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20 independent delay channels

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100 ps delay resolution (1 ps option)

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10 seconds delay range

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Adjustable output level, polarity and width

Number of pages: 31

NUT 063 Ed. 2.2

September 2015

User's Manual

MODEL 745-20C

20 CHANNELS DIGITAL DELAY GENERATOR

Содержание 745-20C

Страница 1: ...hannels 100 ps delay resolution 1 ps option 10 seconds delay range Adjustable output level polarity and width Number of pages 31 NUT 063 Ed 2 2 September 2015 User s Manual MODEL 745 20C 20 CHANNELS D...

Страница 2: ...port LAN 11 4 2 3 Trigger input TRIG IN 11 4 2 4 Trigger ouptut T0 11 4 2 5 Clock output CLK OUT 11 4 2 6 Clock input CLK IN 11 4 2 7 Delayed output T1 to T20 11 5 LOCAL OPERATION 12 5 1 MAIN MENU 12...

Страница 3: ...r s Manual MODEL 745 20C NUT 063 Ed 2 2 September 2015 Berkeley Nucleonics Page 3 31 6 2 11 IP adress 26 6 2 12 Netmask adress 26 6 2 13 Gateway adress 27 6 3 REMOTE CONTROL VIA WEB PAGE 28 7 SOFTWARE...

Страница 4: ...Page 4 31 Edition Written by D MONNIER BOURDIN Technical manager Date Visa Edition Date Description 1 January 2014 Creation 2 October 2014 Operating description updates 2 1 April 2015 Minor correction...

Страница 5: ...may be remote controlled via Ethernet interface 10 100Mb s basic commands or Web page interface Instrument Options Option 1 Clock output Option 2 2 5 to 10 V channels 1 ns rise time positive polarity...

Страница 6: ...Following the reference a pulse is generated on each channel after the specified delay 3 At the end of the sequence after last delayed pulse outputs the delay generators are initiate When a sequence...

Страница 7: ...200 100 50 20 10 5 2 Hz F2 200 100 50 20 10 5 2 1 0 5 Hz F3 50 20 10 5 2 1 0 5 0 2 0 1 Hz Outputs Delayed output T1 to T20 Positive or negative pulse into 50 Amplitude 3 to 6 V resolution 10 mV Rise t...

Страница 8: ...ise time 1 ns Fall time 5 ns Width 100 ns to 10 ms Connector type BNC Outputs option 3 Delayed output T1 to T20 Positive pulse into 50 Amplitude 5 to 20 V resolution 10 mV Rise time 5 ns Fall time 10...

Страница 9: ...ere the ambient air temperature is 0 C to 35 C and can be stored in ambient temperature from 10 C to 60 C The MODEL 745 20C is cooled by air circulation To prevent instrument damage a clearance of 2 i...

Страница 10: ...1 1 Local interface The MODEL 745 20C is equipped with a touch screen option on the front panel for local operation 4 1 2 AUX 1 to 3 The three BNC connectors located on the front panel are used for e...

Страница 11: ...r application of the trigger input signal that generates the single shot sequence 4 2 4 Trigger ouptut T0 The T0 BNC connector is used as the output temporal reference for delayed outputs This should...

Страница 12: ...status of the equipment internal or external clock and status 1 to 20 indicators light up in green when the corresponding channel has been triggered TRIG runs a unique single shot sequence Notes The d...

Страница 13: ...igger are set to INH disabled To set delay amplitude or width tap on the corresponding window to open the sub menu To change polarity tap on the button in the polarity window To change the trigger sou...

Страница 14: ...tive quiescent level of the channel is at amplitude level T1 to T20 DELAY 0 to 9 999 999 999 999 ps in 100 ps steps or 1 ps steps option The default values of the equipment are the following IP ADRESS...

Страница 15: ...bers then tapping on the unit ps ns s ms or s will validate the setting Erase Exit sub menu Note Out of range values are rejected 5 2 Sub menu Amplitude Tapping in the AMPLITUDE window on the PULSE SE...

Страница 16: ...ue with the numbers in nanoseconds then tapping on the validate button will send the setting Erase Exit sub menu Validate Note Out of range values are rejected 5 4 Sub menu INTERNAL FREQUENCIES SETUP...

Страница 17: ...he following figure To set the frequency enter the value with the numbers then tapping on the unit Hz or KHz validate the setting Erase Exit sub menu Notes Out of range values are rejected The frequen...

Страница 18: ...ted in the following figure Erase Exit sub menu Validate Notes Submenus NETWORK MASK and GATEWAY ADDRESS are identical 5 8 Front panel Run Stop button The front panel Run Stop button enables channels...

Страница 19: ...modify the settings o Set the instrument s IP address with IP XXX XXX XXX XXX o Query the instrument s IP address with IP IP XXX XXX XXX XXX o Set the instrument s IP mask with NM XXX XXX XXX XXX o Qu...

Страница 20: ...L 745 20C SN54001 000000 V1 0 Instrument model MODEL 745 20C Serial number 54001 Firmware version 1 0 6 2 2 DELAY Syntax DELAY T n D DELAY T n Form Set Query Description Query delay of channel T n or...

Страница 21: ...0 T Trigger mode F1 F2 F3 SS1 SS2 or INH RST value INH Example Set channel 2 trigger mode to Frequency 1 TRIG T2 F1 Query trigger mode on channel 2 TRIG T2 Answer TRIG T2 F1 6 2 4 VOLTAGE LEVEL Syntax...

Страница 22: ...ns Example Set 250 ns width on channel 4 WIDTH T4 250 Query width of channel 4 WIDTH T4 Answer WIDTH T4 2500 6 2 6 POLARITY Syntax TTL T n P TTL T n Form Set Query Description Query polarity of channe...

Страница 23: ...ncy 1 Frequency 2 or Frequency 3 F Frequency in Hertz RST value Last value set Range 0 1 to 1 000 Hz in 1 2 5 sequence Example Set internal Frequency 3 to 0 5 Hz FREQ F3 0 5 Query frequency of interna...

Страница 24: ...ble or disable of TRIG IN input or enable disable TRIG IN input for single shot mode Same function as the RUN STOP button on the front panel or Run light button on web page Parameter Set none change t...

Страница 25: ...ly level in V TRIG Trigger feedback for channel 1 to 20 1 trigged MTRIG Single shot trigger feedback 1 trigged RST value Example Clear information STAT CLEAR Query temperature STAT TEMP Answer STAT TR...

Страница 26: ...x x x x IP address RST value Last value set Example Set IP address to 172 17 23 6 IP 172 17 23 6 Query IP address IP Answer IP 172 17 23 6 6 2 12 Netmask adress Syntax NM x x x x NM Form Set Query De...

Страница 27: ...cs Page 27 31 6 2 13 Gateway adress Syntax GW x x x x GW Form Set Query Description Query Gateway Address or set it Parameter x x x x GW address RST value Last value set Example Set Gateway address to...

Страница 28: ...t the IP address specified The PULSE OUTPUTS area allows controlling each output from T0 to T20 Trigger source F1 F2 F3 SS1 SS2 or INH Delay in ps Amplitude in mV Width in ns Polarity positive or nega...

Страница 29: ...ccurred and can be erased by clicking on the state led of the channels The STATUS area shows The level of the internal power supplies The internal temperature of the unit The state of the clock lights...

Страница 30: ...efNum IDDeConnexionOUT TD1 errorOut Delay_val void Delay_val LVRefNum IDConnexionIN uInt8 Channel TD1 entrEDErreurPasDErreur LVRefNum IDDeConnexionOUT uInt8 ChannelOut floatExt DelayPs TD1 errorOut Id...

Страница 31: ...User s Manual MODEL 745 20C NUT 063 Ed 2 2 September 2015 Berkeley Nucleonics Page 31 31 The Labview driver front panel is shown below...

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