MA46603-120 - M/A-COM Technology Solutions, Inc.

GaAs High Q Abrupt Tuning Varactors

Rev. V6

MA46600 Series

• North America Tel: 800.366.2266 / Fax: 978.366.2266

• 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.macom.com for additional data sheets and product information.

MA-COM Technical Solutions and its affiliates reserve the right to make changes to the

product(s) or information contained herein without notice.

ADVANCED: Data Sheets contain information regarding a product MA-COM Technical Solutions 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 MA-COM Technical 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. Commit-

ment to produce in volume is not guaranteed.

Features

• Constant Gamma Abrupt Junction: 0.5

• Highest Q

• Large Capacitance Variation with Voltage

• Custom Tailored Designs Available on Request

• RoHS* Compliant

Description

The MA46600 series of microwave tuning varactors

is a family of abrupt junction gallium arsenide de-

vices featuring Q factors in excess of 8000. This

series is specifically designed for broadband high Q

tuning performance (up to 8000 at -4 volts and 50

MHz) from L through Ka band. Characteristics such

as high reliability, low leakage and close capaci-

tance tracking between diodes are typical of these

devices. Standard capacitance matching is ± 10%,

but closer matching is available upon request. All

diode types are available in a wide selection of ce-

ramic packages as well as in chip form.

Applications

The MA46600 series of tuning varactors can be

used for both broad and narrow band tuning

through Ka-band. Typical applications include solid

state tuning of VCOs using transistors or Gunns as

well as voltage tunable filters and amplifier circuits.

The GaAs abrupt junction tuning varactors offer the

highest Q of any tuning varactors and are utilized in

high frequency applications where Q is premium.

Absolute Maximum Ratings1 @ TA=+25°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.

Parameter Absolute Maximum

Operating Temperature -65°C to +175°C

Storage Temperature -65°C to +200°C

Reverse Voltage Breakdown Voltage

Power Dissipation

(derate linearly to zero at 200°C)

Cj < 1.0 pF max. @ 50 mW

Cj ≥ 1.0 pF min. @ 100 mW

Common Case styles

134 Chip

Specifications subject to change without notice.

* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.

GaAs High Q Abrupt Tuning Varactors

Rev. V6

MA46600 Series

• North America Tel: 800.366.2266 / Fax: 978.366.2266

• 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.macom.com for additional data sheets and product information.

MA-COM Technical Solutions and its affiliates reserve the right to make changes to the

product(s) or information contained herein without notice.

ADVANCED: Data Sheets contain information regarding a product MA-COM Technical Solutions 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 MA-COM Technical 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. Commit-

ment to produce in volume is not guaranteed.

Electrical Specifications @ TA = +25 °C

Gamma 0.5 Abrupt Tuning Varactors

Breakdown Voltage @ 10 μA = 30 V minimum

Reverse Current @ 24 V = 100 nA maximum

Gamma = 0.48 - 0.50, VR = 0 to 30 V

Part

Number

Break-

down

Voltage6

Total

Capaci-

tance1,2

+/-10%

Total

Capacitance

Ratio1,2,4

Minimum

Ir=10 µA Vr=4 V Vr=0 V

Vr=30 V Vr=4 V

f=50 MHz

(V) (pF) - -

MA46600 30 0.3 1.9 8000

MA46602 30 0.5 2.5 7000

MA46603 30 0.6 2.8 6500

1. Capacitance is measured at 1 MHz on a bridge which has

been balanced with shielded test holders connected in

place but open circuited.

2. All GaAs tuning varactors are available in any case style

shown in this bulletin as well as in chip form. When order-

ing, specify the desired case by adding the case designa-

tion as a suffix to the model number, i.e., MA46601-30. For

example, a MA46601-30 specifies a 30 volt tuning diode in

a case style 30 with a Ct@-4v between .36 and .44 pF and

a Q at -4 volts and 50 MHz ≥7500. The capacitance values

and capacitance ratios are for case style 30. Other case

styles or chips will have slightly different values.

3. All junctions are abrupt i.e., y = 0.50 ± .03.

4. Total capacitance ratios will vary with case choice due to

differences in case capacitance (Cp). Figure 1 shows the

ratio for the 30 case style.

5. Case parasitics (Cp and Ls) are given for most case styles.

6. Breakdown voltage (VB) is specified at -10 μA.

Environmental Ratings

Method Levels

Temperature, Storage 1031 See Maximum Ratings

Temperature, Cycling 1051 5 cycles, -65 to + 150 C

Shock 2016 500 g’s

Vibration 2056 15 g’s

Constant Acceleration 2006 20,000 g’s

Moisture Resistance 1021 10 days

Typical Performance Curves

Specifications subject to change without notice.