Article View: pl.misc.telefonia
Article #243329Re: ISDN
From: Krzysztof Halasa
Date: Tue, 05 Sep 2023 14:30
Date: Tue, 05 Sep 2023 14:30
20 lines
2515 bytes
2515 bytes
"J.F" <jfox_xnospamx@poczta.onet.pl> writes:
> "The regeneration, called "TICKLER," was provided by a variometer that
> was built into the secondary inductor form. [...]the variometer rotor.
> The TICKLER adjustment controlled the sensitivity and somewhat the
> selectivity of the receiver. The TICKLER also would allow the detector
> to be operated as an Autodyne or oscillating regenerative detector.
> Since the detector was oscillating at the tuned frequency this
> provided a heterodyne action with the incoming signal that the allowed
^^^
> demodulation of an arc transmitter's continuous wave (CW) signal. "
Pewnie to "the" jest niepotrzebne.
Oscylatory + mieszacze + (de)modulatory 3 w 1 to była od dawna normalna
sprawa. Dopiero względnie ostatnio się porobiło (w analogu) nieco
inaczej, przez odbiorniki kwadraturowe i software radio (np. w parze z
odbiornikiem cyfrowym).
--
Krzysztof Hałasa
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.icm.edu.pl!.POSTED.nat.piap.pl!not-for-mail From: Krzysztof Halasa <khc@pm.waw.pl> Newsgroups: pl.misc.telefonia Subject: Re: ISDN Date: Tue, 05 Sep 2023 16:30:52 +0200 Organization: ICM, Uniwersytet Warszawski Message-ID: <m31qfcelpf.fsf@intrepid.localdomain> References: <o4o2rm3xd6m2$.1s1tlhykj4pwx.dlg@40tude.net> <slrnue7h1f.l0ot.jaros@falcon.lasek.waw.pl> <j1e9lgk77uo8$.z9fzjktvv9qq$.dlg@40tude.net> <m3ttsiztiw.fsf@intrepid.localdomain> <1tum7o1pf77y7$.jgh9bgr7kt99$.dlg@40tude.net> <m3ttshv7u7.fsf@intrepid.localdomain> <idebfoc1xciq.fwqpwqm24mn0.dlg@40tude.net> <m3jztbt3xj.fsf@intrepid.localdomain> <1ddxxi63vepkk.tes11yeo3mnl.dlg@40tude.net> <slrnuf3b77.1jj36.jaros@falcon.lasek.waw.pl> <ndiq3ng244g5$.q0jpvrq54j1y.dlg@40tude.net> <slrnuf3pdk.1k00g.jaros@falcon.lasek.waw.pl> <1x0t9bjdnyc0g.qfkys25y6az8.dlg@40tude.net> <slrnuf47p4.1kaj5.jaros@falcon.lasek.waw.pl> <18odxt17bl465$.ib53ighcnnfr.dlg@40tude.net> <slrnufbeu8.1s7rs.jaros@falcon.lasek.waw.pl> <1mp4blm3fjhye.1jb47iouokh4i$.dlg@40tude.net> <slrnufbko3.1saum.jaros@falcon.lasek.waw.pl> <fxssl8kx0dgh.1cz96sgh1dajv$.dlg@40tude.net> <slrnufbqds.1sfo8.jaros@falcon.lasek.waw.pl> <redmu2bdum8k.w70jkg6d2dpc.dlg@40tude.net> Mime-Version: 1.0 Injection-Info: news.icm.edu.pl; posting-host="nat.piap.pl:195.187.100.13"; logging-data="2746898"; mail-complaints-to="usenet@news.icm.edu.pl" Cancel-Lock: sha1:CK0TKy3IAAQRpw0Uwt2AHbyQV2U= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit