NXP Semiconductors BFU725F manual Perfect match up to 20 GHz, Key features, Key benefits

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SiGeC microwave NPN transistor BFU725F

A perfect match up to 20 GHz

Meet the trend towards higher frequencies. With NXP Semiconductors’ latest SiGeC microwave NPN transistor BFU725F, you get high switching frequencies plus extremely high gain and low noise. All this in an easy-to-use SOT343F package. It’s the ideal solution for applications up to 20 GHz.

Key features

ÑVery low noise (0.4 dB at 1.8 GHz / 0.67 dB at 5.8 GHz)

ÑHigh maximum stable gain (27.8 dB at 1.8 GHz / 10 dB at 18 GHz)

ÑHigh switching frequency (fT >100 GHz / fMAX >150 GHz)

ÑPlastic surface-mount SOT343F package

Key benefits

ÑSiGeC process delivers high switching frequency from a silicon-based device

ÑCost-effective alternative to GaAs devices

ÑRoHS compliant

Key applications

ÑGPS systems

ÑDECT phones

ÑLow noise amplifi er (LNA) for microwave communications systems

Ñ2nd stage LNA and mixer in direct broadcast satellite (DBS) low-noise blocks (LNBs)

ÑSatellite radio

ÑWLAN and CDMA applications

ÑLow-noise microwave applications

The NPN microwave transistor BFU725F delivers an unbeatable blend of high switching frequency, high gain and very low noise. Thanks to its ultra-low noise fi gure, it’s perfect for your sensitive RF receivers particularly those for high-performance cell phones. Alternatively, with its high cut-off frequency,

it’s your ideal solution for microwave applications in the 10 GHz to 30 GHz range, such as satellite TV receivers and automotive collision avoidance radar.

The BFU725F get its outstanding performance from our innovative silicon-germanium-carbon (SiGeC) BiCMOS process. QUBiC4X was designed specifi cally to meet the needs of real-life, high-frequency applications and delivers an unrivalled fusion of high power gain and excellent dynamic range. It combines the performance of gallium-arsenide (GaAs) technologies with the reliability of a silicon-based process.

In addition, with the BFU725F, you don’t need a biasing IC or negative biasing voltage. So it’s a much more cost-effective solution than GaAs pHEMT devices.

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Contents Perfect match up to 20 GHz Key featuresKey benefits Key applicationsGain as a function of frequency typical values Parameter Symbol Conditions Value

BFU725F specifications

NXP Semiconductors BFU725F is a highly regarded RF transistor that supports a wide range of applications, particularly in the fields of wireless communications and RF amplification. This device is part of NXP’s extensive portfolio designed for high-frequency performance and efficiency, complementing their commitment to innovation in the semiconductor industry.

One of the primary features of the BFU725F is its frequency range capability. It operates effectively up to 6 GHz, making it suitable for applications such as GSM, WCDMA, Wi-Fi, and Bluetooth technologies. This versatility allows designers to utilize the BFU725F in various wireless systems, enhancing performance in both consumer and industrial products.

The BFU725F is built using advanced SiGe (silicon-germanium) technology. This technology provides superior performance over conventional silicon transistors, particularly in terms of gain, bandwidth, and junction capacitance. The SiGe construction of the BFU725F allows it to achieve a high transition frequency (fT), which is critical for operating at higher frequencies with increased efficiency and lower power consumption.

Another notable characteristic of the BFU725F is its excellent noise figure performance. The low-noise capabilities of this transistor make it an ideal choice for applications that require high sensitivity, such as RF front ends in receivers. This feature ensures that the signal integrity is maintained, even in challenging environments where interference might be present.

The BFU725F is packaged in a compact SOT-23 form factor, which facilitates ease of integration into various circuit designs without taking up substantial board space. This small size, coupled with its impressive thermal performance, allows for dependable operation in both mobile devices and fixed installations.

Reliability is also a notable attribute of the BFU725F. NXP Semiconductors has designed this transistor with stringent quality controls and standards to ensure consistency in performance across different production batches. This reliability assures engineers and manufacturers that the BFU725F will deliver optimal results over its lifespan.

In summary, the NXP Semiconductors BFU725F combines advanced SiGe technology with a frequency range of up to 6 GHz, low noise performance, and a compact package design. These attributes make it an excellent choice for varied RF applications in today’s increasingly connected world, aligning with NXP's dedication to providing high-performance semiconductor solutions.