DS335 Synthesized Function Generator
DS335 Synthesized Function Generator
DS335 Synthesized Function Generator
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ii<br />
Table of Contents<br />
Calibration 4-20<br />
Clock Calibration 4-20<br />
<strong>DS335</strong> Circuitry<br />
Circuit Description 5-1<br />
Front Panel Board 5-1<br />
Main Board 5-1<br />
Microprocessor System 5-1<br />
Display and Keyboard 5-2<br />
System DAC and S/H's 5-3<br />
DDS ASIC and Memory 5-3<br />
DDS Waveform DAC 5-4<br />
DDS Output Filters 5-5<br />
Pre-Attenuator 5-5<br />
SYNC <strong>Generator</strong> 5-5<br />
<strong>Function</strong> Selection 5-6<br />
Output Amplifier 5-6<br />
Output Attenuator 5-6<br />
Option Board 5-7<br />
Power Supplies 5-7<br />
GPIB and RS232 Interfaces 5-7<br />
Component Parts List 5-9<br />
Schematic Circuit Diagrams<br />
Sheet No.<br />
Front Panel<br />
Keypad and LED Display 1/1<br />
Main/Bottom PC Board<br />
Microprocessor 1/8<br />
Display, Keyboard and Cable 2/8<br />
System DACs 3/8<br />
DDS ASIC, Memory, and Sweep 4/8<br />
DDS Waveform DAC and Filters 5/8<br />
SYNC and Pre-Attenuators 6/8<br />
Output Amplifier 7/8<br />
Regulators and Attenuators 8/8<br />
Option/Top PC Board<br />
Power Supply and Cable 1/2<br />
GPIB and RS232 Interfaces 2/2<br />
Front Panel Component Placement<br />
Main PC Board Component Placement<br />
Option Board Component Placement<br />
<strong>DS335</strong> <strong>Synthesized</strong> <strong>Function</strong> <strong>Generator</strong>
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