INTERMODULATION DISTORTIONS IN TUNABLE LC FILTERS BASED ON VARICAPS

2021 ◽  
pp. 63-70
Author(s):  
I. V. Zabegailo ◽  
A. N. Yakovlev
Keyword(s):  
Bandpass Filters ◽  
Tunable Filter ◽  
Lc Filters ◽  
Intermodulation Distortions

The article discusses the issues of minimizing intermodulation distortions arising in tunable bandpass filters made with the use of varicaps. It presents the analysis of the tunable filter circuits, on the basis of which we determined the circuits with minimum intermodulation distortions.

scholarly journals A Technique for Tunable Filters with Low Insertion Loss and Narrow Bandwidth

2018 ◽  
Vol 38 ◽  
pp. 03039
Author(s):  
Chang Zhou ◽  
Chen Ji ◽  
Gen Ping Wu
Keyword(s):  
Insertion Loss ◽  
Return Loss ◽  
Tunable Filters ◽  
Tunable Filter ◽  
Center Frequency ◽  
Pin Diodes ◽  
Lc Filters ◽  
Narrow Bandwidth ◽  
Low Insertion Loss ◽  
Resonant Capacitor

A technique for tunable filters with low insertion loss and narrow bandwidth is proposed in the form of comb-line structure. Both resonant capacitor with pin-diodes and resonant inductance in the tunable filter were analyzed and the main source of insertion loss was obtained. A series of filters with same pin-diodes, center frequency, absolute bandwidth and low return loss was simulated. The results showed that, by changing the values of the resonant capacitor and inductance, insertion loss of the filter can be greatly restricted. This technique will allow the design of tunable LC filters with low insertion loss and narrow bandwidth.

Wideband Visible Wavelength Range MEMS Fabry-Perot Tunable Filter with Ag Alloy Mirror

2012 ◽  
Vol 132 (2) ◽  
pp. 25-30 ◽  
Author(s):  
Nozomu Hirokubo ◽  
Hiroshi Komatsu ◽  
Nobuaki Hashimoto ◽  
Makoto Sonehara ◽  
Toshiro Sato
Keyword(s):  
Wavelength Range ◽  
Tunable Filter ◽  
Visible Wavelength ◽  
Visible Wavelength Range ◽  
Fabry Perot

Spurious Suppression Effect by Transmit Bandpass Filters with HTS Dual-Mode Resonators for 5GHz Band

2009 ◽  
Vol E92-C (3) ◽  
pp. 288-295
Author(s):  
Kazunori YAMANAKA ◽  
Kazuaki KURIHARA ◽  
Akihiko AKASEGAWA ◽  
Masatoshi ISHII ◽  
Teru NAKANISHI
Keyword(s):  
Bandpass Filters ◽  
Dual Mode ◽  
Suppression Effect ◽  
Spurious Suppression

Investigation of HTS Microstrip Bandpass Filters for Extreme Working Conditions

2002 ◽  
Vol 57 (12) ◽  
pp. 6
Author(s):  
I. V. Korotash ◽  
M. Lorenz ◽  
E.M. Rudenko ◽  
T.V. Stepanova
Keyword(s):  
Working Conditions ◽  
Bandpass Filters

Ultra-Narrow Band Tunable Filter

2005 ◽  
Author(s):  
Balam A. Willemsen
Keyword(s):  
Narrow Band ◽  
Tunable Filter
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