Quantum 9412A User Manual

1 1 INTRODUCTION This manual is designed to help you quickly and easily learn to use your Quantum Composers Model 9412/9412A pulse generator. Rather

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12 1 OPERATING INSTRUCTIONS This chapter presents detailed instructions on the operation of the 9412/9412A. Overview The 9412/9412A uses a single-lin

13 Main Menu The Main Menu consists of a set of menu selections used to set the operating mode, time pe-riod and frequency of the 9412/9412A. MODE -

14 Duty Cycle The Duty Cycle mode is similar to Continuous mode in that a continuous stream of pulses is output. The exception is the outputs are onl

15 ToPer - To Period Except when in External Trigger or Single Shot mode, all pulse outputs are based on an inter-nal timer called To. This menu is

16 When set to Positive, the output will initially be at 0 Volts. When active, will go high for the specified pulse width time, after which it will r

17 T2:Wait The output of Channel 2 can be delayed for a number of pulses. This menu is used to set the number of pulses that must occur on the other

18 RECALL Configuration Recalls a previously stored configuration from the specified memory location. To recall a configuration use the Up and Down a

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2 Custom Modifications The 9412/9412A is microprocessor-controlled and employs a flexible and expandable user-interface. New features and operating m

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21 1 COMPUTER INTERFACE The 9412/9412A comes standard with an RS232 serial interface. All menu settings can be set and retrieved over the computer i

22 PP CR is a carriage return character (ASCII value 13). With echo enabled, all characters sent will be echoed back to the sender. Unidentified com

23 Communication Protocol Communication parameters are set at 9600 baud, 8 bits, parity = none, and 1 stop bit. To help establish RS232 communication

24 Command List The following table summarizes all the commands. Note: The name of each command is identical to how it appears on the display of the 9

25 9412/9412A Communication Commands Command Name Parameters Description MODE 0 = Continuous mode 1 = Burst mode 2 = Duty Cycle mode 3 = Single Sho

26 9412/9412A Communication Commands RECALL 0 - 4 (9412) 0 - 8 (9412A) Recall a stored configuration. STORE 1 - 4 (9412) 1 - 8 (9412A) Store

27 1 SPECIFICATIONS DELAYS P CHANNELS Two (2) independent outputs, with digitally controlled delay and pulsewidth. P DELAY 0 to 99.999999 se

28 OUTPUTS (T1,T2) P IMPEDANCE 50 Ω P SLEW RATE > .2 V/ns P OVERSHOOT < 100 mV + 10% of pulse amplitude P AMPLITUDE 1-10V into 50Ω lo

29 1 MAINTENANCE Except for fuse replacement, the 9412/9412A should require no maintenance. Replacing the Fuse The fuse is mounted on the circuit boa

3 6. Never work alone. Someone should always be nearby to render aid if necessary. Training in CPR first aid is highly recommended.

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31 1 CUSTOM FEATURES None.

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5 1 Item Button

6 1 CONTROLS AND CONNECTORS This chapter explains the function of each control and connector on the 9412/9412A. Front Panel The front panel contains

7 Left Button (help) For numeric items, this button is used to select which digit in a numeric entry is selected for editing. For other items or

8 T2 Channel 2 output -- designed specifically for use as a solid-state laser Q-switch trigger and has all the capabilities of the other output channe

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