Stanford Research Systems DS335, User Manual

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