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MA46580 Datasheet Preview

MA46580 Datasheet

Beam Lead Constant Gamma GaAs Tuning Varactor

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MA46580 & MA46585
Beam Lead Constant Gamma GaAs Tuning Varactor
Rev. V4
Features
Constant Gamma = 1.0 & 1.25 available
High Q (3000 minimum at 4V 50MHz)
Strong Beam Construction
(Minimum 10 gram beam strength)
Low Parasitic Capacitance
Close Capacitance tracking
Lead-Free (RoHs Compliant) equivalents
available with 260°C reflow compatibility
Description
The MA46580 & MA46585 series beam lead con-
stant gamma tuning varactors are hyper-abrupt junc-
tion gallium arsenide diodes with a constant gamma
of 1.0 or 1.25. The high Q values and the elimination
of package parasitics make these varactors very
attractive for voltage controlled oscillators that re-
quire linear tuning. These tuning diodes are useful at
frequencies as high as 40 Ghz.
The beam lead design eliminates almost all of the
package parasitics resulting in improved linearity of
the junction capacitance change with applied re-
verse bias voltage. This improves tracking between
diodes and can improve VCO linearity.
Electrical Specifications @ TA = +25 °C
Gamma = 1.02
Gamma4 = 0.9 - 1.1, VR = 2 - 12 Volts
Breakdown Voltage @ IR = 10µA, Vb = 18 V Min
Reverse Leakage Current @ VR =14V, IR = 50 nA Max
Case
Style
Part Number
Total
Capaci-
tance1
+/-20%
Vr=4V
MA46585-1209 1209
(pF)
0.5
Total
Capaci-
tance
Ratio
Q
Mini-
mum
Vr=2V Vr=4V
Vr=12V f=50MHz
--
3.2-5.2 3000
Absolute Maximum Ratings @ TA=+25 °C
(Unless Otherwise Noted) 1
Parameter
Reverse Voltage
Operating Temperature
Absolute Maximum
18V
-65°C to +150°C
Storage Temperature
-65°C to +200°C
Power Dissipation
25mW at 25 °C
Beam Strength
10 grams minimum
1. Operation of this device above any one of these parameters
may cause permanent damage.
Applications
These beam lead constant gamma tuning varac-
tors are particularly useful in broadband VCO’s,
where linear frequency tuning is an important
feature. They are also very useful for FM modu-
lating a source for telecommunication transmitter
and in many cases such circuits can be designed
without a linearization circuit.
Electrical Specifications @ TA = +25 °C
Gamma = 1.252
Gamma4 = 1.13-1.38, VR = 2 - 12 Volts
Breakdown Voltage @ IR = 10µA, Vb = 18 V Min
Reverse Leakage Current @ VR =14V, IR = 50 nA Max
Case
Style
Part Number
MA46580-1209 1209
Total
Capaci-
tance1
+/-20%
Vr=4V
(pF)
0.5
Total
Capaci-
tance
Ratio
Q
Mini-
mum
Vr=2V Vr=4V
Vr=12V f=50MHz
--
4.5-6.5 3000
Notes:
1. Capacitance is measured at 1 MHz.
2. All junctions are hyperabrupt with nominal Γ= 1.0 or 1.25
3. Reverse voltage (VB) is measured at 10 microamps.
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions North America Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.




MA-COM

MA46580 Datasheet Preview

MA46580 Datasheet

Beam Lead Constant Gamma GaAs Tuning Varactor

No Preview Available !

MA46580 & MA46585
Beam Lead Constant Gamma GaAs Tuning Varactor
Typical Performance Curves @ 25°C
Capacitance vs. Voltage
Capacitance vs. Voltage
Rev. V4
Capacitance Ratio CT2V/CTV
Capacitance Ratio CT2V/CTV
2
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions North America Tel: 800.366.2266 / Fax: 978.366.2266
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.


Part Number MA46580
Description Beam Lead Constant Gamma GaAs Tuning Varactor
Maker MA-COM
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