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Frequency Range:
Frequency Scales:
Accuracy
of
Graduation:
Outputs:
Matching:
Attenuator:
Output Voltage
Frequency Response:
ATTENUATOR
terminal:
LOAD terminals:
Output Voltmeter:
Accuracy:
4:2
6. Specification
200~200ooo
Hz.
Main
scale: Logarithmic from 200 Hz to 200 kHz.
Tolerance within
±
o. 7 degrees of the theoretical
logarithmic curve, Vernier driven.
Incremental
scale:
for
exact
frequency
selection.
Range
- 500
Hz to
+
500 Hz.
Illuminated
scales.
On main scale:
1%
±
10 Hz.
Incremental scale:
±
5
Hz.
Switchable matching impedance for 6, 60, 600 or
6ooo ohms. Actual output impedance 10 to 20
%
of
stated values.
Max.
power
output
approximately
2 watts.
Variable in
steps
of 10 dB from 400
.flY
to 12.5 V.
Continuously variable by potentiometer within each
step.
Accuracy,
better than
,±
o.2 dB within the whole
frequency range, ref. position
"12ooo"
mV.
±
o.5 dB in frequency range
200
Hz to 200 kHz
with reference to 10ooo Hz.
±
1 dB in frequency range 200 Hz to 200 kHz with
reference to 10ooo Hz and 1.5 watt loaded.
Vacuum-tube
voltmeter
to indicate output voltage.
Perfectly
guarded
against
overload.
Measuring
average value, graduated
in RMS for
sine-wave
signals.
Accuracy
(relative
to terminal LOAD or input of
Output Attenuator).
Scale:
1
%
of full deflection.
Attenuator: (Coupled
by the
switch
MATCHING
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