Instruction manual

Section 2
Introduction
Models 4001A and 4003A are 4MHz Sweep Function/ Sweep Generator with the added
feature of 60MHz digital counter on model 4003A. The function generator generates sinu-
soidal, triangular, ramp, square and pulse waveforms. The type of function is selectable
through a rotary switch.
The frequency is settable from 0.5Hz to 4MHz with the use of the range selector switch
and the Frequency Control Knob for variable adjustments with multiplication factor of 0.04
to 4.0 of the selected frequency range.
The Signal amplitude can be adjusted from 0.1 V to 20Vp-p with no load conditions and
0.1V to 10Vpp with a 50 ohm load termination.
The Main Output has the provision of SYNC Output signal (TTL level) when selected.
The sweep generator offers linear or log sweep with variable sweep rate and adjustable
sweep width.
(Model 4003A only)
Auto ranging, 5-digit frequency counter is provided with range from 0.2Hz to 60MHz and
resolution of 0.001Hz. The counter is utilized for external as well the internal functions.
(Model 4003A only)
In addition to above features, an external voltage signal can be used to control the
frequency of the function. With AC input signal, FM Output can be generated.
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