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HMC836LP6CE Datasheet(PDF) 2 Page - Hittite Microwave Corporation |
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HMC836LP6CE Datasheet(HTML) 2 Page - Hittite Microwave Corporation |
2 / 10 page For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com 7 7 - 2 General Description The HMC836LP6CE 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 x2 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 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 w/ Integrated VCOs - RF VCOs Operating Guide”. To view the Operating Guide, please visit www.hittite.com and choose HMC836LP6CE from the “Search by Part Number” pull down menu. HMC836LP6CE v06.1010 FRACTIONAL-N SYNTHESIZER WITH INTEGRATED VCO, 3365 - 3705 MHz Parameter Condition Min. Typ. Max. Units RF Output Characteristics VCO Frequency 1682.5 1852.5 MHz RF Output Frequency at fVCO x2 3365 3705 MHz RF Output Power at fVCO x2 -1 6 9 dBm VCO Tuning Sensitivity Measured at 2 GHz, 2V 15 MHz/V VCO Supply Pushing Measured at 2 GHz, 2V -2 1.5 MHz/V RF Output 2nd Harmonic -25 dBc RF Output 3rd Harmonic -23 dBc RF Output 4th Harmonic -31 dBc RF Divider Characteristics 19-Bit N-Divider Range (Integer) Max = 219 - 1 16 524,287 19-Bit N-Divider Range (Fractional) Fractional nominal divide ratio varies (-3 / +4) dynamically max 20 524,283 REF Input Characteristics Ref Input Frequency Synthesizer phase noise can degrade by about 5dB when oper- ating with a reference frequency near the low end of this range. 10 50 200 MHz Ref Input Range AC Coupled 1.5 2 3.3 Vpp Ref Input Capacitance 5 pF 14-Bit R-Divider Range 1 16,383 Phase Detector (PD) PD Frequency Fractional Feedback Mode [1] 0.1 100 MHz PD Frequency Fractional Feedforward Mode (and Register 6 [17:16] = 10) [1] 0.1 80 MHz PD Frequency Integer Mode [1] 0.1 125 MHz Electrical Specifications, T A = +25° C VPPCP, VDDCP, VCC1, VCC2 = 5V ±4%; RVDD, AVDD, DVDD3V, VCCPD, VCCHF, VCCPS = 3.3V ±6% GNDCP = GNDLS = Ground Paddle = 0V Note 1: This maximum phase detector frequency can only be achieved if the minimum N value is respected. eg. In the case of fractional feedback mode, the maximum PFD rate = fvco/20 or 100MHz, whichever is less. |
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