AE Techron 7810-100-100 Linear Amplifier | APC Technology Group

7810-100-100

7810-100-100

AE Techron

High-Power, High-Precision AC/DC Linear Power Amplifier

100V RMS, 100A RMS, DC to 60 kHz

  • Stable when driving a wide range of resistive, inductive or capacitive loads
  • Four-quadrant operation (source and sink)
  • Field-selectable controlled-voltage or controlled-current operation
  • Protection circuitry protects the amplifier from input overloads, improper output connection (including shorted and improper loads), over-temperature, over-current, and supply voltages that are too high or low

AE Techron’s 7810 Series AC power amplifiers are durable, four-quadrant, DC-enabled, low-noise, wide-bandwidth amplifiers. This combination of features and capabilities makes them a great choice for a large number of research and industrial applications. 7810 series amplifiers are a great solution if bandwidth and/or system noise is a problem. They are able to drive low-impedance loads at frequencies of up to 60kHz.

Because they utilise a linear circuit topology, AE Techron 7810 series amplifiers have no switching noise in their output and very low radiated EMI. This results in THD and noise floors that are much lower than what is possible with traditional switch mode amplifiers, making them ideal for applications that require either high precision or, because of sensitive measurements, cannot tolerate the radiated noise associated with switch mode amplifiers.

7810 series amplifiers are tough, both physically and electrically. 7810 series models have been used for conducting experiments on a Navy warship, controlling a magnetic field in a fusion experiment, and driving DUTs while absorbing back EMF when there is a failure.

The 7810 series is designed and built for applications where large surge currents or long duration power is needed. This makes them ideal for applications where power or duty cycle requirements are greater than is possible with consumer- or pro-audio-grade amplifiers. Because power ratings are continuous, AE Techron amplifiers often produce between 4 and 8 times more power than a similarly rated consumer amplifier.

The 7810 Series consists of three amplifier models: 7810-50-200, 7810-100-100 and 7810-200-50.s Each model has been optimized for specific load impedances, from 0.1 ohm to 8 ohms. Customized versions can be ordered with special amplifier configurations and/or with extra rack space to install additional equipment. Contact us today; let us see if we can create a custom configuration specifically to meet your needs.


Key Performance Capabilities:

  • Output Power: Up to 10 kVA continuous, 20 kVA short-term
  • Current: Up to 200A continuous, 400A short-term
  • Voltage: Up to ±350 Vp
  • Bandwidth: DC to 60 kHz, ±3 dB
  • Slew Rate: 40V/µs
  • THD: Less than 0.25% (DC to 20 kHz)
  • DC Drift: Less than ±400 µV (from room temperature to thermal shutdown)
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More Information
Attribute Value
Protection

Over/Under Voltage: ±10% from specified supply voltage amplifier is forced to Standby

Over Current: Breaker protection on both main power and low-voltage supplies

Over Temperature: Separate output transistor, heat sink, and transformer temperature monitoring and protection

Physical Characteristics

Chassis: Black powder-coated heavy-duty steel frame and panels

Operating Temperature: 10°C to 50°C (50°F to 122°F), maximum output power de-rated above 30°C (86°F).)

Humidity: 70% or less, non-condensing

Cooling: Forced air cooling from front to back through filters via six 100ft3/min. fans

Dimensions (HxWxD): 40.1 x 22.6 x 31.6 in. (101.9 x 57.4 x 80.3 cm)

Weight: Approximately 380 lbs. (172 kg)

Peak Current 280A for 40 ms
Bandwidth DC to 60 kHz
Supply Voltage 3-phase 208V ±10%, 60A, 50/60 Hz; 400V, 30A version available
Status Display, Control, I/O

Front Panel LED Displays indicate: Ready, Standby, Fault

Soft Touch Switches for: Run, Stop, Reset

LCD Display: Can be configured for up to four simultaneous displays reporting one, two, or all four of the following: Vp, VRMS, Ap, ARMS. Also reports any fault conditions that occur and suggests corrective action.

Back Panel Power Connection: Barrier strip

Signal Output: Back-panel high-current connectors

Signal Input: Back-panel unbalanced BNC

Communication Capabilities

Reporting: System Fault, Over Temp, Over Voltage, Over Load

Residual Noise <250 µV (<0.25 mV)
Unit to Unit Phase Error ±0.1 degrees at 60 Hz
DC Drift
  • From Cold to Maximum Operating Temperature: <±400 µV
  • After 20 Minutes of Operation: ±200 µV
  • Output Impedance 3.2 mΩ in Series with 2.2 µH
    Phase Response ±8.3 degrees
    Output Offset Current <10 mA, DC
    Maximum Continuous Output Power 10 kW RMS
    Output Range -180Vp to +180Vp
    Output Current 0A to 100A RMS continuous
    Total Harmonic Distortion (THD) <0.25%
    DC Offset <±200 µV
    Slew Rate 40 V/µs
    Input Characteristics

    Unbalanced BNC connector: 10 kΩ single-ended

    Gain,

    • Voltage Mode: 40 volts/volt
    • Current Mode: 40 amperes/volt

    Gain Linearity (over input signal, from 0.2V to 5V),

    • DC: 0.0125%
    • AC: 0.030%

    Max Input Voltage: ±10V, balanced or unbalanced

    Input Impedance: 20 kΩ differential

    Input Sensitivity: 3.0V input for 3800W output into 1 ohm, adjustable

    Common Mode Rejection Range: ±11V DC maximum

    Common Mode Rejection Ratio: Better than 70 dB

    More Information
    Attribute Value
    Data Sheet Click here to view

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