LTC6946 datasheet(9/30 Pages) LINER

부품명	LTC6946

상세설명	Ultralow Noise and Spurious 0.37GHz to 5.7GHz Integer-N Synthesizer with Integrated VCO

PDF	30 Pages

Scroll/Zoom	100%

제조업체	LINER [Linear Technology]

홈페이지	http://www.linear.com

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9 / 30 page

LTC6946

6946fa

LTC6946-3 Spurious Response

fRF = 900MHz, fREF = 10MHz,

fPFD = 1MHz, Loop BW = 40kHz

LTC6946-3 Spurious Response

fRF = 2200MHz, fREF = 10MHz,

fPFD = 0.4MHz, Loop BW = 28kHz

LTC6946-3 Spurious Response

fRF = 5700MHz, fREF = 100MHz,

fPFD = 1MHz, Loop BW = 33kHz

TYPICAL PERFORMANCE CHARACTERISTICS

TC = 25°C, VREF+ = VREFO+ = VD+ = VRF+ = 3.3V, VCP+ = VVCO+ = 5V, RFO[1:0] = 3,unless otherwise noted.

FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)

–10

–105dBc

–103dBc

–111dBc

–109dBc

–3

–140

–120

–100

–80

123

6946 G28

–2

–1

–60

–40

–20

RBW = 1Hz

VBW = 1Hz

NOTES 8, 13

FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)

–10

–93dBc

–94dBc

–86dBc

–88dBc

–1.2

–140

–120

–100

–80

0.4 0.8 1.2

6946 G29

–0.8 –0.4

–60

–40

–20

RBW = 1Hz

VBW = 1Hz

NOTES 8, 13

FREQUENCY OFFSET (MHz IN 10kHz SEGMENTS)

–100

–101dBc

–113dBc

–96dBc

–92dBc

–3

–140

–120

–100

–80

123

6946 G30

–2

–1

100

–60

–40

–20

RBW = 1Hz

VBW = 1Hz

NOTE 13

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