Celebrating 40 Years of Innovation: 1968-2008

Products: High Voltage Power Amplifiers

Trek Model PZD350 Piezo Driver/Amplifier

Now equipped with SHV type high-voltage output connectors.

The Trek Model PZD350 is a high-voltage DC power piezo amplifier designed to provide precise control of output voltages in the bipolar range of 0 to ±350 V and unipolar ranges of 0 to +700 V or 0 to -700 V DC or peak AC. Output current capabilities of ±200 mA for the bipolar range or ±100 mA for the unipolar ranges are available. Bipolar or unipolar ranges are customer specified and factory set. The Model PZD350 is configured as a noninverting amplifier with a variable DC gain of 0 to 150 V/V. An inverting amplifier configuration is optionally available.

Applications for the Model PZD350 piezo amplifier / driver include piezoelectric driving/control, laser modulation, semiconductor research, and ion beam control. Features include an all-solid-state design, a slew rate greater than 500 V/µs (for ±350 V range) or 350 V/µs (for the 700 V ranges), and a small signal bandwidth of greater than 100 kHz. The four-quadrant active output stage sinks or sources current into reactive or resistive loads throughout the output voltage range. This capability is essential for achieving the accurate output responses and high slew rates demanded by reactive loads. The Model PZD350 is available as a single or dual channel instrument and can be operated on a bench top or, with optional hardware, in a standard 19-inch rack.

back to top

AMPLIFIER INPUT & Output

  • Output
    (Factory set per customer requirement)
    • Bipolar Range Model
      0 to ±350 V DC or peak AC.
      • Current
        0 to ±200 mA.
      • Slew Rate (10% to 90%, typical)
        Greater than 500 V/µs.
      • Large Signal Bandwidth (1% distortion)
        DC to greater than 40 kHz.
    • Unipolar Range Model
      0 to +700 V DC or peak AC.
      • Current
        0 to ±100 mA.
      • Slew Rate (10% to 90%, typical)
        Greater than 350 V/µs.
      • Large Signal Bandwidth (1% distortion)
        DC to greater than 14 kHz.
    • Unipolar Range Model
      0 to -700 V DC or peak AC
      • Current
        0 to ±100 mA.
      • Slew Rate (10% to 90%, typical)
        Greater than 350 V/µs.
      • Large Signal Bandwidth (1% distortion)
        DC to greater than 14 kHz.
  • Input
    • Input Voltage Range
      0 to ±10 V DC or peak AC. (See Gain Control.)
    • Input Impedance Noninverting
      90 kohm, nominal.
    • Input Impedance Inverting
      1 Mohm, nominal.

back to top

PERFORMANCE

  • DC Voltage Gain
    0 to 150 V/V, adjustable using front panel potentiometer.
  • DC Voltage Gain Accuracy (input to output)
    Better than 0.1% for factory set gain of 100 V/V.
  • Offset Voltage
    Less than ±500 mV.
  • Output Noise (all ranges)
    Less than 100 mV rms to 20 kHz for a 100 pF load.
    Less than 150 mV rms to 20 kHz with no load.
    Measured with the true rms feature of the Hewlett Packard Model 34401A digital multimeter.
  • Small Signal Bandwidth (-3 dB)
    DC to greater than 100 kHz.
  • Settling Time to 1%
    Less than 30 ms when critically damped.
  • Stability (with factory set gain of 100 V/V)
    • Drift with Temperature
      Less than 100 ppm/°C.
    • Drift with Time
      Less than 50 ppm/hr, noncumulative.
  • Automatic Power Limit
    Automatically limits the internal power dissipation to protect the Model PZD350 from overheating. The following graphs illustrate the automatic power limit.

back to top

PRODUCT FEATURES

  • The Model PZD350 is available in single or dual channel instruments. The following features are specific to each amplifier channel.
  • Digital Enable
    A BNC connection for a TTL compatible signal to turn on and off the high-voltage output is provided for each amplifier channel. A TTL high (or open) turns off the high-voltage output. A TTL low turns on the high-voltage output.
  • Gain Control
    The DC gain is adjustable from 0 to 150 V/V.
  • Dynamics Adjustment
    A graduated potentiometer is used to optimize the AC response of the output signal for various load parameters.
  • High-Voltage LED
    Front panel green LED illuminates when the high-voltage is on.
  • Input Configuration
    The input is configured as a noninverting amplifier. An inverting amplifier configuration is available. Specify when ordering or contact TREK, INC. for more information.
  • Voltage Monitor
    A buffered output provides a low-voltage replica of the high-voltage output.
    • Scale
      1/100th of the high-voltage output.
    • DC Accuracy
      Better than 0.1% of full scale.
    • Offset Voltage
      Less than 5 mV.
    • Output Noise
      Less than 10 mV rms (measured using the true rms feature of the Hewlett Packard Model 34401A digital multimeter).
    • Output Impedance
      Less than 47 ohms.
  • Current Monitor
    A buffered output provides a low-voltage representation of the load current.
    • Scale
      0.05 V/mA.
    • DC Accuracy
      Better than 1% of full scale.
    • Offset Voltage
      Less than 25 mV.
    • Output Noise
      Less than 25 mV rms (measured using the true rms feature of the Hewlett Packard Model 34401A digital multimeter).
    • Output Impedance
      Less than 0.1 ohms.
  • Power On LED
    Front panel green LED illuminates when the power is on.
  • Limit Indicator
    A yellow indicator will illuminate when the PZD350 fails to produce the required high-voltage output such as due to Automatic Power Limit or output shorting.

back to top

GENERAL

  • Dimensions
    • One Channel
      110 mm H x 220 mm W x 445 mm D
      (4.3" H x 8.7" W x 17.5" D).
    • Two Channel
      110 mm H x 432 mm W x 445 mm D
      (4.3" H x 17" W x 17.5" D).
  • Weight
    • One Channel
      5 kg (11 lb).
    • Two Channel
      10 kg (22 lb).
  • High-Voltage Output Connector
    SHV connector.
  • High-Voltage Output Impedance
    0.1 ohm.
  • Amplifier Input
    BNC coaxial connector.
  • Digital Enable Connector
    BNC coaxial connector.
  • Power Requirements
    • Line Supply
      Factory set for one of two ranges: 90 to 127 V AC or 180 to 250 V AC, at 48 to 63 Hz (specify when ordering).
    • Power Consumption
      90 VA, single channel.
      175 VA, dual channel.
  • AC Line Receptacle
    Standard three-prong AC line connector with an integral fuse holder.
  • Operating Conditions
    • Temperature
      0 °C to 40 °C.
    • Relative Humidity
      To 85%, noncondensing.

back to top

ACCESSORIES SUPPLIED

Operator's manual, SHV mating connector, line cord, and fuses.

back to top

CERTIFICATION

TREK, INC. certifies that each Model PZD350 is tested and calibrated to specifications using measurement equipment traceable to the National Institute of Standards and Technology or traceable to consensus standards. A Certificate of Calibration accompanies each instrument when it is shipped from the factory.

All specifications are with no load unless otherwise noted. Factory standard settings are for ±350 volt range, a gain set for 100 V/V, with a noninverting input.

All specifications are with no load unless otherwise noted and are subject to change.

back to top