MA46410 thru MA46485 Series GaAs Hyperabrupt Varactor Diode Rev. V6 Gamma = 1.0, 1.25, & 1.50 Features Common Case styles 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 260C reflow compatibility. Description and Applications The MA46450, MA46470 and MA46410 series of tuning varactors are hyperabrupt junction Gallium ODS-134 Die ODS-30 Arsenide diodes featuring constant gamma 1.0 ( MA46450 series),1.25 (MA46470 series) or 1.5 (MA46410 series) . These diodes offer high Q (up 1 to 4000) permitting excellent tuning performance Absolute Maximum Ratings from VHF through Ka band. Each part in this se- T =+25 C ( Unl ess Otherwise Noted) A ries exhibits the large change in capacitance ver- sus bias voltage characteristic of hyperabrupt junc- Parameter Absolute Maximum tions. The standard capacitance tolerance is Reverse Voltage Breakdown Voltage 10%, with tighter tolerances available. Capaci- tance matching at one or more bias voltages is Operating Temperature -65C to +175C also available. All diode types are available in a Storage Temperature 65C to +200C wide selection of ceramic packages and in chip 1. Operation of this device above any one of these parameters form. The constant gamma value of 1.0, 1.25 or may cause permanent damage.The maximum storage and 1.5 available with these diodes enables the circuit operating temperature of the plastic ODS-1088 case style is designer to produce significant improvements in 125C. 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. 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology SolutionsNorth 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 Rev. V6 Gamma = 1.0, 1.25, & 1.50 Electrical Specifications T = +25 C Electrical Specifications T = +25 C A A 4 4 MA46470 thru MA46485 Series Gamma = 1.25 MA46450 Series Gamma = 1.0 4 4 Gamma = 1.13-1.38, VR = 2 - 20 Volts Gamma = 0.9 - 1.1, VR = 2 - 20 Volts Junction Capacitance Ratio (CJ2/CJ20) = 5.0 - 8.0 Junction Capacitance Ratio (CJ2/CJ20) = 8.15-12.99 Breakdown Voltage I = 10A, V = 22 V Min Breakdown Voltage I = 10A, V = 22 V Min R b R b Reverse Leakage Current V =18V, I = 100 nA Max Reverse Leakage Current V =18V, I = 100 nA Max R R R R Total Total Total Case Capaci- Q Total Capacitance 2 2,3,4,5 Case Capaci- Q Style tance Minimum 7 Capacitance 2 2,3,4,5 Ratio Style tance Minimum Part 7 +/-10% Ratio Part +/-10% Number Vr=2 V Vr=4 V Vr=4 V Number Vr=20 V f=50 MHz Vr=2 V Vr=4 V Vr=4 V ( pF) - - Vr=20 V f=50 MHz MA46450 30 0.5 2.0-3.8 4000 ( pF) - - MA46451 30 0.7 2.9-4.4 4000 MA46470 30 0.5 2.2/4.1 4000 MA46452 30 1.0 3.6-5.2 3000 MA46471 30 0.7 3.6/5.6 4000 MA46472 30 1.0 4.8/7.4 3000 MA46457 30 2.2 4.1-6.1 3000 MA46473 30 1.2 4.8/7.4 3000 MA46461 30 4.7 4.8-7.2 1500 MA46474 30 1.5 5.0/7.4 3000 MA46475 30 1.8 6.6/8.7 3000 Electrical Specifications T = +25C A MA46476 30 2.0 6.6/8.7 3000 4 MA46410 thru MA46425 Series Gamma = 1.5 MA46477 30 2.2 6.6/8.7 3000 4 Gamma = 1.4-1.6 VR = 2 - 12 Volts MA46479 30 3.3 6.4/10.0 2000 Junction Capacitance Ratio (CJ2/CJ12) = 6.2-10.8 Breakdown Voltage I = 10A, V = 18 V Min R b MA46480 30 3.7 6.8/11.0 2000 Reverse Leakage Current V =10V, I = 100 nA Max R R MA46481 30 5.1 6.9/11.1 1500 MA46483 30 6.8 7.2/11.5 1500 Total Total Case Q Capaci- Capacitance 2 MA46485 30 10.0 7.5/12.0 1500 Style Minimum 3,7,8 7 tance Ratio Part Number 1. All GaAs tuning varactors are available in chip form as well Vr=2 V Vr=4 V Vr=4 V as the case styles shown on the following page. When Vr=12 V f=50 MHz ordering, specify the desired case by adding the case des- ( pF) - - ignation as a suffix to the type number. 2. Case parasitics ( C p and Ls) are given for most case styles MA46410 30 0.45-0.60 2.7-4.3 3000 along with case outlines in the appendix. The Cp values listed typically have tolerances of 0.02 pF. MA46413 30 0.90-1.10 4.2-5.7 2500 3. The nominal tolerance at -4 Volts is 10%. Closer toler- ances are available upon request. By adding the suffix A to MA46416 30 1.62-1.98 5.2-4.9 2500 the part number, a tolerance of 5% at -4 Volts is guaran- MA46418 30 2.42-2.97 5.7-7.6 1800 teed. 4. The values guaranteed for gamma are measured on un- MA46420 30 3.33-4.22 6.0-8.1 1800 packaged chips. The total capacitance versus bias voltage curve will deviate slightly from the chip capacitance versus MA46425 30 9.00-11.00 6.6-8.8 1200 bias voltage curve due to the package parasitic capaci- tance ( C p). 5. Capacitance is measured at 1 MHz. 6. Reverse voltage (V B) is measured at 10 microamps. 7. 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 SolutionsNorth 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.