TBDCA1 DC coupled power amplifier
The TBDCA1 is a DC-coupled power amplifier with low output impedance. It delivers up to 150WRMS , has a 3dB bandwidth from DC to 3 MHz, an output voltage range of up to 55 Vpp , a maximum continuous output current of 10 A RMS and a usable frequency range from DC to 10 MHz.
General specification
- 3 dB bandwidth: DC – 3 MHz, useable up to 10 MHz
- Output power: 150 W, depending on load impedance
- Voltage gain: switchable; 0 dB, 10 dB, 20 dB, 30 dB, 40 dB
- Operating temperature range: -20°C to +40°C
- Dimensions: W 300 mm x H 150 mm x L 420 mm
- Weight: 10 kg
Output specification
- Nominal output power:
- 150 W @ RLOAD ≤ 2 Ω
- 80 W @ RLOAD = 4 Ω
- 30 W @ RLOAD = 12 Ω
- Max. output voltage: 56 VPP
- Max. continuous output current: 10 ARMS
- Max. output current: 20 ARMS for 30 seconds
- Min. output impedance: 0.5 Ω
- Output offset voltage: adjustable; ± 25 V
- Output connector: 4 mm posts
- Voltage monitor output: voltage division ratio: 1:20 @ 50 Ω; 1:10 @ High Z; BNC-female
- Current monitor output: trans-impedance: 0.1 V/A @ 50 Ω; 0.2 V/A @ High Z; BNC-female
- Current Limit: adjustable, 0 … ±12 A
- Rise time: typ. ≥ 20 ns; ringing depending on load inductance and cable length
Input specification
- Input coupling: AC / DC; switchable
- Input impedance: 50 Ω / High Z; switchable
- Input voltage range: ± 3V (6Vpp ) for maximum output power at 0 dB gain
- Max. input voltage rating: ± 5V @ 50 Ohm input impedance; ± 30V @ High Z
- Input connector: BNC – female
Supply specification
- Operating Voltage: 90 V – 260 V; 50 Hz / 60 Hz
- Max. current consumption: 9 A @ 115 VAC; 4.5 A @ 230 VAC
- Connector: EN 60320, C14
Applications
- General purpose output amplifier for arbitrary waveform generators
- Stress testing according to ISO 16750-2 and ISO 7637-2
- Power supply input impedance measurement
- Structure current injection for MIL-STD-461H, CS109
- Voltage ripple injection for MIL-STD-461H, CS101 or RTCA/DO-160 Section 18
- Immunity testing according to ISO 11452-10, SAE J1113-2 and various automotive manufacturer specific standards
- RF power amplifier to drive Helmholtz coils or loop antennas