Wideband driver amplifier with modulation function, 25MHz to 3GHz.
TekBox Digital Solutions Inc. TBMDA1
With a gain of 22 dB and a 1 dB compression point of +22 dBm, the output power of the tracking generator can be increased to a maximum of 150 mW.
The TBMDA1 modulated wideband driver amplifier is designed to create a low-cost signal source for immunity testing of electronic building blocks and products. It is designed to be driven by the tracking generator output of a spectrum analyzer. With a gain of 22 dB and a 1 dB compression point of +22 dBm, it can boost the output power of the tracking generator up to 150 mW. The TBMDA1 is ideal for driving Tekbox near-field probes to generate electric fields of up to 50 V/m when locating sensitive spots in electronic circuits or when driving the Tekbox TEM cell TBTC1, or 25 V/m when driving TBTC2 or 18 V/m when driving TBTC3. The test signals for immunity testing can be CW, AM, or PM. As a result, the TBMDA1 provides built-in modulation capabilities to generate 1 kHz AM or PM signals. In PM mode, the TBMDA1 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
【TBMDA1 Specifications】 Input: 50 Ohm, SMA Female Output: 50 Ohm, SMA Female Nominal Supply Voltage: 5V, Standard 235mA, Mini-USB-B Connector Maximum Supply Voltage: 5.5V Maximum Input Power: +9dBm 1dB Output Compression Point @ 40MHz: +21.5dBm 1GHz Output Compression Point @ 2GHz: +22.5dBm 3rd Output Intercept Point @ 40MHz: +39dBm 3rd Output Intercept Point @ 2GHz: +42dBm Reverse Isolation S12: -45dB Noise Figure: 3…4 dB 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, 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 advanced 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 safety and reliability. We aim to offer new products and solutions that the market needs, without being constrained by traditional testing methods and equipment.
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