Specifications

Operating Manual SEFRAM 4451
M4451 A00
66
Section 5
Performance Check Procedure
5.1 Introduction
This section contains the test procedures required to check the electrical performance as listed in the
SPECIFICATIONS section of this manual (1.4).
The checkout procedure is recommended for preliminary incoming inspection and operational control.
5.2 Test Equipment
The following table lists the equipment necessary to perform the performance tests. Any equivalent
equipment may be substituted for the recommended model.
Chapter 4 INSTRUMENT REQUIRED PERFORMANCE RECOMMENDED MODEL
Termination Feedthrough 50Ω 1%
Termination Feedthrough 50Ω 0.1%
Oscilloscope 400MHz dual channel
Universal Counter 200MHz, dual channel
5.3 Electrical Checkout
This electrical checkout procedure verifies the SEFRAM 4451 Programmable Pulse Generator operation.
Connect the generator main output to the scope input. Use a 50Ω termination and RG58 cable. Set the
instrument as follows:
POWER ON
PERIOD 500ns
WIDTH 100ns
HIGH LEVEL 2.5V
LOW LEVEL -2.5V
MODE CONTINUOUS
OUTPUT ON
PULSE SINGLE
Observe a pulse waveform with a 5V peak to peak amplitude symmetrical around zero. Change the period,
width and levels and check for proper display on the scope.
5.4 Performance Tests