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參數(shù)資料
| 型號(hào)： | MA4ST522D-132 |
| 元件分類： | 變?nèi)荻O管 |
| 英文描述： | VHF-UHF BAND, 50 pF, SILICON, HYPERABRUPT VARIABLE CAPACITANCE DIODE |
| 封裝： | DIE-1 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 278K |
| 代理商： | MA4ST522D-132 |
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
s
Asia/Pacific: Tel. +81 (03) 3226-1671
s
Europe: Tel.
+44 (1344) 869 595
Fax (800) 618-8883
Fax +81 (03) 3226-1451
Fax +44 (1344) 300 020
1
Specifications Subject to Change Without Notice.
V3.00
UHF, VHF Hyperabrupt
Tuning Varactors
MA4ST520, MA4ST530 Series
Features
q
A Superior Ion Implantation Process Results in More
Repeatable C-V Characteristics Within Specified
Capacitance Tolerances
q
High Q
q
Usable Capacitance Change Ratios as High as 8:1.
(MA4ST520 Series)
Description
M/A-COM’s silicon hyperabrupt tuning varactors combine
advantages of a repeatable ion-implant process with
excellent passivation and low series resistance. The result-
ing diodes exhibit a C-V characteristic that is consistent
from lot to lot and stable within close tolerances, over
time and temperature.
Applications
The MA4ST520 series was developed for VCO tuning in
the VHF through UHF ranges. Applications are high
volume fixed tuned and frequency hopping military radios
where low cost and lot-to-lot C-V repeatability are critical.
The MA4ST530 family has a faster change of capacitance
with voltage.
Ordering Information
When ordering diodes, use the appropriate M/A-COM
model number and add case style suffix where appropri-
ate. (For example, MA4ST520B is an 18-22 pF (@ 4V)
varactor in the standard glass package (case style 4). The
MA4ST520B-132 is the unpackaged chip version.
Case Style (See appendix for complete dimensions)
Absolute Maximum Ratings at 25°C
Parameter
Absolute Maximum
Temperature Range
Operating
-65°C to +125°C
Storage
-65°C to +150°C
Power Dissipation (Max.)
(derate linearly to zero at 150°C)
250 mW (Case Style 4)
Max. Reverse Voltage
Same as V
B
Forward Current
50 mAdc
Max. Leakage Current
@ 80% V
B = 100 nA max. @ +25°C
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