Wideband driver amplifier with modulation function, 10MHz to 1.5GHz.
TekBox Digital Solutions Inc. TBMDA2
Designed to create a low-cost signal source for immunity testing of electronic building blocks and products.
The TBMDA2 wideband driver amplifier with modulation capabilities is designed to create an inexpensive 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. With a +27dBm 1dB compression point, it can boost the output power of the tracking generator up to 500mW. The TBMDA2 can drive Tekbox near-field probes to find sensitive spots in electronic circuits, create electric fields of up to 170V/m when driving the Tekbox TEM cell TBTC0, and is optimal for 100V/m when driving TBTC1 at 50V/m. When driving TBTC2 or TBTC3, it can produce 30V/m. The test signals for immunity testing can be CW, AM, or PM. As a result, the TBMDA2 provides built-in modulation capabilities to generate 1 kHz AM or PM signals. In PM mode, the TBMDA2 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
【TBMDA2 Specifications】 Input: 50 Ohm, SMA Female Output: 50 Ohm, SMA Female Nominal Supply Voltage: 5V, 700mA (typ.), Mini-USB-B Connector Maximum Supply Voltage: 5.5V Maximum Input Power: Continuous +8dBm, 0dBm @ 25℃ (maximum 5 minutes) Operating Temperature Range: -20℃ to 50℃ Frequency Range: 10MHz to 1.5GHz 1dB Output Compression Point @ 10MHz: +24dBm (typ.) 1dB Output Compression Point @ 100MHz: +27dBm (typ.) 1dB Output Compression Point @ 1GHz: +27dBm (typ.) 1dB Output Compression Point @ 1.5GHz: +26.5dBm (typ.) Harmonics: < –30 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 gain block • Signal source for immunity testing, drives near-field probes • Signal source for immunity testing that drives 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.
