MA46410 thru MA46485 Series
GaAs Hyperabrupt Varactor Diode
Gamma = 1.0, 1.25, & 1.50
Features
Constant Gamma = 1.0, 1.25 or 1.5
High Q (up to 4000 at -4 Volts)
More Linear Frequency Tuning
High and Nearly Constant Modulation Sensitivity
Lead-Free (RoHs Compliant) equivalents avail-
able with 260°C reflow compatibility.
Rev. V6
Common Case styles
Description and Applications
The MA46450, MA46470 and MA46410 series of
tuning varactors are hyperabrupt junction Gallium
Arsenide diodes featuring constant gamma 1.0
(MA46450 series),1.25 (MA46470 series) or 1.5
(MA46410 series). These diodes offer high Q (up
to 4000) permitting excellent tuning performance
from VHF through Ka band. Each part in this se-
ries exhibits the large change in capacitance ver-
sus bias voltage characteristic of hyperabrupt junc-
tions. The standard capacitance tolerance is
±10%, with tighter tolerances available. Capaci-
tance matching at one or more bias voltages is
also available. All diode types are available in a
wide selection of ceramic packages and in chip
form. The constant gamma value of 1.0, 1.25 or
1.5 available with these diodes enables the circuit
designer to produce significant improvements in
circuit performance. Constant gamma tuning
varactors permit more linear VCO frequency tun-
ing than do conventional hyperabrupt tuning varac-
tors.These varactors are particularly well suited for
use in voltage tuned filters, analog phase shifters,
and modulator circuits.
ODS-30
ODS-134 Die
Absolute Maximum Ratings
1
@ T
A
=+25 °C (Unless Otherwise Noted)
Parameter
Reverse Voltage
Operating Temperature
Storage Temperature
Absolute Maximum
Breakdown Voltage
-65°C to +175°C
65°C to +200°C
1. Operation of this device above any one of these parameters
may cause permanent damage.The maximum storage and
operating temperature of the plastic ODS-1088 case style is
125°C.
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,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MA46410 thru MA46485 Series
GaAs Hyperabrupt Varactor Diode
Gamma = 1.0, 1.25, & 1.50
Electrical Specifications @ T
A
= +25 °C
MA46450 Series Gamma = 1.0
4
Gamma
4
= 0.9 - 1.1, VR = 2 - 20 Volts
Junction Capacitance Ratio (CJ2/CJ20) = 5.0 - 8.0
Breakdown Voltage @ I
R
= 10µA, V
b
= 22 V Min
Reverse Leakage Current @ V
R
=18V, I
R
= 100 nA Max
Total
Total
Case Capaci-
Q
Capacitance
Style
2
tance
2,3,4,5
Minimum
Ratio
7
Part
+/-10%
Number
Vr=2 V
Vr=4 V
Vr=4 V
Vr=20 V
f=50 MHz
(pF)
MA46450
MA46451
MA46452
MA46457
MA46461
30
30
30
30
30
0.5
0.7
1.0
2.2
4.7
Rev. V6
Electrical Specifications @ T
A
= +25 °C
MA46470 thru MA46485 Series Gamma = 1.25
4
Gamma
4
= 1.13-1.38, VR = 2 - 20 Volts
Junction Capacitance Ratio (CJ2/CJ20) = 8.15-12.99
Breakdown Voltage @ I
R
= 10µA, V
b
= 22 V Min
Reverse Leakage Current @ V
R
=18V, I
R
= 100 nA Max
Total
Total
Case Capaci-
Q
Capacitance
Style
2
tance
2,3,4,5
Minimum
Ratio
7
+/-10%
Vr=4 V
(pF)
MA46470
MA46471
MA46472
MA46473
MA46474
MA46475
MA46476
MA46477
MA46479
MA46480
MA46481
MA46483
MA46485
1.
30
30
30
30
30
30
30
30
30
30
30
30
30
0.5
0.7
1.0
1.2
1.5
1.8
2.0
2.2
3.3
3.7
5.1
6.8
10.0
Part
Number
-
2.0-3.8
2.9-4.4
3.6-5.2
4.1-6.1
4.8-7.2
-
4000
4000
3000
3000
1500
Vr=2 V
Vr=20 V
-
2.2/4.1
3.6/5.6
4.8/7.4
4.8/7.4
5.0/7.4
6.6/8.7
6.6/8.7
6.6/8.7
6.4/10.0
6.8/11.0
6.9/11.1
7.2/11.5
7.5/12.0
Vr=4 V
f=50 MHz
-
4000
4000
3000
3000
3000
3000
3000
3000
2000
2000
1500
1500
1500
Electrical Specifications @ T
A
= +25°C
MA46410 thru MA46425 Series Gamma = 1.5
4
Gamma
4
= 1.4-1.6 VR = 2 - 12 Volts
Junction Capacitance Ratio (CJ2/CJ12) = 6.2-10.8
Breakdown Voltage @ I
R
= 10µA, V
b
= 18 V Min
Reverse Leakage Current @ V
R
=10V, I
R
= 100 nA Max
Case
Style
2
Total
Total
Q
Capaci- Capacitance
Minimum
tance
3,7,8
Ratio
7
Vr=4 V
(pF)
MA46410
MA46413
MA46416
MA46418
MA46420
MA46425
30
30
30
30
30
30
0.45-0.60
0.90-1.10
1.62-1.98
2.42-2.97
3.33-4.22
9.00-11.00
Part
Number
Vr=2 V
Vr=12 V
-
2.7-4.3
4.2-5.7
5.2-4.9
5.7-7.6
6.0-8.1
6.6-8.8
Vr=4 V
f=50 MHz
-
3000
2500
2500
1800
1800
1200
2.
3.
4.
5.
6.
7.
All GaAs tuning varactors are available in chip form as well
as the case styles shown on the following page. When
ordering, specify the desired case by adding the case des-
ignation as a suffix to the type number.
Case parasitics (Cp and Ls) are given for most case styles
along with case outlines in the appendix. The Cp values
listed typically have tolerances of ±0.02 pF.
The nominal tolerance at -4 Volts is ± 10%. Closer toler-
ances are available upon request. By adding the suffix A to
the part number, a tolerance of ± 5% at -4 Volts is guaran-
teed.
The values guaranteed for gamma are measured on un-
packaged chips. The total capacitance versus bias voltage
curve will deviate slightly from the chip capacitance versus
bias voltage curve due to the package parasitic capaci-
tance (Cp).
Capacitance is measured at 1 MHz.
Reverse voltage (VB) is measured at 10 microamps.
The total capacitance and capacitance ratios shown are for
diodes housed in case style 30. Other case styles will re-
sult in different values.
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,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MA46410 thru MA46485 Series
GaAs Hyperabrupt Varactor Diode
Gamma = 1.0, 1.25, & 1.50
Typical Performance Curves
Rev. V6
3
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,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MA46410 thru MA46485 Series
GaAs Hyperabrupt Varactor Diode
Gamma = 1.0, 1.25, & 1.50
Typical Performance Curves
Rev. V6
4
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,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
MA46410 thru MA46485 Series
GaAs Hyperabrupt Varactor Diode
Gamma = 1.0, 1.25, & 1.50
Environmental Ratings PER MIL-STD-750
Method
Storage Temperature
Temperature Cycle
Shock
Vibration
1031
1051
2016
2056
Rev. V6
Level
See Max. Ratings
10 cycles, -65°C to +175°C
500 g’s
15 g’s
Case Styles (Dimensions are available upon request)
Typical Coaxial Packages
Typical Coplanar Packages
ODS-134 Die
5
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,
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
and/or prototype measurements. Commitment to develop is not guaranteed.
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Visit www.macomtech.com for additional data sheets and product information.
Solutions has under development. Performance is based on engineering tests. Specifications are
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.
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