5076 datasheet(11/13 Pages) NPC

Part #	5076

Description	VCXO Module IC with Built-in Varicap

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	NPC [Nippon Precision Circuits Inc]

Direct Link	http://www.npc.co.jp/en

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11 / 13 page

5076 series

SEIKO NPC CORPORATION —11

Negative Resistance

Measurement circuit

Note. "C0" value is set, concerning the actual crystal characteristics connected between XT and XTN. The data is measured with Agilent 4396B using

NPC’s original measurement jig. The values may vary with measurement jig and conditions.

Phase Noise

Measurement circuit

VDD = 1.8V, C0 = 2pF, Ta = R.T.

Frequency [MHz]

−200

−400

−600

−800

VC = 0V

VC = 0.9V

VC = 1.8V

VDD

VSS

XTN

0.1

µF

C0 = 2pF

Network Analyzer

(Agilent 4396B)

S-Parameter Test Set

(Agilent 85046A)

VDD = 1.8V, fOUT = 27MHz, Ta = R.T.

Offset Frequency [Hz]

100

1,000

10,000

100,000 1,000,000 10,000,000

−60

−80

−100

−120

−140

−160

VC = 1.8V

VC = 0.9V

VC = 0V

CLOUT = 15pF

0.1

µF

VDD

VSS

XTN

Signal Source

Analyzer

(Agilent E5052A)

Crystal

0.01

µF

200

Ω

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