AE Techron 7796HC Power Amplifier DC – 30 kHz 6.6kW for MIL-STD 704

Description

AE Techron 7796HC Power Amplifier DC – 30 kHz 6.6kW for MIL-STD 704 is a DC plus audio bandwidth AC signal source that can be used to simulate ripple noise, drop outs, surges and ground shift noise as required by a variety of standards for DC powered electronics in the aviation and automotive industries.

 

MODEL SERIES OVERVIEW

7700-series EMC RF Power Amplifiers DC – 250 kHz, 5 – 20kW, Three Phase for Conducted Immunity Testing

Features

  • Stable when driving highly capacitive loads
  • Up to 85A continuous at 13.8 VDC
  • Up to 200A inrush current capability
  • 150+ kHz small signal bandwidth
  • ±80 VDC capable
  • Fast 41 V/μS slew rate
  • Four quadrant operation (source and sink)
  • 3-ohm output impedance
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Specifications

Frequency response DC – 30 kHz, +0.1, -0.5 dB
8 ohm power response DC – 50 kHz:  ± 150 Vpk
DC – 150 kHz:  ± 50 Vpk
DC – 200 kHz:  ± 25 Vpk
Maximum continuous output power 6600 watts RMS
Slew rate 41 V/μSec
Phase response ± 8.3 degrees (10 Hz – 10 kHz)
Unit to unit phase error ± 0.1 degrees at 60 Hz
Output offset 7796 < 5 mV, field adjustable to < 1 mV
7796P < 200 µV
Output offset current < 10 mill amperes DC
DC drift 7796 ± 1.5 mV
7796P ± 400 μV (from cold to max operating temp)
± 200 μV (after 20 minutes of operation)
Residual noise Unfiltered < 75 μV
Filtered

(400 Hz-30 kHz)

< 55 μV
THD DC – 30 kHz < 0.1%
Input Characteristics
Balanced with ground 3 terminal barrier block connector 20k ohm differential
Unbalanced BNC connector, 10k ohm single ended
Gain
Voltage mode 20 volts/volt
Current mode 20 amperes/volt
Gain Linearity (over input signal, from 0.2V to 5V) 7796 0.1%
7796P DC 0.0125%
AC 0.030%
Max Input voltage ± 10V balanced or unbalanced
Input impedance 20k Ohm differential
Input sensitivity 3.0V input for 3800W output into 1 ohm (adjustable)
Common mode rejection range ± 11 VDC max
Common mode rejection ratio 70 dB
Display, Control, Status, I/O
Front Panel LED Displays indicate Run, Ready, Standby, Stop, and Fault conditions in the output stage
LCD Display Lists type of fault condition and gives suggested corrective action
Soft Touch Switches for Run (Enable), Stop, Reset
User Configurable LCD display can be configured for up to four simultaneous displays reporting one, two or all four of the following: Voltage Peak, Voltage RMS, Current Peak, and Current RMS
Back Panel
Power Connection NEMA-style locking receptacle; matching AC connector also included
Signal Output 4-position terminal barrier block
Signal Input User-selectable Unbalanced BNC or Balanced Barrier Strip
Interlock Connector 25-pin D-sub connector used for amplifier control and status applications; also used in multi-amplifier applications
Communication Capabilities
Current Monitor ± 1V / 20A ±1%
Voltage Monitor ± 1V / 1V ±1%
Reporting System Fault, OverTemp, Over Voltage, Overload
Control Force to Standby; Reset after a fault
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 All aluminum construction designed for stand-alone or rack-mounted operation with black chassis; the amplifier occupies seven EIA 19-inch-wide rack units
Weight 153 lbs. (69 kg)
AC Power Three-phase, 208 VAC ±10%, 47-60 Hz, 30A AC service. (400 VAC +/-10%, 20A version available)
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 removable filters via six 100 ft3/min. fans. No space is required between rack-mounted amplifiers. Air filters are removable from the rear via one fastener per side and may be eliminated if cabinet filtration is provided.
Dimensions 19 in. x 22.8 in. x 12.25 in. (48.3 cm x 57.9 cm x 31.1 cm). Unite occupies seven EIA 19-inch-wide rack units.
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