FS2L072NG

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The FS2L072NG is a low-power analog gain block circuit optimized for space applications. The device provides an adjustable gain of up to 8 dB with minimal external components, and requires only a single 3.3V supply. This makes it an ideal choice for applications such as satellite communications, medical instrumentation, point-to-point radio link systems, and other applications requiring a low-power solution. The FS2L072NG is capable of operating over a wide temperature range, from -40 to +105 °C, and can also be adjusted in the field to fine-tune the gain level.

The FS2L072NG is a three-stage analog gain block composed of differential pairs of field effect transistors. The first stage is a cascade amplifier, the second is an emitter-follower buffer, and the third is a source follower amplifier. The gain of the circuit is determined by the ratio of the current in the emitter-follower buffer and is adjusted with a single external resistor. The differential nature of the device allows the gain to be adjusted independently of the supply voltage.

The FS2L072NG is designed for high-frequency applications, and can operate from DC up to 1.8 GHz. The device offers low total harmonic distortion (THD) of -65 dBc, excellent linearity of 40 dB, and high power-supply rejection ratio (PSRR) of 40 dB. The device also offers good common-mode rejection (CMRR) of 38 dB.

The FS2L072NG is ideal for space applications due to its low power consumption and small size. The device is available in a 14-pin EPAD-tape and reel package, which is compatible with high-volume manufacturing processes. The entire device consumes less than 1 mW of power when operating at the nominal 3.3V supply, making it an economical solution for space and other low-power applications.

The FS2L072NG is an excellent example of an analog gain block circuit designed for space applications. With its adjustable gain, wide temperature range, high performance, and small size it is well suited for applications such as satellite communications, medical instrumentation, and point-to-point radio link systems. Its low power consumption, combined with its high performance and small size, make it an ideal choice for high-volume, low-power applications.

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