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 Il forum della sezione Ari di Roma • Leggi argomento - Wavemeter RCA TE149

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Wavemeter RCA TE149

Wavemeter RCA TE149

Messaggiodi i0XJ il 18/04/2013, 11:48

Vendo generatore/frequenzimetro eterodina RCA TE149, circuito simile al meno raro BC221, ma aspetto più moderno (v. foto allegata).
frequenza da 2,5 a circa 20 MHz con armoniche.

Per maggiori dettagli vedi anche il sito: http://www.pa3esy.nl/military/us/meet/T ... et-gb.html

dal link dello stesso sito si puo' scaricare il manuale originale.
Fornisco comunque copia di articolo in Italiano di RK 2005 ed estratto del manuale per la calibrazione.

Completo di valvole USA nuove "old stock" nei cartoni originali, di alcune valvole di ricambio,
e del quarzo di calibrazione (non originale) USA tipo CR18/U da 1000,000 KHz.

L'apparato in origine andava a batterie, è stato modificato per l'uso di alimentatore esterno , non
compreso, con cavetto multipolare flessibile. Occorrono le seguenti tensioni:
-Filamenti: 1,5 V in CONTINUA (funziona fino a 1,1 V- consigliabile batteria ricaricabile)
- Polarizz. Griglia: - 4,5 ( non assorbe corrente, possono essere usate batterie)
- Anodica : 90 V nominali (funziona fino a circa 68 V).

E' stata apportata anche la seguente modifica (reversibile): uscita dell'oscillatore sul connettore
d'ingresso, (come per il BC221) in modo da utilizzarlo come generatore.

Prezzo euro 110
(valore delle sole valvole e quarzo circa 40 euro)
i0XJ
 
Messaggi: 29
Iscritto il: 24/04/2008, 13:54

Re: Wavemeter RCA TE149

Messaggiodi i0XJ il 18/04/2013, 11:52

allegata foto. Vedi dettagli su messaggio precedente.

Lo porterò al mercatino del 21 aprile. Se eventualmente desiderate prenotarlo, potete informarmi .

i0xj_john (chiocciola)yahoo.it

73 Giovanni ioXJ

te149_totaal.jpg
te149_totaal.jpg (86.08 KiB) Osservato 669 volte
i0XJ
 
Messaggi: 29
Iscritto il: 24/04/2008, 13:54


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