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B.7 Sony/Tektronix Data Generator DG2020 (Berlin Version)

Module name: dg2020_b

Description: Sony/Tektronix Data Generator DG2020, used as pulser for the Berlin X-band spectrometer.

Timebase: between 5 ns and 100 ms
Maximum pulse voltage: between -2 V and 7 V
Minimum pulse voltage: between -3 V and 6 V
Difference between minimum and maximum pulse voltage must be not more than 9 V and at least 0.5 V.
Pulse voltage resolution: 0.1 V
Trigger-in level: Between -5 V to 5 V
Trigger-in voltage resolution: 0.1 V
Trigger-in impedance: 50 Ohm (LOW) or 1 kOhm (HIGH)
Number of output connectors (POD): 12
Number of internal channels: 36

Due to some problems with the firmware of the device pulse sequences always start with a state where the output of all connectors is the minimum pulse voltage for the duration of the timebase (this also holds for function/output channels declared as INVERTED).

Controlled via: GPIB bus (IEEE 488).
In the GPIB configuration file use "DG2020_B" as the device name, '\n' or 0xa as the EOS character and set set-reos, set-xeos and set-bin to no.

Status: Tested

Supported functions:

`pulser_name()'
`pulser_state()'
`pulser_update()'
`pulser_shift()'
`pulser_increment()'
`pulser_reset()'
`pulser_next_phase()'
`pulser_phase_reset()'
`pulser_pulse_reset()'
`pulser_lock_keyboard()'
`pulser_shape_to_defense_minimum_distance()'
`pulser_defense_to_shape_minimum_distance()'
`pulser_automatic_shape_pulses()'
`pulser_automatic_twt_pulses()'
`pulser_minimum_twt_pulse_distance()'
`pulser_keep_all_pulses()'
`pulser_maximum_pattern_length()'
`pulser_show_pulses()'
`pulser_dump_pulses()'

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