C1
C2
A1
A2
Top View
SUMMARY
V
BR
=25V; I
R
=20nA; C
d
=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 I
R
, enabling excellent Phase Noise
Performance ( I
R
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
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.
FSD270
ISSUE 1 - AUGUST 2002
1
SILICON DUAL VARIABLE CAPACITANCE DIODE
DEVICE REEL SIZE TAPE WIDTH QUANTITY PER REEL
FSD270TA 7⬘⬘ (180mm) 8mm embossed 3000 units
1
2
3
PIN CONFIGURATION
SOT23