BNC 745-20C-T User Manual

Digital delay generator

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20 independent delay channels,
100 ps delay resolution,
10 seconds delay range,
Adjustable output level, polarity and width.

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Summary of Contents for BNC 745-20C-T

  • Page 1 • 20 independent delay channels, • 100 ps delay resolution, • 10 seconds delay range, • Adjustable output level, polarity and width.
  • Page 2: Table Of Contents

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 TABLE DES MATIERES DITION ............................3 EFERENCE DOCUMENTS GENERAL INFORMATION .......................... 4 1.1..............................4 ESCRIPTION 1.2.............................. 5 NSTALLATION 1.2.1. Power source............................5 1.2.2. Power cord ............................5 1.3.
  • Page 3: Edition

    User's manual - 745-20C-T Ed. 1 Date : 05/02/2013 Edition Write by : Date & Visa : Massy, le MONNIER-BOURDIN Technical manager Date Description 1/2013 Creation Reference documents Documents Reference DR 1 DR 2 DR 3 DR 4 - 3 / 22-...
  • Page 4: General Information

    Delays up to 10 seconds may be programmed with 100ps resolution and channel to channel jitter less than 50 ps rms. BNC outputs deliver pulses, with adjustable level (3 to 6V) and polarity, into 50Ω load. A trigger out signal (T0) is provided to reference the delayed outputs in different operation mode.
  • Page 5: Installation

    1.3. Operating temperature The 745-20C-T can be operated where the ambient air temperature is 0°C to 35°C and can be stored in ambient temperature from - 10°C to + 60°C. The 745-20C-T is cooled by air circulation. To prevent instrument damage a clearance of 2 inches on the side and 1 inch on the rear must be maintained for proper cooling.
  • Page 6: Specifications

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 PECIFICATIONS Delays Channels 20 independent delay channels Range 0 to 10 seconds Resolution 100 ps < 50 ps + delay x 10 RMS Jitter Internal time base Frequency CLK RF...
  • Page 7: Operating Information

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 PERATING INFORMATION 3.1. Principle – Block diagram The principle of the programmable delay generator is described in the figure bellow: CLK RF Delay Reference Clock Trigger Clock Analog 20 Digital Delays...
  • Page 8: Local Command And Parameter

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 3.2. Local command and parameter The following chart described the trigger source, amplitude and width for each trigger out T0 and delayed output T1 to T20: 745-20C-T T0 to T20...
  • Page 9: Front Panel Operation Summary

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 3.3. Front panel operation summary The 745-20C-T front panel consists of a LCD display and 3 BNC. BNC 745-20C-T 3.3.1. LCD The LCD is screen tactile (option). 3.3.2. AUX 1 to 3 TBD.
  • Page 10: Rear Panel Operation Summary

    All input or output connections to the 745-20C-T are made on the rear panel. 3.4.1. Power switch The unit is turned on by depressing the POWER button. The 745-20C-T can be operated from 90 to 240 V at a line frequency of 50 – 60 Hz.
  • Page 11: Default Value

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 3.5. Default value The default values are the following: • IP ADRESS : 99.0.0.18, • GATEWAY ADRESS : 99.0.0.01, • NET MASK : 255.0.0.0, • F1 : 1000 Hz, •...
  • Page 12: Connecting To The Instrument Via Ethernet

    Set the instrument’s IP gateway: GW XXX.XXX.XXX.XXX Query the instrument’s IP gateway with: GW? ⇒ :GW XXX.XXX.XXX.XXX 4.2. Command structure 745-20C-T is compatible with all command of the LIL timing system. Each command description has at least some of the following items: • Full command syntax, •...
  • Page 13: Idn

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.1. *IDN? *IDN? Syntax: Query Form: Description: Queries instrument identification. Response gives instrument model, serial number and firmware version. Parameter: RST value GFTy/MIPSI,745-20C-T,SN101/000000,V1.0 Example: Instrument model: 745-20C-T Serial number: 101, Firmware version: 1.1...
  • Page 14: Trig

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.3. TRIG TRIG Tn,<T> Syntax: TRIG? Tn Set & Query Form: Description: Set channel T0 trigger mode to Frequency 1, Frequency 2, Frequency 3, Single shot 1, Single shot 2.
  • Page 15: Width

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.5. WIDTH WIDTH Tn,<W> Syntax: WIDTH? Tn Form: Set & Query Set channel Tn at specified <W> width Description: Tn: channel number 0 to 10 Parameter: <W> : width in ns...
  • Page 16: Frequency

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.7. FREQUENCY FREQ Fn,<F> Syntax: FREQ? Set & Query Form: Description: Set the frequency in internal mode Parameter: Fn : F1, F2 or F3 <F> : frequency in Hz RST value 0.10 to 1 000 Hz...
  • Page 17: Stat

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.9. STAT Syntax: STAT CLEAR STAT? <XXXX> Set & Query Form: Description: Equipment information <XXXX> : Parameter: TEMP: Temperature POPT: Optical power CLK: INTERNAL / EXTERNAL POW : Level + 6 V, -6 V, +3.3 V, + 1.8 V and + 11 V...
  • Page 18: Ip Adress

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.10. IP adress IP x.x.x.x Syntax: Set & Query Form: Description: IP Adress Parameter: x.x.x.x : IP address RST value Example: IP 172.17.23.6 IP? => :IP 172.17.23.6 4.2.11. Net mask adress Syntax: NM x.x.x.x...
  • Page 19: Gw Adress

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.2.12. GW adress Syntax: GW x.x.x.x Set & Query Form: GW Address Description: Parameter: x.x.x.x : GW address RST value GW 172.17.23.6 Example: GW? => :GW 172.17.23.6 BERKELEY NUCLEONICS -19 / 22 -...
  • Page 20: Remote Control Via Internet

    User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 4.3. Remote control via internet With Internet explorer or Firefox, you can open a web page to drive the 745-20C-T: -20 / 22 - BERKELEY NUCLEONICS Page...
  • Page 21: Software

    Date : 05/02/2013 OFTWARE The 745-20C-T comes with DLL drivers for Windows XP or Seven. Our primary objective in designing software drivers is to get the user up and running as quickly as possible. Software drivers are provides as a Dynamic Link Library (DLL) which is compatible with most 32-bit windows based development software.
  • Page 22 User's manual - 745-20C-T BNC Ed. 1 Date : 05/02/2013 • DLL or vi: *.dll or *.vi : set the value, *_val.dll or *_val.vi : query the value. Delay void Delay(LVRefNum *IDConnexionIN, uInt8 Channel, floatExt DelayPs, TD1 *entrEDErreurPasDErreur, LVRefNum *IDDeConnexionOUT, TD1 *errorOut)

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