آر اف (فرکانس رادیویی) و بی‌سیم سایر آی سی‌ و ماژول‌های آر اف

Product Attributes

Introduction

The AD6652 is a mixed-signal IF to baseband receiver consisting of dual 12-bit 65 MSPS ADCs and a wideband multimode digital downconverter (DDC). The AD6652 is designed to support communications applications where low cost, small size, and versatility are desired. The AD6652 is also suitable for other applications in imaging, medical ultrasound, instrumentation, and test equipment. The dual ADC core features a multistage differential pipelined architecture with integrated output error correction logic. Both ADCs feature wide bandwidth differential sample-and-hold analog input amplifiers supporting a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. A duty cycle stabilizer is provided to compensate for variations in the ADC clock duty cycle, allowing the convert

Features

• SNR = 90 dB in 150 kHz bandwidth (to Nyquist @ 61.44 MSPS)
• Worst harmonic = 83 dBc (to Nyquist @ 61.44 MSPS)
• Integrated dual-channel ADC: Sample rates up to 65 MSPS
• IF sampling frequencies to 200 MHz
• Internal ADC voltage reference
• Integrated ADC sample-and-hold inputs
• Flexible analog input range (1 V to 2 V p-p)
• Differential analog inputs
• ADC clock duty cycle stabilizer
• 85 dB channel isolation/crosstalk
• Integrated wideband digital downconverter (DDC): Crossbar switched DDC inputs
• Digital resampling for noninteger decimation
• Programmable decimating FIR filters
• Flexible control for multicarrier and phased array
• Dual AGC stages for output level control
• Dual 16-bit parallel or 8-bit link output ports
• User-configurable built-in self-test (BIST) capability
• Energy-saving power-down modes

Applications

• Communications
• Diversity radio systems
• Multimode digital receivers: GSM, EDGE, PHS, AMPS, UMTS, WCDMA, CDMA-ONE, IS95, IS136, CDMA2000, IMT-2000
• I/Q demodulation systems
• Smart antenna systems
• General-purpose software radios
• Broadband data applications
• Instrumentation and test equipment