PSN-L Email List Message
Subject: Re: two-stage Roberts circuit amplifier
From: Barry Lotz barry_lotz@.............
Date: Mon, 28 Dec 2009 18:24:06 -0800 (PST)
Chris
It took a little clearing of the cobwebs to duplicate the gain you got but =
I did. Thanks.
Regards
Barry
http://www.seismicvault.com
--- On Sun, 12/27/09, ChrisAtUpw@....... wrote:
From: ChrisAtUpw@.......
Subject: Re: two-stage Roberts circuit amplifier
To: psn-l@..............
Date: Sunday, December 27, 2009, 8:48 PM
=0A=0A =0A=0A=0AIn a message dated 28/12/2009, barry_lotz@............. wri=
tes:=0A=0A =0A =0A =0A =0A =20
=0A =A0=0A Hi Barry,=0A =A0=0A =A0=A0=A0=A0If y=
ou =0A wished to get 20 seconds from a 1.5 second pendulum, you woul=
d need a =0A total gain at 20 seconds of 178. Each stage will need a=
gain of =0A 13.3=0A =A0
Chris
It took a little clearing of the cob=
webs to duplicate the gain you got but I did. Thanks.
Regards
Bar=
ry
=
http://www.seismicvault.com
--- On Sun, 12/27/09, ChrisAtU=
pw@....... <ChrisAtUpw@.......> wrote:
From: ChrisAtUpw@....... <ChrisAtUpw@.......>
Subject=
: Re: two-stage Roberts circuit amplifier
To: psn-l@..............
Da=
te: Sunday, December 27, 2009, 8:48 PM
=0A=
=0A =0A =0A=0A In a message dated 28/12/2009, barry_lotz@............. =
writes: =0A =0A =0A =0A =0A | =0A
=0A &nb=
sp; =0A Hi Barry,=
=0A =0A &nbs=
p; If you =0A wished to get 20 seconds from a 1.5 s=
econd pendulum, you would need a =0A total gain at 20 seconds of 178=
.. Each stage will need a gain of =0A 13.3 =0A |
&nbs=
p; Regards, =0A
|