DESIGN OF DUPLEXER USING MICROSTRIP FILTERS FOR LOW POWER GSM APPLICATIONS
| Author(s) | : | Madhu G, R K Manjunath, Dr. H V Kumaraswamy |
| Institution | : | Telecommunication Department, R.V College of Engineering, Bangalore, India |
| Published In | : | Vol. 2, Issue 4 — April 2015 |
| Page No. | : | 601-608 |
| Domain | : | Engineering |
| Type | : | Research Paper |
| ISSN (Online) | : | 2348-4470 |
| ISSN (Print) | : | 2348-6406 |
A duplexer for low power applications is designed using a combination of highpass and lowpass filters thatseparates the input signals into two output ports. It isolates the GSM receiver from the high power transmitter by preventingthe addition of unwanted noise on to the receiver noise floor. Duplexer allows both transmitter and receiver to be connectedto a common antenna there by avoiding requirement of two separate antennas (one for Transmitter and another for receiver).These duplexers can be used in modern cellular repeater amplifiers that rebroadcast cellular signals inside femto cells (thatis, in residential or small business environments). Microstrip technology is used to design the duplexers, which has theadvantage of providing flexibility and device miniaturization when compared with cavity-based designs while still deliveringgood performance.
Madhu G, R K Manjunath, Dr. H V Kumaraswamy, “DESIGN OF DUPLEXER USING MICROSTRIP FILTERS FOR LOW POWER GSM APPLICATIONS”, International Journal of Advance Engineering and Research Development (IJAERD), Vol. 2, Issue 4, pp. 601-608, April 2015.
