With high gain, it can increase the output power of any tracking generator up to a maximum of 5W.
The TBMDA3 wideband power amplifier with modulation capability is designed to create a low-cost signal source for immunity testing of electronic building blocks and products. It is intended to be driven by the tracking generator output of a spectrum analyzer. Its high gain allows it to boost the output power of any tracking generator up to 5W. The TBMDA3 is ideal for driving Tekbox near-field probes to find sensitive spots in electronic circuits, or for generating electric fields of up to 550V/m when driving the Tekbox TEM cell TBTC0, 300V/m when driving TBTC1, and 100V/m when driving TBTC2 or TBTC3. The test signals for immunity testing can be modulated in CW, AM, or PM. As a result, the TBMDA3 provides built-in modulation capabilities to generate 1 kHz AM or PM signals. In PM mode, the TBMDA3 can also generate a 217 Hz signal with a 12.5% duty cycle to simulate mobile phone TDMA noise.
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basic information
【TBMDA3 Specifications】 Input/Output: 50 Ohms, N Female Supply Voltage Range: 110 V…240 V Power Consumption: 20W Maximum Input Power: +3 dBm Operating Temperature Range: -20°C to 50°C Frequency Range: 10 MHz – 1 GHz 1dB Output Compression Point @ 10MHz: +36 dBm typ 1dB Output Compression Point @ 100 MHz: +37 dBm typ 1dB Output Compression Point @ 500 MHz: +36 dBm typ 1dB Output Compression Point @ 1 GHz: +34 dBm typ Harmonics: <– 10 dBc typ Internal Modulation Frequency AM: 1 kHz ±10% Internal Modulation Frequency PM: 1 kHz ±10%, 217 Hz ±20% Duty Cycle, PM: 50% ±10% @ 1 kHz; 12.5% ±20% @ 217 Hz
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Applications/Examples of results
- General-purpose power amplifier - Signal source for immunity testing, driving near-field probes - Signal source for immunity testing, driving TEM cells and so on
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Company information
As a company that provides unique and innovative solutions in EMC testing and general measurement, Wavecrest Corporation is active in this field. The increasingly sophisticated electronic and communication environment not only affects the performance of its products but also serves as a social infrastructure that impacts the overall safety of society, requiring high levels of safety and reliability. We aim to provide new products and solutions that the market needs, without being constrained by traditional testing methods and equipment.