Racal - RA. 222G - Receiver
Manufacturer:
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Racal RA. 222G
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Equipment:
RA. 222G
Date:
1966
Category:
Group:
Sub Group:
Information
BRIEF DESCRIPTION
1. The H. F. Receiver Type RA. 222 is a fully transistorised
unit that has been designed for operation in SSB and DSB
radio systems with the Racal
range of SSB transmitters and radio telephones. Receiver
muting is available from connections at the rear of the
receiver for when it is in close proximity to a transmitter.
2. Eight crystal controlled channels are available covering
the frequency range of 1.5 to 24 Mc/s. All r.f. circuits are
pre-tuned plug-in units
and channel selection is by means of an eight position
rotary switch. The eight channel crystals operate in a
thermostatically controlled oven.
3. Switched selection is available for upper or lower
sideband on SSB, and DSB or CW operation.
4. The audio output circuit feeds an internal speaker, an
external loudspeaker terminal at the rear of the receiver, a
headphone jack socket
on the front panel and a line output at 600 ohms impedance.
5. The unit is of robust construction and suitable for bench
or 19 inch rack mounting.
VARIANTS
6. Alternative power supply models are produced for use on
a.c. power,
12 volt and 24 volt d.c. supplies. In addition there are
four versions
available for operation from each of these power supplies
with facilities as detailed below: -
A. C. Powered
RA. 222A SSB, AM and CW reception.
RA. 222B SSB, AM and CW reception with squelch control
fitted.
RA. 222C SSB, AM and CW reception with extended control
module MA. 34 6 fitted.
RA. 222D SSB, AM and CW reception with squelch and
extended control module MA. 346 fitted.
12 Volt d.c. Powered
RA. 222G SSB, AM and CW reception.
RA. 222H SSB, AM and CW reception with squelch control
fitted.
RA. 222J SSB, AM and CW reception with extended control
j module MA. 346 fitted.
RA. 222K SSB, AM and CW reception with squelch
1 Manual
Service and user manual
Manual type:
Service and user manual
Pages:
136
Size:
6.5 MB
Language:
english
Revision:
2
Manual-ID:
149
Date:
Quality:
Scanned document, all readable.
Upload date:
Oct. 25, 2015
MD5:
1073854e-6210-a7ec-798c-7363bebf37c6
Downloads:
2910