Overview
The AE Techron’s 7118 is a 425-VA, 4-quadrant, AC and DC amplifier that provides exceptional versatility and value. Compact size, user configurability, DC-Max™ topology, and AE Techron toughness make the AE Techron 7118 the ideal lab partner for automotive conducted immunity testing, PSRR testing, or any application where more voltage or current is needed than is available from the signal source.
AE Techron 7118 Compact Power
The AE Techron 7118 weighs just 20 pounds and fits into approximately one-half of a 2U rack space, but still can output up to 425 watts RMS continuous. This makes the 7118 a great choice when size or portability are important selection criteria.
AE Techron 7118 Versatile
Front-panel user controls give the AE Techron 7118 a wide range of possible uses; gain, maximum current, and DC offset can be fixed or infinetely varied. The choice of AC or DC coupling makes it suitable both for DC applications and for driving objects like coupling transformers or piezo elements that shouldn’t see DC. All controls can be turned off when only a durable, high-current amplifier or DC source is needed. Or each function can be individually enabled to provide the unique set of capabilities needed at the moment.
The AE Techron 7118 can produce a DC output without an input signal. DC output is independent of input signal and amplifier gain. This DC capability, when combined with an input signal from a function generator, creates a versatile DC source with high-speed ripple and dropout capabilities.
AE Techron 7118 DC-Max™
AE Techron 7118 is built with our new DC-Max topology. Amplifiers with DC-Max have long-term DC power that is more than 40% greater than traditional designs. This increased DC performance better matches the power requirements found in DC conducted immunity and PSRR testing.
AE Techron 7118 Toughness
The AE Techron 7118 is compact in size, but it is designed using the same conservative design rules and protection systems that have made AE Techron amplifiers the toughest audio bandwidth amplifiers available.
AE Techron 7118 Output
AC Output
Note: Testing performed into resistive loads as specified. Performance reported is typical into the specified load up to 20 kHz frequency levels. Performance may be affected when operating into highly reactive loads or above 20 kHz, reducing maximum voltage, current and power output.
AC Specifications – High Voltage Mode |
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| Ohms | PEAK OUTPUT | RMS OUTPUT | ||||||||||
| 40mSec Pulse, 20% Duty Cycle |
5 Min, 100% Duty Cycle |
1 Hr, 100% Duty Cycle |
5 Min, 100% Duty Cycle |
1 Hr, 100% Duty Cycle |
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| Volts | Amps | Volts | Amps | Volts | Amps | Volts | Amps | Volts | Amps | Watts | ||
| Open | 150.8 | 0.0 | 148.4 | 0.0 | 148.4 | 0.0 | 105 | 0.0 |
105 |
0.0 | 0 | |
| 32 | 149.3 | 4.7 | 148.5 | 4.7 | 148.5 | 4.7 | 105 | 3.3 | 105 | 3.3 | 347 | |
| 16 | 149.3 | 9.2 | 138.5 | 8.54 | 111.7 | 6.7 | 98 | 6.04 | 79 | 4.8 | 379 | |
| 8 | 127.3 | 15.9 | 113.1 | 14.1 | 56.8 | 7.1 | 80 | 10 | 40.2 | 5 | 201 | |
AC Specifications – High Current Mode |
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| Ohms | PEAK OUTPUT | RMS OUTPUT | ||||||||||
| 40mSec Pulse, 20% Duty Cycle |
5 Min, 100% Duty Cycle |
1 Hr, 100% Duty Cycle |
5 Min, 100% Duty Cycle |
1 Hr, 100% Duty Cycle |
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| Volts | Amps | Volts | Amps | Volts | Amps | Volts | Amps | Volts | Amps | Watts | ||
| Open | 92.0 | 0.0 | 91.1 | 0.0 | 92.3 | 0.0 | 65 | 0.0 | 65.3 | 0.0 | 0 | |
| 8 | 75.8 | 9.6 | 72.8 | 9.04 | 72.8 | 9.04 | 51.5 | 6.4 | 51.5 | 6.4 | 329.6 | |
| 4 | 68.4 | 17 | 63.3 | 15.8 | 58.4 | 14.6 | 44.8 | 11.2 | 41.3 | 10.3 | 425.4 | |
| 2 | 48.5 | 24 | 46.9 | 23.3 | 29.7 | 14.8 | 33.2 | 16.5 | 21 | 10.5 | 220.5 | |
DC Output
Note: Testing performed in high-current mode. |
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| OUTPUT (Amperes) | |||||||||||
| Volts DC | 5 Minutes, 100% Duty Cycle |
1 Hour, 100% Duty Cycle |
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| 48.0 | 15 | 9.0 | |||||||||
| 24.0 | 10.0 | 7.5 | |||||||||
| 13.5 | 7.6 | 6.0 | |||||||||
| Specifications | |
| Performance Overview | |
| AC Power (up to 20 kHz) |
425 watts RMS |
| Small Signal (8V p-p) | 400 kHz |
| For High-Power Applications to | 50 kHz |
| DC Power | 9A at 48V DC |
| 40 mS Pulse (0.5Ω) | 25 Ap |
| Slew Rate | 75 V/µs |
| Output Voltage | ±150 Vp or ±92 Vp |
| Output Impedance | 10 mΩ in series with 0.95 µH |
| Performance | |
| AC testing was done at 1 kHz. Continuous DC power levels are lower. See DC Specifications chart. | |
| Frequency Response | DC—150 kHz (1 watt): +0 to -3.0 dB |
| 24-Ohm Power Response (continuous duty) | DC to 60 kHz: ± 150 Vpk DC to 200 kHz : ± 70 Vpk |
| Slew Rate | 75 V/µSec |
| Residual Noise | 10 Hz to 22 kHz: 250 µV (0.25 mV) 10 Hz to 500 kHz: 650 µV (0.65 mV) |
| Signal-to-Noise Ratio | 10 Hz - 30 kHz: –105 dB 10 Hz - 500 kHz: –97 dB |
| THD (DC - 30 kHz) | <0.1% |
| DC Offset | <±1 mV |
| DC Drift (after 1 minute operation) | <±200 µV |
| Output Impedance | 10 mOhm in Series with 0.95 µH |
| Phase Response (10 Hz - 10 kHz) | ±6 degrees including 800 nsec propagation delay |
| Input Characteristics | |
| Balanced with ground | Three terminal barrier block connector, 20k ohm differential |
| Balanced with ground | Back-panel DB-9 connector (pins 1, 2 and 3), 20k ohm differential |
| Unbalanced | BNC connector, 10k ohm single ended |
| Voltage Mode | 20 volts/volt |
| Current Mode | 5 amperes/volt |
| Gain Linearity (over input signal, from 0.2V to 5V) |
AC: 0.05% DC: 0.025% |
| Max Input Voltage | ±10V, balanced or unbalanced |
| Display, Control, Status, I/O | |
| Front Panel | |
| Toggle Switch for | Power |
| I LIMIT, | Switch: 25A fixed or variable Variable Control Knob: 1 - 25A |
| COUPLING Switch | AC or DC |
| OFFSET | Switch: None or Variable Variable Control Knob: ±20V (configurable for ±45V) |
| RAIL V Switch (voltage potential) | 180V or 90V |
| GAIN | Switch: 20X fixed or variable Variable Control Knob: 0-20X |
| LED Displays indicate | Power, Signal, Overload, Fault |
| Signal Input | Unbalanced BNC or balanced Barrier Strip |
| Signal Output | One pair of 5-Way Binding Posts, accepts wire up to 12 AWG |
| Back Panel | |
| Power Connection | 25 Amp IEC (with retention latch) |
| DB-9 Connector for | Balanced signal input, remote emergency stop, fault monitor, current monitor. |
| Communication Capabilities (via back-panel DB-9 Control Port) |
|
| Current Monitor | 5A/V ±1% |
| Reporting | System Fault |
| Remote Control | Emergency Stop |
| Physical Characteristics | |
| Chassis | The Amplifier is designed for stand- alone or rack-mounted operation. The chassis is steel with a black powder coat finish. The unit occupies one-half rack of two EIA RU |
| Weight | 20 lbs (9.1 kg), Shipping 26 lbs (11.8 kg) |
| AC Power | Single phase, 120 VAC, 60 Hz, 15A service; (220-240 VAC, 50-60 Hz, 8A service model available) |
| Operating Temperature | 10°C to 50°C (50°F to 122°F), maximum output power derated above 30°C (86°F).) |
| Humidity | 70% or less, non-condensing |
| Cooling | Two-speed forced air cooling from front to back |
| Dimensions | 9.5 in. x 22.75 in. x 3.5 in. (24.1 cm x 57.8 cm x 8.9 cm) |
| Protection | |
| Over/Under Voltage | ± 10% from specified supply voltage amplifier is forced to Standby |
| Over Current | Fuse protection on both main power and low voltage supplies |
| Over Temperature | Separate output transistor, heat sink, and transformer temperature monitoring and protection |
AE Techron 7118 Performance
