A 31-Tap Reconfigurable Analog FIR Filter Using Heterogeneously Integrated Polystrata Delay-Lines

被引：5

作者：

Wagner, Eric ^{[1
]}

LaRocca, Tim ^{[1
]}

Verderber, Mark ^{[2
,3
]}

Rezende, Carlos ^{[2
]}

May, Peter ^{[2
]}

机构：

[1] Northrop Grumman Corp, RF Mixed Signal Dept, Redondo Beach, CA 90278 USA

[2] Nuvotronics, Durham, NC 27703 USA

[3] Smiths Interconnect, Tampa, FL 33634 USA

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2022年 / 32卷 / 06期

关键词：

Finite impulse response filters; Microwave circuits; Passband; Loss measurement; Semiconductor device measurement; Radio frequency; Microwave theory and techniques; Delay filters; delay lines; finite impulse response (FIR); heterogeneous integration; Polystrata; tunable filters; ACTIVE-FILTERS; TRANSVERSAL;

D O I：

10.1109/LMWC.2022.3168505

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter presents a 31-tap analog finite impulse response (FIR) filter capable of synthesizing bandpass, bandstop, and multinull filter responses with continuous center frequency and bandwidth tuning from less than 1 to 20 GHz. The FIR filter delay-lines are realized using Polystrata 3-D air-metal-dielectric technology and are heterogeneously integrated directly on top of a CMOS die using 100-mu m-diameter Sn63Pb37 solder bumps. The CMOS chip contains 7-bit programmable weighting circuits at each delay-line tap to allow synthesis of arbitrary frequency responses limited only by the Q-factor of a 31-tap FIR filter and dynamic range of the weighting elements. The final assembly is 5.04 x 3.85 x 3.64 mm(3), consumes 200-350 mA from a 1.8-V supply, and shows good repeatability between measured samples.

引用

页码：648 / 651

页数：4

共 13 条

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