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| GaAs Hyperabrupt Junction Varactor Diodes Features GMV7811, GMV7821 GMV9801, GMV9821, GMV9822 Constant Gamma of 1.0 and 1.25 Highly Linear Frequency Tuning Constant Modulation Sensitivity Lower Series Resistance and Higher Q in Comparison to Equivalent Silicon Hyperabrupt Varactors Flip Chip Chip Outline Drawings Description This series of GaAs hyperabrupt varactor diodes features a constant gamma of 1.0 and 1.25, which allows for a relatively linear frequency tuning for VCOs, modulators and tunable filters. Varactors in this series are grown by MBE (Molecular Beam Epitaxy), which allows monolayer control of the doping profile.This translates to superb waferto-wafer uniformity. The series resistance is lower, and Q is higher when compared to an equivalent silicon hyperabrupt varactor. These diodes are suited for applications at X band frequencies and above, where wide change in frequency is desired. However, in certain applications the GaAs hyperabrupt varactor exhibits a higher surface noise in comparison to an equivalent silicon varactor. 540-011 0.026 (0.66 mm) 0.001 (0.025 mm) 0.013 (0.33 mm) 0.001 (0.025 mm) 0.008 (0.20 mm) 0.001 (0.025 mm) 0.013 (0.33 mm) 0.001 (0.025 mm) 0.005 (0.13 mm) 0.001 (0.025 mm) 0.004 (0.10 mm) 0.001 (0.025 mm) MAX. Absolute Maximum Ratings Characteristic Reverse Voltage (VR) Forward Current (IF) Power Dissipation at 25C Operating Temperature (TOP) Storage Temperature (TST) Value 18 V 100 mA 250 mW -55C to +150C -65C to +200C 150-808 METALLIZED GOLD DOT 0.0011 (0.0279 mm) MIN. DIA. 0.010 (0.25 mm) 0.001 (0.025 mm) 0.010 (0.25 mm) 0.001 (0.025 mm) METALLIZED BACK CONTACT GOLD 0.005 (0.13 mm) NOM. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 5/03A 1 GaAs Hyperabrupt Junction Varactor Diodes GMV7811, GMV7821, GMV9801, GMV9821, GMV9822 Electrical Characteristics GaAs Hyperabrupt Junction Varactor Chips Gamma = 1.0 VB @ 10 A (V) Min. GMV7811-000 18 IR @ 14.4 V (nA) Max. 100 2-12 Typical Voltage Range of Gamma (V) Junction Capacitance CJ @ 4 V (pF) Min. 0.4 Max. 0.6 CJ @ 2 V CJ @ 12 V (Ratio) Min. 3.63 Max. 4.43 Outline Drawing Number Part Number Q @ 4V 50 MHz Typ. 4000 150-808 Gamma = 1.25 VB @ 10 A (V) Min. GMV9801-000 18 IR @ 14.4 V (nA) Max. 100 2-12 Typical Voltage Range of Gamma (V) Junction Capacitance (pF) Min. 0.3 Max. 0.4 CJ @ 2 V CJ @ 12 V (Ratio) Min. 5.14 Max. 6.28 Outline Drawing Number Part Number Q @ 4V 50 MHz Typ. 4000 150-808 GaAs Hyperabrupt Junction Varactor Flip Chips Gamma = 1.0 VB @ 10 A (V) Min. GMV7821-000 18 IR @ 14.4 V (nA) Max. 100 Junction Capacitance CJ @ 4 V (pF) Min. 0.4 Max. 0.6 CJ @ 2 V CJ @ 12 V (Ratio) Min. 3.30 Max. 4.10 Outline Drawing Number Part Number Q @ 4V 50 MHz Typ. 4000 540-011 Gamma = 1.25 VB @ 10 A (V) Min. GMV9821-000 GMV9822-000 18 18 IR @ 14.4 V (nA) Max. 100 100 Junction Capacitance CJ @ 4 V (pF) Min. 0.3 0.4 Max. 0.4 0.6 CJ @ 2 V CJ @ 12 V (Ratio) Min. 4.30 4.53 Max. 5.27 5.55 Outline Drawing Number Part Number Q @ 4V 50 MHz Typ. 4000 3500 540-011 540-011 Available through distribution. 2 Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 5/03A GaAs Hyperabrupt Junction Varactor Diodes GMV7811, GMV7821, GMV9801, GMV9821, GMV9822 Typical Capacitance Values GMV7811 VR (V) 0 1 2 3 4 5 6 7 8 9 10 11 12 CJ (pF) 1.38 1.03 0.80 0.62 0.50 0.42 0.36 0.32 0.28 0.26 0.23 0.22 0.20 GMV9801 GMV7821 GMV9821 GMV9822 CJ (pF) 1.12 0.84 0.63 0.45 0.35 0.28 0.23 0.20 0.17 0.15 0.14 0.12 0.11 CJ (pF) 1.33 1.01 0.79 0.61 0.50 0.42 0.37 0.33 0.30 0.27 0.25 0.23 0.21 CJ (pF) 1.07 0.81 0.61 0.45 0.35 0.29 0.24 0.21 0.19 0.17 0.15 0.14 0.13 CJ (pF) 1.55 1.17 0.88 0.64 0.50 0.41 0.34 0.30 0.26 0.23 0.21 0.19 0.18 SPICE Model DIODEM Diode_Model IS = 1.00e-14 0.5e-12 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ = V J EG = 1.11 1.43 XTI = 3 2 KF =0 AF =1 FC = 0.5 BV = 0 IBV = 1e-3 ISR = 0 NR = 2 IKF = 0 NBV = 1 IBVL = 0 NBVL = 1 TBV1 = 0 TNOM = 27 FFE = 1 PORT P_anode port = 1 RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear CAP CP C = CP PORT P_Cathode port = 2 CV = CJ0 1+ VR VJ M + CP Part Number GMV7811 GMV9801 GMV7821 GMV9821 GMV9822 CJ0 (pF) 1.38 1.12 1.33 1.07 1.55 VJ (V) 5.20 5.50 5.20 5.50 5.50 M 2.10 2.30 2.00 2.40 2.40 CP (pF) 0.080 0.030 0.080 0.060 0.080 1. Values extracted from measured performance. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 5/03A 3 |
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