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THE PULSE OF THE FUTURE
DIRECTED
ENERGY
I N C O R P O R A T E D
PVX-4110
±10,000V PULSE GENERATOR
0 to ±10,000V Pulse Output
<60ns Rise And Fall Times
<200ns to DC Pulse Width
Optimized to drive deflection
plates, grids and other
capacitive loads
Protected against arcs, short
circuits and load transients
Voltage And Current Monitor
Outputs
The PVX-4110 pulse generator produces fast, high volt-
age wave forms to 10,000V. Optimized for high imped-
ance capacitive loads, the PVX-4110 is well suited for driv-
ing extraction grids and deflection plates for electrostatic
modulation of particle beams in time-of-flight mass spec-
trometers and accelerators. Its robust and versatile design
also makes it well suited for pulsing or gating power tube
grids, Pockels cells and Q Switches, acoustic transducers,
microchannel plates, photomultiplier tubes and image in-
tensifiers. The exceptional pulse fidelity of the PVX-4110
will optimize the performance of any system in which it is
used.
The PVX-4110 generates an output voltage pulse of
10,000 volts with rise and fall times less than 60ns, with
very flat voltage pulses to DC into a capacitive load. It can
generate singled-ended output pulses from ground to
+10,000V or from ground to –10,000V, and can also gen-
erate pulses originating from a DC voltage offset from
ground by using both VLow and VHigh power supply in-
a maximum power supply voltage differential of
≤
10,000V.
The PVX-4110 requires a TTL gate signal, a high voltage
DC power supply and optional DC offset supply inputs.
The output pulse width and frequency are controlled by
the gate signal. The pulse output voltage is controlled by
the amplitude of the input DC power supplies.
When the input gate is high, the V
HIGH
supply is connected
to the output. When the input gate is low, the V
LOW
supply
is connected to the output. Therefore the PVX-4110 can be
used to generate a negative-going pulse by logically
inverting the input gate, so that the input gate is high until
the unit is pulsed. When the input gate goes low, the V
LOW
input supply is connected to the output, thereby generating
a negative-going pulse.
The PVX-4110 features front panel indicator LEDs to moni-
tor the status of the pulse generator. Front panel voltage
and current monitors provide a straightforward means to
view the output voltage and current waveforms in real-time,
eliminating the need for an external high voltage oscillo-
scope probe.
The pulse generator is a direct-coupled, air-cooled solid-
state half-bridge (totem pole) design, offering equally fast
pulse rise and fall times, low power dissipation, and virtually
no over-shoot, under-shoot or ringing. It has over-current
detection and shut-down circuitry to protect the pulse gen-
erator from potential damage due to arcs and shorts in the
load or interconnect cable. All control and protection logic
circuitry, support power, energy storage and output network
are incorporated into the PVX-4110. It can be connected
directly to the load, and does not require series or shunt
resistors, impedance-matching networks between the
pulser and the load, or additional energy storage (capacitor
banks). All of this is taken care of within the PVX-4110.