low-frequency PIN diode
A Frequency Reconfigurable U-Shaped Antenna for Dual-Band WiMAX /WLAN Systems
... a PIN diode switch is introduced across the slot between the two U-shaped ...the PIN diode, the antenna resonates at two modes of single and dual bands (WiMAX ...and low profile nature ...
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A Reconfigurable Microstrip Patch Antenna for Various Wireless and Cognitive Radio Applications
... wide frequency range. So in order to be able to transmit at any frequency a frequency reconfigurable antenna is required for a cognitive radio ...the frequency of operation a cognitive radio ...
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Aperture-Coupled Frequency-Reconfigurable Stacked Patch Microstrip Antenna (Frspma) Integrated with PIN Diode Switch
... This Frequency-Reconfigurable Stacked Patch Microstrip Antenna (FRSPMA) can be realised by changing its physical structure or size dynamically without changing the whole antenna ...as PIN diodes [2], ...
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Frequency Reconfigurable Pixel Antenna with PIN Diodes
... speed, low operating voltage and edge of integration are the factors which make PIN diode more suitable than other RF switches like FETs and MEMS ...of frequency reconfiguration with stable ...
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A Study On Isolation Performance Of Pin Diode With Defected Ground Structure (DGS) For RF Switch
... the diode offers very low impedance in this state. Thus a PIN diode works as a switching device, open circuited in the reverse-biased state and short circuited in the forward-biased ...a ...
24
Low-Insertion Loss PIN Diode Switches Using Impedance-Transformation Networks
... have low insertion loss with impedance- transformation networks are ...a low insertion loss of ...the diode package inductance is no longer ...
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Adaptive beam steering of RLSA antenna with RFID technology
... operating frequency and transmitting power between the RFID tag and reconfigurable beam steering antenna contributed to the different signal strength and path loss at the same measurement ...within ...
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COMBAT ROBOT WITH GUN AND CAMERA
... The receiver constituted by RF receiver module RLP434A at 418MHz, the microcontroller AT90S2313 [10] and the two relays which can handle any electric (or electronic) device up to 10 Amps (the contacts of my relays are ...
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Beam Focusing Compact Wideband Antenna Loaded with MU-Negative Metamaterial for Wireless LAN Application
... The antenna radiation performance due to different switching stages and corresponding fringing field is modified. For analysing the electric field behaviour due to SRR switching, 4 different combinations of the switching ...
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A Novel Single PIN Diode Reconfigurable Impedance Matching Network with a Simplified Solution Method
... By simplifying the equivalent circuit of the PIN diode and matching equation, each electrical length of microstrip lines in RIMN can be directly calculated. The above simplification brings convenience to ...
9
Design of SPDT switch with transmission line stub resonator for WiMAX and LTE in 3 5 GHz band
... Conventional single shunt SPDT switches was designed (as shown in Figure-4(a)) for isolation performance comparison to the proposed SPDT switch with transmission line stub resonator. A quarter wavelength of transmission ...
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Study of Different Reconfiguration Techniques in patch antenna for Cognitive Radio Application
... To obtain minimal loss and maximum phase swing the reflectarray RF-MEMS reconfigurable antenna is used. Use of reflectarray coupled with MEMS switches; provide low power consumption, high linearity, low ...
7
Optimal Electric Wave Propagation Parameters on a Transmission Line --- Schottky Diode System
... versus frequency, power and place of injection of a continuous sine high frequency aggression ...GHz frequency band and the system is thus ...
8
A Review Paper on Design of Distribute d RF MEMS Phase shifter for Aerospace Communication
... 2) Polymer based MEMS phase shifters:The MEMS phase shifters have low loss performance because of the bridge structure,which effectively prevents leakage current. However, in spite of these advantages, ...
5
THE INCI DENC E OF PROS TATIC INTRAEPI THELIAL NEOPLASIA IN PROSTATIC HYPERPLASIA AND PROS TATIC C ARCINOMA
... the PIN grading system on one-hundred cases of prostatic carcinoma and one-hundred cases of benign prostatic hyperplasia, then compared the ...high-grade PIN including grade II (46%) and grade III ...only ...
6
Design of DSP Base Controlled Power Supply on Synchronous Rectifier
... In this section, simulation results of the proposed approach are discussed. Fig 3 shows High frequency output voltage V pri of the phase-shifted full-Bridge inverter and input voltage V sec of Synchronous ...
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Switching Circuit Design For Linear Bi-Statics Ultra Wideband (UWB) Antenna In Microwave Bone Imaging Application
... suitable diode topology and then design a Single Pole Four Throw (SP4T) switching circuit using the selected diode ...have low insertion loss, high isolation and operates at large frequency ...
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A simple device for the measurement of kerma based on commercial PIN photo diodes
... the diode bulk ...the PIN diode for a given constant current with changing time pulse width during irradiation is keeping the same value of dissipation of ...
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Reconfigurable Compact Dual Mode Resonators UWB-BPF Using DGS and RF PIN Diodes
... The above bandpass filters, has one transmission zero, low sharpness factors and its bandwidth is limited to 14.5%, which is only suitable for narrow-band applications. To overcome this limitation, a defected ...
5
Frequency and voltage dependent electrical responses of poly(triarylamine) thin film-based organic Schottky diode
... angular frequency, f is the frequency and C is the ...of frequency (G- f) with various bias voltages ...the low frequency. As the frequency was increased, the conductance of the ...
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