MAX2623
单片压控振荡器
完备的单芯片900MHz SiGe VCO和缓冲器，采用8引脚µMAX封装，可替代模块设计
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Maxim Confidential
MyMaxim 订阅说明
The MAX2622/MAX2623/MAX2624 self-contained voltage-controlled oscillators (VCOs) combine an integrated oscillator and output buffer in a miniature 8-pin µMAX® package.The inductor and varactor elements of the tank circuits are integrated on-chip, greatly simplifying application of the part. In addition, the center frequency of oscillation and frequency span are factory preset to provide a guaranteed frequency range versus control voltage. An external tuning voltage controls the oscillation frequency. The output signals are buffered by an amplifier stage (easily matched to 50Ω), using only capacitors to provide higher output power and isolate the devices from load impedance variations.
The MAX2622/MAX2623/MAX2624 operate from a +2.7V to +3.3V supply voltage and require only 9mA of supply current. In shutdown mode, the supply current is reduced to 0.1µA.
关键特性
- Fully Monolithic
- Guaranteed Performance
- On-Chip 50Ω Output Match
- Wide Choice of Frequencies
- 855MHz to 881MHz (MAX2622)
- 885MHz to 950MHz (MAX2623)
- 947MHz to 998MHz (MAX2624)
- +2.7V to +3.3V Single-Supply Operation
- Low-Current Shutdown Mode
- Smaller than Modules (8-pin µMAX package)
应用
- 866MHz至868MHz欧洲ISM波段(MAX2622)
- 902MHz至928MHz ISM波段，±10.7MHz中频(MAX2623)
- 902MHz至928MHz ISM波段，45MHz至70MHz中频(MAX2624)
- DECT 1/2频率LO (MAX2623)
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