Description Of Controls And Connectors - HP 209A Operating And Service Manual

Sine/square oscillator
Table of Contents
Section III
Model209A
2
SYNC
""""
I
"'AX
6000
3
9
10
,",-LINE
SELECTOR
o
~
IIS/230V± 10%
48-440"" TVA MAX
CHANGE
FREQ.
SLOWLY
I
,OW
NORM
OISl.
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~~~
~
~
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CD
RANGE Switch: Selects frequency range or
OFF position.
eD
Frequency Dial: Selects frequency within
desired range. Dial setting multiplied by
RANGE switch position indicates output
frequency.
o
Frequency Vernier: Provides fine tuning of
frequency dial.
o
Square Wave Amplitude Control: Varies
Square Wave output level to 20 volts
peak-to-peak, open circuit.
eD
Sine Wave Amplitude Control: Varies Sine
Wave output level over a 20 dB range to 10
volts rms, open circuit (5 volts rms into 600
ohms).
CD
Sine Wave Output Terminal: 600 ohm sine
wave output at a frequency and amplitude
determined by control settings.
CD
Square Wave Output Terminal: 600 ohm
square wave output at a frequency and
amplitude determined by control settings.
CD
SYNC Terminal: (1) Input terminal for an
external sync signal. (2) Output terminal for
1.7 volt rms sine wave sync signal.
CD
Ground Strap: Connects the floating circuit
ground to power ground.
®
Voltage Selector Switch: Selects line voltage
of 115 volts or 230 volts AC.
®
AC Power Receptacle: Mates with power
cord supplied with this instrument for line
voltage connection.
@
NORM/LOW DIST. Switch: Selects normal
or low distortion below 100 Hz.
Figure 3-1. Description of Controls and Connectors
3-0
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