2008•Unpublished venueRequires access

A 260 MHz 5th-order Gm-C Biquad Low-Pass filter with wide frequency tuning range

Jinhan Fan, Wei Li, Ning Li, Junyan Ren

Abstract

A 260 MHz continuous-time 5th-order Gm-C Biquad Low-Pass filter with an automatic tuning circuit is described. The Nauta’s transconductor is applied for high frequency design. The cutoff frequency tuning can be achieved by adjusting load capacitance in two ways. The filter cutoff frequency is 260MHz. The HD3is less than -50dB for input signals up to 400mVpp. The power consumption is 24mW with 1.8-V supply voltage.

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Available abstract

Key concepts: Digital biquad filter, Low-pass filter, Range (aeronautics), Band-pass filter, Physics, Filter (signal processing), Electrical engineering, Materials science