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5-3 UT-115 ADJUSTMENT PROCEDURES
• PREPARATION
Enter the adjustment mode when adjusting the UT-115.
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REQUIRED TEST EQUIPMENT
DC power supply 1
DC power supply 2
Frequency counter
Oscilloscope
EQUIPMENT
GREDE AND RANGE
EQUIPMENT
GREDE AND RENGE
Output voltage
: 5.0 V DC
Current capacity
: 1 A or more
Output voltage
: 8.0 V DC
Current capacity
: 1 A or more
Frequency range
: 0.1–100 MHz
Frequency accuracy
: ±1 ppm or better
Sensitivity
: 100 mV or better
Frequency range
: DC–400 MHz
Measuring range
: 0.01–10 V
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ENTERING THE ADJUSTMENT MODE
Connect J301, pin 14 to GND, then the UT-115 enters adjustment mode.
NOTE
:
Exit from the adjustment mode to disconnect J310, pin 14 from GND before the UT-115 adjustment is fihished
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CONNECTION
Power supply
8 V DC / 1 A
Power supply
5 V DC / 1 A
J301, Pin 14
Entering adjustment mode
• UT-115 BOTTOM VIEW