TB 9-6625-1958-35
IDENTIFICATION AND DESCRIPTION
1. Test Instrument
Identification.
This bulletin provides instructions for the
calibration of Time Mark Generator, Tektronix, Types TG 501 and TG 501 Option 1. The
manufacturer's manual was used as the prime data source in compiling these instructions.
The equipment being calibrated will be referred to as the TI (test instrument) throughout
this bulletin.
a. Model Variations. Variations among models are described in the text.
b. Time and Technique. The time required for this calibration is approximately 2
hours, using the dc and low frequency technique.
2. Forms,
Records, and
Reports. Forms, records, and
reports required for calibration
personnel at all levels are prescribed by TB 750-25.
3. Calibration
Description. TI
parameters and
performance specifications which
pertain to this calibration are listed in table 1.
Test instrument
parameters
Performance specifications
Markers
Range:
1 ns to 5 s
1 part in 105 (0.00l%)
Accuracy:
5 parts in 107 (0.00005%) (Option 1)
Amplitude: >1 V peak into 50Ω, 5 s to 10 ns
>750 mV p-p into 50Ω, 5 ns and 2 ns
>200 mV p-p into 50Ω, 1 ns
Variable error readout
Range: +7.5 to -7.5%
Accuracy: one least significant digit
EQUIPMENT REQUIREMENTS
4. Equipment
Required. Table 2
identifies the
specific equipment to be
used in this
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286, AN/GSM-287 and AN/GSM-705. Alternate items may be used
by the calibrating activity. The items selected must be verified to perform satisfactorily
prior to use and must bear evidence of current calibration. The equipment must meet or
exceed the minimum use specifications listed in table 2.
5. Accessories Required. The
accessories required are issued as
indicated in
paragraph
4 above and
are used in this
calibration procedure. The
following peculiar accessories are
required: Extender, Tektronix 067-0645-02, and Power Module, Tektronix TM 500 series.
CHANGE 1
2