amps] RENEGADE CUSTOM 300B
> To: amps@contesting.com
> Message-ID:
> <24766414.1116782772498.JavaMail.root@wamui-cypress.atl.sa.earthlink.net>
>
> Content-Type: text/plain; charset=us-ascii
>
> James,
>
> Are you running this amp on 220vac?
>
>
> John/K2UBG
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sun, 22 May 2005 14:47:26 -0400
> From: "Will Matney" <craxd1@ezwv.com>
> Subject: Re: [Amps] RENEGADE CUSTOM 300B
> To: amps@contesting.com
> Message-ID: <200505221447260200.00BE21E9@mail.ezwv.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Johns right, I never thought of that. Is it possible it is connected for
> 220 Vac but being ran on 110 vac? Most 3-500Z amps are ran from 220. That
> would drop both the heater and plate voltage to half.
>
> Best,
>
> Will
>
> *********** REPLY SEPARATOR ***********
>
> On 5/22/05 at 1:26 PM John Bodine/K2UBG wrote:
>
>>James,
>>
>> Are you running this amp on 220vac?
>>
>>
>>John/K2UBG
>>
>>
>>
>>_______________________________________________
>>Amps mailing list
>>Amps@contesting.com
>>http://lists.contesting.com/mailman/listinfo/amps
>
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Sun, 22 May 2005 15:03:12 -0400
> From: jeff millar <wa1hco@adelphia.net>
> Subject: [Amps] IC-746Pro Timing between SEND output and RF
> To: amps <amps@contesting.com>
> Message-ID: <4290D770.9060402@adelphia.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> To followup on a previous question about the timing between the Send
> signal on the back and RF output...
>
> After a bit of measuring in SSB, FM and CW breakin, the RF starts 10
> msec after Send goes low and ends 10 msec before Send goes high.
>
> jeff, wa1hco
>
>
> ------------------------------
>
> Message: 5
> Date: Sun, 22 May 2005 12:10:33 -0700 (PDT)
> From: John Irwin <crazytvjohn@yahoo.com>
> Subject: Re: [Amps] FW: pi to pi-L o/p matching question
> To: amps@contesting.com
> Message-ID: <20050522191033.97982.qmail@web32213.mail.mud.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> In relation to the pinebeetle pi network site
>
> I like and use this site.
>
> There is a lot of stuff out on pi-piL output networks in the way of how to
> do it charts and computer programs .
> Not so for a pi network for the input of a amplifier.
>
> It is a lot of math to figure it out or you could copy someone Else's data
> from a amp article. But not any more. The pinebeetle calc will do these
> quite easily.
>
>
> To calculate using "pi calculation", for cathode Z at the tube Z=75 , Z
> in=50 put the 75 in source impedance,the 50 in the load impedance,Q=2,
> freq=1.8, c min=0, press calculate
> results c1=1419pf L1=5.41
> c2=1407pf
> These numbers match within a pf or 2 the numbers out of the 23 edition of
> the radio handbook by Bill Orr Figure 44 page 14-22
> I ran most of the chart figures and all were very close. Other programs I
> found on the net and the arrl "match" program could not reproduce the
> above numbers .
> http://www.pinebeetle.net/amplifier_main.html
>
> John kb9tc
>
>
> __________________________________________________
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> Tired of spam? Yahoo! Mail has the best spam protection around
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>
> ------------------------------
>
> Message: 6
> Date: Sun, 22 May 2005 14:00:17 -0600
> From: "Barrie Smith" <barrie@centric.net>
> Subject: Re: [Amps] FW: pi to pi-L o/p matching question
> To: "John Irwin" <crazytvjohn@yahoo.com>, <amps@contesting.com>
> Message-ID: <000401c55f08$e0b2f9d0$0a01a8c0@barrylww3pb8pz>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> I've looked at this program and don't understand what "image Q" is?
>
> Barrie, W7ALW
>
>
>
> ------------------------------
>
> Message: 7
> Date: Sun, 22 May 2005 16:13:47 -0400
> From: "Will Matney" <craxd1@ezwv.com>
> Subject: Re: [Amps] FW: pi to pi-L o/p matching question
> To: amps@contesting.com
> Message-ID: <200505221613470210.010D3363@mail.ezwv.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Barrie,
>
> I didn't see an Image Q, but see an Image Z for image impedance which is
> the mid impedance at load C. You are speaking of the PHP script Pi-L app
> on pinebeetle.net?
>
> Best,
>
> Will
>
> *********** REPLY SEPARATOR ***********
>
> On 5/22/05 at 2:00 PM Barrie Smith wrote:
>
>>I've looked at this program and don't understand what "image Q" is?
>>
>>Barrie, W7ALW
>>
>>_______________________________________________
>>Amps mailing list
>>Amps@contesting.com
>>http://lists.contesting.com/mailman/listinfo/amps
>
>
>
>
>
> ------------------------------
>
> Message: 8
> Date: Sun, 22 May 2005 14:29:02 -0600
> From: "Barrie Smith" <barrie@centric.net>
> Subject: Re: [Amps] FW: pi to pi-L o/p matching question
> To: <craxd1@ezwv.com>, <amps@contesting.com>
> Message-ID: <001401c55f0c$e4842940$0a01a8c0@barrylww3pb8pz>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Will:
>
> Sorry! It was image Z.
>
>> Barrie,
>>
>> I didn't see an Image Q, but see an Image Z for image impedance which is
>> the mid impedance at load C. You are speaking of the PHP script Pi-L app
>> on pinebeetle.net?
>>
> Yes.
>
>
>> Best,
>>
>> Will
>>
>> *********** REPLY SEPARATOR ***********
>>
>> On 5/22/05 at 2:00 PM Barrie Smith wrote:
>>
>>>I've looked at this program and don't understand what "image Q" is?
>>>
>>>Barrie, W7ALW
>>>
>>>_______________________________________________
>>>Amps mailing list
>>>Amps@contesting.com
>>>http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>
>
>
>
> ------------------------------
>
> Message: 9
> Date: Sun, 22 May 2005 23:36:16 +0200
> From: "Joe Francalanza" <joefran@camline.net.mt>
> Subject: [Amps] 3cx3000a7 choke
> To: <amps@contesting.com>
> Message-ID: <000a01c55f16$48ef78e0$0100000a@power>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi
>
> I like to make the plate choke for HF for the 3CX3000A7,can any
> one know how many turns and diameter.....
>
> many thanks
> Joe
> 9H1GT Joe Francalanza
> ------------------------------------------------------------------
> e-mail joefran@camline.net.mt
> -----------------------------------------------------------------
> address 24 Triq id dahla ta san tumas
> zejtun ZTN04 Malta
>
> ------------------------------
>
> Message: 10
> Date: Sun, 22 May 2005 17:30:24 -0700 (PDT)
> From: aborg <a_borg@yahoo.com>
> Subject: [Amps] 4-1000 Chimney
> To: Amps Amps <amps@contesting.com>
> Message-ID: <20050523003024.73476.qmail@web31102.mail.mud.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Hello Ampers,
>
> Anybody got any other alternatives for 4-1000
> chimneys besides 1 gallon pickle jars ?
>
> Thanks
>
> Mike-KK4MS
> a_borg@yahoo.com
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
>
>
> ------------------------------
>
> Message: 11
> Date: Sun, 22 May 2005 19:45:56 -0500
> From: "Phil Clements" <philc@texascellnet.com>
> Subject: Re: [Amps] 3cx3000a7 choke
> To: <joefran@camline.net.mt>, <amps@contesting.com>
> Message-ID: <20050523005950.B9483185E04@mail.texascellnet.com>
> Content-Type: text/plain; charset="us-ascii"
>
> First, we need to know what band(s) you intend to cover.
>
> (((73)))
> Phil Clements,
> K5PC
>
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Joe Francalanza
> Sent: Sunday, May 22, 2005 3:36 PM
> To: amps@contesting.com
> Subject: [Amps] 3cx3000a7 choke
>
> Hi
>
> I like to make the plate choke for HF for the 3CX3000A7,can any
> one know how many turns and diameter.....
>
> many thanks
> Joe
> 9H1GT Joe Francalanza
> ------------------------------------------------------------------
> e-mail joefran@camline.net.mt
> -----------------------------------------------------------------
> address 24 Triq id dahla ta san tumas
> zejtun ZTN04 Malta
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
>
>
> ------------------------------
>
> Message: 12
> Date: Sun, 22 May 2005 18:19:21 -0700
> From: "Gary Smith" <wa6fgi@sbcglobal.net>
> Subject: Re: [Amps] 4-1000 Chimney
> To: "aborg" <a_borg@yahoo.com>, "Amps Amps" <amps@contesting.com>
> Message-ID: <001301c55f35$7357b380$a130fea9@datasmit>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Coleman gas mantle lantern glass. it is made by Pyrex. You may have to
> fashion the top of the chimney.
> 73,
> Gary... wa6fgi
> ----- Original Message -----
> From: aborg
> To: Amps Amps
> Sent: Sunday, May 22, 2005 5:30 PM
> Subject: [Amps] 4-1000 Chimney
>
>
> Hello Ampers,
>
> Anybody got any other alternatives for 4-1000
> chimneys besides 1 gallon pickle jars ?
>
> Thanks
>
> Mike-KK4MS
> a_borg@yahoo.com
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
> _______________________________________________
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> http://lists.contesting.com/mailman/listinfo/amps
>
>
> ------------------------------
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
> End of Amps Digest, Vol 29, Issue 40
> ************************************
>
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