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TM 11-6625-1589-15-1
1-5 .
DESCRIPTION .
1-6 .
The Model 204C is a stable signal source that produces sine wave frequencies
between 5 Hz and 1.2 MHz in six ranges .
The output level is variable from 0 to 5
volts rms from a constant 600 ohm source .
When working into a 600 ohm load , the
maximum output level is 2.5 volts rms .
1-7 .
A SYNC feature is included in the Model 204C .
The SYNC jack on the front
panel provides an output sync voltage of 1.7 V rms , or accepts an external signal to
synchronize the oscillator . This feature permits several oscillators to be synchronized
to the same frequency or harmonics thereof .
1-8 .
The output of the Model 204C may be isolated from the cabinet .
This floating
output is balanced to better than 40 dB below 200 kHz with an isolated , battery oper
ated instrument, or better than 40 dB below 20 k !lz with an instrument having an ac
line connection .
1-9 .
The standard Model 204C contains an ac power supply that can be operated
from 115/230 volts ac ,
50 to 400 Hz .
The instrument is also available with a
mercury battery power supply as an Option 01 ,
or with a rechargeable nickel cad
mium battery power supply as an Option 02.
The various power supplies can easily
be interchanged by removing the instrument covers , unplugging one supply and
plugging another in its place .
1-10 .
OPTIONS AVAILABLE .
1-11 .
The following power supplies are available in kit form for field installation :
-hp- 11107A
AC Power Pack ( standard)
-hp - 111084
Mercury Power Pack (Option 01)
-hp- 11109A
Rechargeable Battery / AC Power Pack (Option 02 )
1-12 .
ITEMS COMPRISING AN OPERABLE EQUIPMENT .
Item
Depth
( in )
Width
Weight
( lb )
5895-177-1400
6-3 / 32
1-3
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