Heathkit IO-4205 - Introduction

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INTRODUCTION
The Heathkit Model 10-4205, 5 MHz, Dual-Trace Os-
cilloscope is a compact, versatile, easy-to-build, elec-
tronic instrument that you can use to study the
waveforms in electronic circuits. You can also use it
to measure frequency, and AC or DC voltages. The DC
to 5 MHz bandwidth and the excellent input sensitiv-
ity of
the vertical amplifiers allow you to use this
Oscilloscope for nearly all types of waveform applica-
tions . The triggered horizontal sweep circuit and the
many other outstanding features provide accuracy
and capabilities that are usually found only in higher
priced oscilloscopes.
Among the many other features this Oscilloscope of-
fers are:
• A
special TV position on the trigger selector.
This allows low frequencies to pass while
rejecting high frequencies, thus making it
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easier to trigger on the vertical frequency of
a TV set.
• A
10 to 1 attenuation circuit that can be used
for signals applied to the external, horizon-
tal
input jack.
• Accurately calibrated vertical
attenuators
with variable controls.
• A calibrated
time base (seven time base
selections, variable
within each selection).
These features, along with the attractive styling, will
make this Oscilloscope a welcome asset to the
laboratory, service shop, or the ham shack .