BCM7313NKPB7G

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RF Misc ICs and Modules include a variety of different technologies such as transmitters, receivers, synthesizers, controllers, filters, amplifiers, and more. The BCM7313NKPB7G integrated circuit is one such RF module design in this category which offers an efficient and cost-effective solution for various customer applications. Herein, we discuss the application field and working principle of this IC.

The BCM7313NKPB7G is a single-chip radio frequency (RF) transmitter IC designed for applications such as Bluetooth-enabled enabled audio streaming equipment. It integrates an efficient RF power amplifier (PA), RF filter, a low noise amplifier (LNA) and supporting circuitry that collectively facilitate a wideband, high-efficiency transmission link. With a frequency range up to 4 GHz, the IC supports data rates up to 1 Mbps.

This IC also features comprehensive transmit power control capabilities with programmable output power levels from +2 to +6 dBm. The amplifier provides continuous adjustable gain control ensuring good linearity and high efficiency, and transmit power is optimized for maximum compliance with international radio power regulations. The on-chip LNA offers superb sensitivity and low-noise performance, making it well suited for Bluetooth Low Energy (BLE) and Wi-Fi 802.11b/g/n applications.

The BCM7313NKPB7G is powered by a single 3.3V/1.8V supply. It offers a combination of very low current consumption (25mA/5mA) at transmit/receive, respectively, as well as very low RF noise and low DC offset. The IC features a very fast settling time of 500ns and a very low insertion loss of 0.5 dB.

In terms of its working principle, the BCM7313NKPB7G IC uses direct-conversion architecture that involves conversion of an incoming modulated signal from RF directly to the IF frequency. The circuit involves the connected antenna, a low noise amplifier (LNA) and a mixer, along with a local oscillator. The incoming signal is first amplified by the LNA and then combined with the generated sine wave signal generated by the local oscillator, using the mixer. This combination is then further filtered and amplified, and then transmitted by the power amplifier circuit as an output frequency signal.

In summary, the BCM7313NKPB7G IC is a highly useful RF module design that can be used in applications such as Bluetooth-enabled audio streaming equipment, whereby it facilitates a high-efficiency wireless link with low-noise performance. This IC offers a variety of features including programmable output power levels, low current consumption, as well as low RF noise and DC offset. The working principle involves direct-conversion architecture with an efficient RF power amplifier, RF filter, and LNA circuit.

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