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Conference Paper
Carrier Cancelling RF for Multi-Mode SDR Terminal Applicable to CDMA-Cellular, WCDMA, and WiBro
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- Authors
- Byoung Gun Choi, Byung Hun Min, Seong-Su Park, Ho Suk Kang, Seok-Bong Hyun
- Issue Date
- 2007-07
- Citation
- International Symposium on Signals, Systems, and Electronics (ISSSE) 2007, pp.243-246
- Language
- English
- Type
- Conference Paper
- Abstract
- The carrier cancelling radio frequency (CCRF) is an important sub-system in the future mobile SDR (software defined Radio) terminal which employing one-step frequency down conversion before analog to digital conversion. The CCRF offers analog IF signal up to 75 MHz to an ADC sampling with 150MS/s and converting analog IF to digital IF signal. In this paper, we propose a 0.13um CMOS wideband and reconfigurable low noise amplifier, a wideband active balun, a wideband mixer, and a programmable LO which are composing a CCRF for CDMA-Cellular, WCDMA, and WiBro applications. © 2007 IEEE.
- KSP Keywords
- Active baluns, Analog to Digital Conversion, Frequency down-conversion, Multi-mode, One-step, Radio Frequency(RF), Software Defined Radio(SDR), Step frequency, Sub-system, digital IF, low noise amplifier(LNA)