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Tyco - Low - Voltage / Wide Band Si Hyperabrupt Varactors

Numéro de référence MA4ST330
Description Low - Voltage / Wide Band Si Hyperabrupt Varactors
Fabricant Tyco 
Logo Tyco 





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MA4ST330 fiche technique
Low - Voltage / Wide Band Si Hyperabrupt Varactors
MA4ST300
MA4ST300 Series
Low - Voltage / Wide Band
Si Hyperabrupt Varactors
Features
Surface Mount Packages
(SOT-23, SOT-323, SOD-323)
High Capacitance Ratio at Low Voltages
High Q at Low Voltages
SPC Process for Superior C-V Repeatability
Available as Single and Common Cathode Pairs
Tape and Reel Packaging
Designed for Commercial Wireless Applications
Description
The MA4ST300 series are ion-implanted, hyperabrupt junction,
silicon tuning varactors in SOT-23, SOT-323, and SOD-323
surface mount packages. This series of varactors is designed for
high capacitance ratio and low voltage operation. Each varactor
type has a better than 3:1 capacitance ratio between 0.5V and
3.0V.
Applications
The MA4ST300 series tuning varactors are useful for wide band
tuning and low phase noise applications where the supply voltage
is limited to 5 volts or less. These varactors have been specifi-
cally designed to cover wireless application bands up to the 2.4
GHz WLAN band. Applications include VCOs and voltage tuned
filters.
320 330
340 350
107
-&7
$FWLYH3DJHUV
&7
605
3'&
*60
,6
107
7$&6
$036
3&6
*36
:/$1
'&6
3+3
'(&7
0.25 0.5 0.75 1.0
2.0
FREQUENCY (GHz)
3.0
Fig. 1 Typical Device Selection by Frequency
Configurations
TOP VIEW (SOT-23, SOT-323)
Single
Pair
TOP VIEW (SOD-323)
Spice Model
Cp
Package
Parasitics
Intrinsic Diode
Model:
N = 1.1
Rs
CJ0=(see table below)
VJ = (see table below)
FC = 0.5
BV = 12.0 V
M = (see table below)
Cj
Parasitics:
Ls
Cp= 0.15 pF
Ls= 1.4 nH
Part No.
MA4ST320
MA4ST330
MA4ST340
MA4ST350
CJ0 (pF)
77.4
33.9
25.3
15.7
VJ (V)
11.71
8.91
14.25
14.55
M
6.51
5.15
7.41
7.26
M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
V4.00

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