Adrf6650acpz-rl7 Converter ADI Original Stock
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Adrf6650 is a highly integrated down converter, which integrates dual mixer, dual digital switching attenuator, dual digital variable gain amplifier, phase locked loop (PLL) and voltage controlled oscillator (VCOs). In addition, the adrf6650 integrates two fast enable inputs for radio frequency (RF) balancing, serial gain control (SGC) and time division duplex (TDD) operation.
The on-chip RF balance enables the adrf6650 to support 50 Ω terminated RF input. The integrated passive mixer provides a highly linear down conversion for a 200 MHz, sliding, intermediate frequency (if) window. Adrf6650 uses a wideband square wave limited local oscillator (LO) amplifier to achieve RF bandwidth from 450 MHz to 2700 MHz. Unlike the traditional narrow-band sine wave Lo amplifier solution, this amplifier allows lo to be applied above or below the RF input in a very wide bandwidth.
Adrf6650 provides two alternatives for generating differential Lo input signals: internally through an on-chip fractional-N synthesizer with low phase noise VCOs, or externally through a low phase noise LO signal. The integrated pll/vco enables continuous Lo coverage from 450 MHz to 2900 MHz. The PLL reference input supports a wide frequency range and includes an integrated reference divider before the phase frequency detector (PFD).
Adrf6650 is manufactured using the advanced silicon germanium (SiGe) bipolar complementary metal oxide semiconductor (BiCMOS) process. It is available in a 56 lead, ROHS compatible, 8 mm × 8 mm, lead frame chip scale pack (lfcsp) pack with an exposed pad. Performance is specified at a maximum paddle temperature of − 40 ° C to+105 ° C.
Multimode cellular extenders and picocells
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