General Radio Company 1205-B Netzteil
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Modell:
1205-B
Datum:
1959
Kategorie:
Gruppe:
Beschreibung:
ADJUSTABLE REGULATED POWER SUPPLY
Information
The Type 1205-B Adjustable Regulated Power supply (Figure
1) is a compact, high-efficiency, fast-response source of
regulated power from 0 to 300 volts, up to 200 ma. The Type
1205-B also includes two 5-amp 6.3-volt supplies and a
regulated -150-volt 5-ma bias supply.
1.2 DESCRIPTION.
1.2.1 CONTROLS. Three controls are mounted on the front
panel: A POWER toggle switch with a standby (B + OFF)
position, a METER toggle switch to select either a voltage
or a current meter indication, and an OUTPUT VOLTAGE
control, by which the output voltage may be varied from 0 to
full voltage.
1.2.2 CONNECTORS. The front-panel output connectors are all
jack-top binding posts. The three on the right-hand end are,
from top to bottom, the B+, B- (or bias +), and bias (-)
connectors. A binding post adjacent to the B + and B- posts
permits grounding either B+ or B-. Two pairs of binding
posts, labeled 6.3 v, are the terminals for the two ac
heater supplies. These terminals may be connected for either
series or parallel operation (refer to paragraph 3.2).
The line-voltage cable is attached to the Power supply at
the left side of the instrument.
Unit Instruments being powered by the Type 1205-B may be
plugged directly into the multipoint connector at the
right-hand side of the Power supply. Connections are shown
in Figure 7.
2 PRINCIPLES OF OPERATION
2.1 GENERAL. (See Figure 2). The Type 1205-B consists
basically of two parts: a series-tube regulator, and a
thyratron control rectifier. The series regulator provides
fast response, low-drift, and low output impedance over a
wide frequency range. The usual high dissipation of such a
circuit is averted by use of a thyratron control rectifier,
which maintains a constant voltage drop across the series
regulator.
Dokumenttyp:
Service- und Bedienungsanleitung
Seiten:
13
Größe:
11.15 Mbytes (11694448 Bytes)
Sprache:
english
Revision:
Dokument-ID:
3003-A
Datum:
1959 03 01
Qualität:
Gescanntes Dokument, alles ist lesbar.
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