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| Surface Mount GaAs Tuning Varactors Features q q q q MA46 Series V3.00 Case Styles q q q Low Cost Surface Mount Packages Very High Quality Factor Constant Gamma Abrupt Junction: 0.5 Hyperabrupt Junctions: 0.75, 1.25 and 1.5 Capacitance Ratio to 10:1 Case Style 1056 is Hermetic and may be Screened to JANTX levels Tape and Reel Packaging Available 1056 Description M/A-COM offers four families of low cost surface mount gallium arsenide tuning varactors. All families have silicon nitride protected junctions for low leakage current and high reliability. The MA46H500 through MA46H504 family has hyperabrupt junctions with constant gamma of 1.5 from 2 to 12 volts and high quality factor. The MA46H200 through MA46H206 family has hyperabrupt junctions with constant gamma of 1.25 from 2 to 20 volts and higher quality factor. The MA46H070 through MA46H073 family has hyperabrupt junctions with constant gamma of 0.75 from 0 to 20 volts and very high quality factor. The MA46504 through MA46506 family has abrupt junctions with constant gamma of 0.5 from 0 to 30 volts and the highest quality factor. The MA46H200 through MA46H206 (gamma 1.25) family of constant gamma hyperabrupt GaAs tuning varactors has the largest capacitance ratio of the families of GaAs varactors and high quality factor. These diodes are very well suited for wide bandwidth VCOs and VTFs where the optimum combination of very wide tuning range and high quality factor is required. The MA46H070 through MA46H073 (gamma 0.75) family of constant gamma hyperabrupt GaAs tuning varactors has quality factor approaching that of abrupt junction varactors, but higher capacitance change versus tuning voltage. These diodes are very well suited for narrower bandwidth VCOs and VTFs where wide tuning range and very high quality factor are required. The MA46504 through MA46506 (gamma 0.5) family of constant gamma abrupt GaAs tuning varactors has the highest quality factor. These diodes are very well suited for narrower bandwidth VCOs and VTFs where highest quality factor is of paramount concern. Specifications Subject to Change Without Notice. 1088 Applications The MA46H500 through MA46H504 (gamma 1.5) family of constant gamma hyperabrupt GaAs tuning varactors is designed for wide bandwidth VCOs and voltage tuned filters where limited bias voltage is available. These varactors have greatest capacitance change versus voltage at the cost of slightly lower quality factor than the other families of GaAs varactors. M/A-COM, Inc. North America: Tel. (800) 366-2266 Fax (800) 618-8883 s 1 Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Surface Mount GaAs Tuning Varactors Absolute Maximum Ratings @ 25C Parameter Operating Temperature Storage Temperature Reverse Voltage Forward Current Power Dissipation Case 1056 -65C to +150C -65C to +200C Case 1088 -65C to +125C -65C to +125C MA46 Series V3.00 Breakdown Voltage 50 mA @ 25C 50 mW @ +25C, derate linearly to 0 mW at maximum operating temperature Typical Performance Curves Electrical Specifications @ 25C Gamma 0.5 Abrupt Tuning Varactors TOTAL CAPACITANCE (pF) Breakdown Voltage @ 10 A = 30 V minimum Reverse Current @ 24 V = 100 nA maximum Gamma = 0.48 - 0.50, VR = 0 to 30 V Total Capacitance (pF) f=1 MHz VR=4 Volts CAPACITANCE vs REVERSE VOLTAGE 100 Model Number Nominal Total Capacitance Ratio (CT0/CT30) f=1 MHz VR=0/VR=30 10 Typical Q f=50 MHz VR=4 Volts 1 MA46506 MA46505 MA46504 MA46504 MA46505 MA46506 0.5 - 0.7 0.9 - 1.1 2.7 - 3.3 2.1 2.8 3.4 6000 5700 4500 0.1 .1 1 10 100 REVERSE VOLTAGE (VOLTS) Electrical Specifications @ 25C Gamma 0.75 Hyperabrupt Tuning Varactors Breakdown Voltage @ 10 A = 20 V minimum Reverse Current @ 16 V = 100 nA maximum Gamma = 0.68 - 0.83, VR = 0 to 20 V Total Capacitance (pF) f = 1 MHz VR = 4 Volts MA46H070 MA46H071 MA46H072 MA46H073 0.5 - 0.7 0.9 - 1.1 2.7 - 3.3 4.5 - 5.5 Nominal Total Capacitance Ratio (CT0/CT20) f = 1 MHz VR = 0/VR=20 5.5 6.4 7.5 7.5 CAPACITANCE vs REVERSE VOLTAGE Model Number Typical Q f = 50 MHz VR = 4 Volts 4500 4500 3000 2200 Specifications Subject to Change Without Notice. 2 North America: Tel. (800) 366-2266 Fax (800) 618-8883 s M/A-COM, Inc. Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Surface Mount GaAs Tuning Varactors Electrical Specifications @ 25C Gamma 1.25 Hyperabrupt Tuning Varactors Breakdown Voltage @ 10 A = 22 V minimum Reverse Current @ 16 V = 100 nA maximum Gamma = 1.13 - 1.38, VR = 2 to 20 V Total Capacitance (pF) f = 1 MHz VR = 4 Volts MA46H200 MA46H201 MA46H202 MA46H203 MA46H204 MA46H205 MA46H206 0.5 - 0.7 0.9 - 1.1 2.7 - 3.3 4.5 - 5.5 9.0 - 11.0 10.8 - 13.2 13.5 - 16.5 Nominal Total Capacitance Ratio (CT2/CT20) f = 1 MHz VR = 2/VR=20 3.0 4.1 5.6 10.0 10.0 10.0 10.0 MA46 Series V3.00 Electrical Specifications @ 25C Gamma 1.5 Hyperabrupt Tuning Varactors Breakdown Voltage @ 10A = 18 V minimum Reverse Current @ 14 V = 100 nA maximum Gamma = 1.4 - 1.6, VR = 2 to 12 V Total Capacitance (pF) f = 1 MHz VR = 4 Volts MA46H500 MA46H501 MA46H502 MA46H503 MA46H504 0.5 - 0.7 0.9 - 1.1 2.7 - 3.3 4.5 - 5.5 9.0 - 11.0 Nominal Total Capacitance Ratio (CT2/CT12) f = 1 MHz VR = 2/VR = 12 2.8 3.9 5.0 8.1 8.1 Model Number Typical Q f=50 MHz VR = 4 Volts 3000 3000 2000 1500 1500 1500 1500 Model Number Typical Q f = 50 MHz VR = 4 Volts 2500 2500 1800 1200 1200 Typical Performance Curves Capacitance vs Reverse Voltage 6 500 100 TOTAL CAPACITANCE (pF) 6 503 10 MA46H504 1 MA46H503 MA46H502 MA46H501 MA46H500 0.1 0.1 1 10 100 REVERSE VOLTAGE (VOLTS) Temperature Coefficient of Capacitance vs Reverse Voltage Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: Tel. (800) 366-2266 Fax (800) 618-8883 s 3 Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 Surface Mount GaAs Tuning Varactors Ordering Information These GaAs tuning varactors are available in either case style as shown. When ordering, specify the desired case style by adding the case designation as a suffix to the model number. For example, a MA46H200-1088 specifies a 1.25 gamma hyperabrupt tuning diode in case style 1088. MA46 Series V3.00 Case Styles 1056 Top View A Bottom View 45 Typ INCHES DIM. A MIN. 0.065 0.034 0.030 0.013 0.010 0.043 MAX. 0.075 0.041 0.036 0.017 0.014 0.053 MILLIMETERS MIN. 1.72 0.86 0.76 0.33 0.25 1.09 MAX. 1.90 1.04 0.91 0.44 0.36 1.35 E A F B C D Dot Indicates Cathode Side View C E F Package Capacitance: 0.15 pF Typical Package Inductance: 0.45 nH Typical B D Not to Scale 1088 Top View G Dot Indicates Cathode H Typ. Side View DIM. A B C MIN. 0.175 0.040 0.085 0.015 0.010 0.015 0.004 0.020 0.013 0.003 INCHES MAX. 0.195 0.050 0.095 0.025 0.015 0.020 0.006 0.030 0.033 0.005 MILLIMETERS MIN. 4.44 1.02 2.16 0.38 0.25 0.38 0.10 0.51 0.33 0.08 MAX. 4.95 1.27 2.41 0.64 0.38 0.51 0.15 0.76 0.84 0.13 C A D E F G B D F E Typ. H J K Package Capacitance: 0.13 pF Typical Package Inductance: 0.50 nH Typical Specifications Subject to Change Without Notice. 4 North America: Tel. (800) 366-2266 Fax (800) 618-8883 s M/A-COM, Inc. Asia/Pacific: Tel. +81 3 3263 8761 Fax +81 3 3263 8769 s Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 |
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