Power amplifier with modulation function 50KHz to 70MHz
TekBox Digital Solutions Inc. TBMDA4
In the input power range of 5 dBm to 0 dBm, the output power of the tracking generator can be boosted up to a maximum of 5W.
The TBMDA4 modulated wideband power amplifier is designed to create a low-cost signal source for immunity testing of electronic building blocks and products, driven by the output of a spectrum analyzer's tracking generator. It can boost the output power of the tracking generator up to 5W within an input power range of -5 dBm to 0 dBm. It ideally complements the TBMDA3, which covers a frequency range of 10 MHz to 1 GHz from 100 kHz to 50 MHz. The TBMDA4 is ideal for driving Tekbox near-field probes to find sensitive spots in electronic circuits, creating electric fields of up to 550 V/m when driving the TEM cell TBTC0, and 300 V/m when driving TBTC1. When driving TBTC2 or TBTC3, it generates 100 V/m. The test signals for immunity testing can be CW, AM, or PM modulated, providing built-in modulation capabilities to generate 1 kHz AM or PM signals. In PM mode, the TBMDA4 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
【TBMDA4 Specifications】 Input/Output: 50 Ohm, N female Supply Voltage Range: 110 V…240 V Power Consumption: 20W Operating Temperature Range: -20°C to 50°C Frequency Range: 100 kHz – 50 MHz 1dB Output Compression Point @ 1 MHz: +35.5 dBm typ 1dB Output Compression Point @ 10 MHz: +36 dBm typ 1dB Output Compression Point @ 50 MHz: +36.5 dBm typ 2nd Harmonic, 20 MHz, Pout = 36dBm: <– 15 dBc typ 2nd Harmonic, 25 MHz, Pout = 30dBm: <– 20 dBc typ 3rd Harmonic, 25 MHz, Pout = 36dBm: <– 25 dBc typ 3rd Harmonic, 25 MHz, Pout = 30dBm: <– 30 dBc typ Total Harmonic Distortion: 6.7% @ 25MHz, Pout = 27dBm typ 8.5% @ 25 MHz, Pout = 30 dBm typ 12% @ 25 MHz, Pout = 33 dBm typ 15% @ 25 MHz, Pout = 36 dBm typ
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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.
