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| FSD270 Datasheet, PDF (1/5 Pages) Zetex Semiconductors – SILICON DUAL VARIABLE CAPACITANCE DIODE | |||
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SILICON DUAL VARIABLE CAPACITANCE DIODE
FSD270
SUMMARY
VBR=25V; IR=20nA; Cd=33pF(Nom)
DESCRIPTION
The FSD270 is a new hyperabrupt SOT23 packaged dual common cathode varactor
diode , offering users both compact circuit design and impressive performance
comprising tightly controlled CV characteristics, a capacitance of typically 33 pf @
2V,excellent phase noise performance and high Q of 200 min.
This superior performance in the VHF and UHF ranges has been optimised to meet
the high filtering requirements of a wide range of Digital Audio Broadcasting (DAB)
module circuits , mobile radios, pagers, voltage controlled crystal oscillators
(VCXO) and temperature controlled crystal oscillators (TCXO).
FEATURES
⢠Common Cathode dual Diode ( monolithic construction )
⢠VHF- UHF operation
⢠Close tolerance CV characteristics
⢠High Tuning Ratio
⢠Low IR , enabling excellent Phase Noise
Performance ( IR typically < 200pA @ 20V )
⢠High Q
APPLICATIONS
⢠DAB Receiver Modules for use with:
-Low voltage battery portables
-Hi-Fi
-In car radio
-MP3 players
⢠Voltage and Temperature Controlled Crystal Oscillators
⢠Mobile Radio and Pagers.
ORDERING INFORMATION
DEVICE
FSD270TA
REEL SIZE
7ÐÐ (180mm)
TAPE WIDTH
8mm embossed
QUANTITY PER REEL
3000 units
SOT23
PIN CONFIGURATION
1
2
3
A1
C1
C2
A2
Top View
The FSD270 is capacitance selected into 3 bands. A reel will only contain one band - A,B or C. Shipments of more
than 1 reel may contain reels from different bands.
ISSUE 1 - AUGUST 2002
1
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