Chin-Leong Lim

Compact LNA Drives 2.5-GHz Base Stations
This balanced amplifier achieves high gain and low noise figure and incorporates shut-down circuitry.
Balanced UHF LNA Simplifies Cell Towers
A balanced amplifier created for use in 900-MHz cell towers can contribute to simpler cellular system design.
Balanced Amplifier Aims For Low Noise
A balanced two-stage amplifier achieves extremely low noise figure at 1.9 GHz while also delivering good impedance matching and high stability and an integrated shut-down circuit.
VVA Extends BW And Dynamic Range
A PIN-diode attenuator module was designed and fabricated for wide dynamic range over a broad frequency range and in a small package size, nominally for cable and satellite television applications.
LNA Lowers Noise, Raises OIP3 At 3.5 GHz
The goal of this amplifier design was to maintain noise figure below 1 dB while achieving high gain and a robust output third-order intercept point for base-station applications at 3.5 GHz.
Wideband Limiter Fits SOT-323 Pack
This hybrid device combines a PIN diode with a Schottky diode to achieve effective limiting protection in a tiny SOT-323 package for wireless receivers operating from 10 to 1700 MHz.
PIN Switch Protects LNA From Overloads
A MMIC low-noise amplifier (LNA) can be paired with an external PIN diode bypass switch to provide overload protection for mobile television receiver applications at 47 to 870 MHz.
Cut Loss In Low-Voltage, Wideband PIN Attenuators
Some simple techniques, such as the addition of a ferrite bead, can be used to reduce the minimum attenuation of a PIN diode attenuation for broadband, high-frequency applications.
Tackle Wideband RF Switching With PIN Diodes
Both bulk and Epi PIN diodes can satisfy RF-switching applications with their fast response times, long lifetimes, high linearity, and the simplified cascading of switches.
Diode Quad Is Foundation For PIN Diode Attenuator
A low-cost surface-mount PIN diode quad was used as the basis for two versions of a wideband voltage-variable attenuator with outstanding linearity performance for CATV and other communications applications.
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