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HMC838LP6CEFractional-N PLL with Integrated VCO SMT, 795 - 945, 1590 - 1890, 3180 - 3780 MHz |
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Product Details
Data Sheet |
Quality & Reliability |
Press & Media |
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Product Support |
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Freq. (MHz) |
Function |
Closed Loop SSB PN @ 10kHz Offset |
Open Loop VCO PN @ 1MHz Offset |
Pout (dBm) |
RMS Jitter Frac. Mode (fs) |
Int. PN Frac. Mode (deg rms) |
Package |
fo/2 |
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| 795 - 945 | Tri-Band RF VCO | -123 dBc/Hz | -148 dBc/Hz | 10 | 180 | 0.06 | LP6C |
fo |
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| 1590 - 1890 | Tri-Band RF VCO | -118 dBc/Hz | -143 dBc/Hz | 7.5 | 180 | 0.12 | LP6C |
2fo |
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| 3180 - 3780 | Tri-Band RF VCO | -112 dBc/Hz | -135 dBc/Hz | -4 | 180 | 0.24 | LP6C |
Features• RF Bandwidth: 795 - 945, |
Typical Applications• Cellular/4G Infrastructure
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Functional Diagram |
General DescriptionThe HMC838LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an Integrated Voltage Controlled Oscillator (VCO). The synthesizer consists of an integrated low noise VCO with a triband output, an autocalibration subsystem for low voltage VCO tuning, a very low noise digital Phase Detector (PD), a precision controlled charge pump, a low noise reference path divider and a fractional divider. The fractional synthesizer features an advanced delta-sigma modulator design that allows both ultra-fine step sizes and low spurious products. The phase detector (PD) features cycle slip prevention (CSP) technology to allow faster frequency hopping times. Ultra low in-close phase noise and low spurious also allows wider loop bandwidths for faster frequency hopping and low micro-phonics. For theory of operation and register map refer to the "PLLs with Integrated VCO - RF VCOs" Operating Guide. |
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