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Since the cell phone get smaller and smaller ,so sometimes the antenna is very close to the speaker and motor , strongly impact the antenna efficiency ,cause the TRP and TIS poor . So anybody has the comments to decrease the influence of the speaker and motor ? Best regards !
Hello guys :
Anybody has the idea for the condutive spurious for Gsm 900 band inside ?
We tested on the Chanel 62 ,found on the frequency 896.4 and 900.6, 904.2 was marginal . What do you think maybe impact this issue , Vco ,PA and tranceiver ouput matching to the PA ? Best...
best book on wimax
You can find this book "Fundamentals of WiMAX: Understanding Broadband Wireless Networking (Prentice Hall Communications Engineering and Emerging Technologies Series)
by Jeffrey G. Andrews, Arunabha Ghosh, Rias Muhamed, "
Dear Guys :
These days we find the ORFS due to modulation and switching is very poor for EDGE 8-psk ,but for the GMSK is very good . I have checked all the power supply both for the Tranceiver and PA ,no found something wrong . Could you please give me some suggestion ...
Hello guys :
These days ,we found the DVB-H has the modulatio scheme : QPSK ,16QAM ,OFDM . Why need these 3 modulation ? what is the relationship between the 16QAM and OFDM ? I am confusion .Best regards.