Absolute delay, Trig, Amplitude – BNC 745 User Manual

Page 23

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Model 745 Digital Delay Generator.

November 2013

DELAY? Tx

Form:

Set & Query

Description:

Delay time of channel Tx relative to channel Ti (reference channel)

is set to delaytime picosecond

Parameter:

Tn: channel number 1 to 4 (or 1 to 8 for 8 channel)

Ti: channel number 0 to 4 (or 0 to 8 for 8 channel)

Tn and Ti have to be different

delaytime: picosecond delay

RST value

-

Specified limit

0 to 19 999 999 999 999 picoseconds

Example:

Set : program 1ns to channel 2 relative to channel 1 : DELAY T2, T1,

1000.75

Query: DELAY? T2 => :DELAY T2, T1, 1000.75

Note : By using the Web page or Telnet command to configure the

device, user can specify delay with 0.25ps resolution.

ABSOLUTE DELAY

Syntax:

ABSDELAY? Tx

Form:

Query

Description:

Absolute delay time of channel Tx in ps

Parameter:

Tx: channel number 1 to 4 (or 1 to 8 for 8 channel)

RST value

-

Specified limit

-

Example:

Query: ABSDELAY? T2 => :DELAY T2, 5000.75

TRIG

Syntax:

TRIG Tx,DEC

TRIG? Tx

Form:

Set & Query

Description:

Tx trigger mode selection: set trigger mode to internal, external,

manual or off.

Parameter:

Tx: channel number 1 to 4 (or 1 to 8 for 8 channel)

DEC: trigger mode : IN1, IN2, EXT, SS1, SS2, SSE, LSS, BST, OFF

RST value

off

Example:

Internal mode to channel 2 : TRIG T2,IN1

Query mode to channel 2: TRIG? T2 => :TRIG T2,IN1

AMPLITUDE

Syntax:

AMPL Tx, mV

AMPL? Tx

Form:

Set & Query

Description:

Tx channel voltage level setting

Parameter:

Tx: channel number 1 to 4 (or 1 to 8 for 8 channel)

mV: Volt Amplitude in milliVolt

RST value

-

Specified limit

2000 to 5 000 mV

Example:

2.5 V to channel 4: AMPL T4,2500

Query mode to channel 4: AMPL? T4 => :TRIG T4,2500

© Berkeley Nucleonics Corp.

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Model 745 User Manual

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