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| RoHs Compliant Beam Lead Constant Gamma GaAs Tuning Varactor 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 260C reflow compatibility. MA46580 & MA46585 V3 Absolute Maximum Ratings @ TA=+25 C (Unless Otherwise Noted) Parameter Reverse Voltage Operating Temperature Storage Temperature Power Dissipation 1 Absolute Maximum 18V -65C to +150C -65C to +200C 25mW at 25 C 10 grams minimum Description The MA46580,MA46585 and MA46H130 series of beam lead constant gamma tuning varactors are hyperabrupt junction 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 require 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 reverse bias voltage. This improves tracking between diodes and can improve VCO linearity. Beam Strength 1. Operation of this device above any one of these parameters may cause permanent damage. Applications These beam lead constant gamma tuning varactors are particularly useful in broadband VCO's, where linear frequency tuning is an important feature. They are also very useful for FM modulating a source for telecommunication transmitter and in many cases such circuits can be designed without a linearization circuit. Electrical Specifications @ TA = +25 C Gamma = 1.02 Gamma4 = 0.9 - 1.1, VR = 2 - 12 Volts Breakdown Voltage @ IR = 10A, Vb = 18 V Min Reverse Leakage Current @ VR =14V, IR = 50 nA Max Total Capacitance1 +/-20% Vr=4V (pF) MA46585-1209 Notes: 1. Capacitance is measured at 1 MHz. 2. All junctions are hyperabrupt with nominal = 1.0 or 1.25 3. Reverse voltage (VB) is measured at 10 microamps. Electrical Specifications @ TA = +25 C Gamma = 1.252 Gamma4 = 1.13-1.38, VR = 2 - 12 Volts Breakdown Voltage @ IR = 10A, Vb = 18 V Min Reverse Leakage Current @ VR =14V, IR = 50 nA Max Total Capacitance1 +/-20% Vr=4V (pF) MA46580-1209 1209 0.5 Total Capacitance Ratio Vr=2V Vr=12V 4.5-6.5 Case Style Part Number Total Capacitance Ratio Vr=2V Vr=12V 3.2-5.2 Q Minimum Vr=4V f=50MHz 3000 Part Number Case Style Q Minimum Vr=4V f=50MHz 3000 1209 0.5 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * 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. RoHs Compliant Beam Lead Constant Gamma GaAs Tuning Varactor Typical Performance Curves CAPACITANCE vs. VOLTAGE GAMMA =1.25 +/-10% FROM 2-12V0lts CAPACITANCE vs. VOLTAGE GAMMA =1.00 +/-10% FROM 2-12V0lts MA46580 & MA46585 V3 CAPACITANCE RATIO CT2V/CTV CAPACITANCE RATIO CT2V/CTV 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * 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. RoHs Compliant Beam Lead Constant Gamma GaAs Tuning Varactor Environmental Ratings PER MIL-STD-750 Method Storage Temperature Temperature Cycle Shock Vibration Constant Acceleration Humidity Constant Acceleration Humidity 1031 1051 2016 2056 2006 1021 2006 1021 MA46580 & MA46585 V3 Level See maximum ratings 10 cycles, -65C to +175C 500 g's 15 g's 20,000 g's 10 days 20,000 g's 10 days Case Styles ODS-1209 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * 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. |
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