Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Thanks a lot WimRFP,
Good thing to know the test doesn't measure the GSM performance or coverage.
Speaking of the performance of the antenna, I will be using the system only to periodically upload data to a remote server via GPRS using FTP. So how about I shift the band to the uplink channels...
Hi guys,
I designed a printed IFA antenna on FR4 PCB for GSM900 and DCS1800 bands. The return loss at the 900MHz band (880-960) is below -5dB, but for the 1800MHz (it's -3.8dB at 1710MHz and -2.1dB at 1880MHz). The impedance mach is very good, the average gain is well above 0dB for both bands...
Hi guys,
I was designing IFA for dual band operation using SIM900A, I have 100x15mm PCB space to lay the antenna. I got the S11 and VSWR very good in HFSS, but the bandwidth is small (it doesn't cover all the frequencies especially at the higher band (1710 - 1880MHZ) the S11 at these band edges...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
