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SMV1142 Dataheets PDF



Part Number SMV1142
Manufacturers Alpha Industries
Logo Alpha Industries
Description Hyperabrupt Junction Tuning Varactors
Datasheet SMV1142 DatasheetSMV1142 Datasheet (PDF)

Hyperabrupt Junction Tuning Varactors SMV1142–SMV1148 Features s Frequency Linear Design s Low Series Resistance s Available in the SOD-323 and SC-79 Packages s Designed for High Volume Commercial Applications s SPICE Models are Available Description The SMV1142–SMV1148 series of silicon hyperabrupt junction varactor diodes are specifically designed with an increasing gamma vs. voltage characteristic. This characteristic will result in improved VCO frequency-voltage linearity, in comparison to .

  SMV1142   SMV1142



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Hyperabrupt Junction Tuning Varactors SMV1142–SMV1148 Features s Frequency Linear Design s Low Series Resistance s Available in the SOD-323 and SC-79 Packages s Designed for High Volume Commercial Applications s SPICE Models are Available Description The SMV1142–SMV1148 series of silicon hyperabrupt junction varactor diodes are specifically designed with an increasing gamma vs. voltage characteristic. This characteristic will result in improved VCO frequency-voltage linearity, in comparison to a conventional hyperabrupt junction varactor. This family of varactors is characterized for capacitance and resistance over temperature. SPICE models are provided. Absolute Maximum Ratings Characteristic Reverse Voltage (VR) Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 12 V 20 mA 250 mW -55°C to +150°C -55°C to +125°C Single SC-79 Single SOD-323 o SMV1142-011 o SMV1143-011 o SMV1144-011 o SMV1145-079 o SMV1145-011 o SMV1146-011 o SMV1147-011 o SMV1148-011 LS = 0.7 nH LS = 1.5 nH o Available through distribution. For other packages or configurations, please contact the factory. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/01A 1 Hyperabrupt Junction Tuning Varactors SMV1142–SMV1148 Electrical Specifications at 25°C Part Number SMV1142 SMV1143 SMV1144 SMV1145 SMV1146 SMV1147 SMV1148 CT @ 1 V (pF) Min. 8.20 11.60 14.65 25.50 37.80 54.60 62.00 Max. 10.00 14.20 17.95 31.20 46.20 66.70 76.00 CT @ 3V (pF) Typ. 5.8 8.2 10.4 18.1 26.4 38.6 44.1 CT @ 6V (pF) Typ. 3.5 4.9 6.1 10.6 15.5 22.6 25.2 CT @ 1 V CT @ 3 V (Ratio) Min. 1.50 1.50 1.50 1.50 1.50 1.50 1.50 Max. 1.65 1.65 1.65 1.65 1.65 1.65 1.65 CT @ 1 V CT @ 6 V (Ratio) Min. 2.43 2.45 2.46 2.50 2.50 2.50 2.50 Max. 2.93 2.95 2.96 3.00 3.00 3.00 3.00 RS @ 3 V 500 MHz (Ω) Max. 0.70 0.65 0.65 0.60 0.60 0.55 0.50 Q @ 3V 50 MHz Typ. 800 600 500 300 200 150 150 Reverse Voltage VR (IR = 10 µA): 12 V Reverse Current IR (VR = 9.6 V): 20 nA Typical Performance Data 100.0 SMV1148 SMV1147 SMV1146 0.8 SMV1142 SMV1143 Capacitance (pF) RS (Ω) SMV1144 0.6 SMV1145 SMV1146 SMV1147 10.0 SMV1145 SMV1144 SMV1143 1.0 0 2.0 4.0 6.0 8.0 SMV1142 SMV1148 0.4 0 1 2 3 4 5 Reverse Voltage (V) Reverse Voltage (V) Capacitance vs. Reverse Voltage Series Resistance vs. Reverse Voltage @ 500 MHz 12 5 Percentage Change (%) Percentage Change (%) VR = 4 V 20 40 60 80 4 3 2 1 0 -1 -2 -3 -40 -20 0 VR = 1 V 10 8 6 4 2 0 -2 -4 -6 -8 -40 -20 0 20 40 60 80 Temperature (˚C) Temperature (˚C) Relative Capacitance Change vs. Temperature Relative Series Resistance Change vs. Temperature 2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/01A Hyperabrupt Junction Tuning Varactors SMV1142–SMV1148 Typical Capacitance Values SMV1142 VR (V) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 CT (pF) 13.38 10.70 9.10 7.98 7.12 6.42 5.83 5.32 4.86 4.45 4.09 3.75 3.46 3.21 3.00 2.84 2.72 2.63 2.56 2.50 2.45 2.41 2.36 2.35 2.32 SMV1143 CT (pF) 18.99 15.18 12.90 11.30 10.08 9.08 8.24 7.51 6.87 6.29 5.76 5.29 4.87 4.51 4.22 3.99 3.82 3.69 3.58 3.50 3.43 3.37 3.31 3.28 3.25 SMV1144 CT (pF) 24.01 19.18 16.30 14.28 12.73 11.46 10.40 9.48 8.66 7.93 7.26 6.66 6.13 5.68 5.31 5.02 4.80 4.63 4.50 4.40 4.31 4.24 4.15 4.15 4.08 SMV1145 CT (pF) 41.81 33.38 28.35 24.82 22.11 19.91 18.06 16.45 15.02 13.73 12.57 11.53 10.60 9.81 9.17 8.66 8.29 7.99 7.76 7.58 7.43 7.30 7.15 7.10 7.02 SMV1146 CT (pF) 61.13 48.97 41.43 36.26 32.30 29.08 26.37 24.01 21.92 20.04 18.34 16.81 15.45 14.30 13.36 12.62 12.07 11.63 11.30 11.03 10.81 10.62 10.40 10.33 10.21 SMV1147 CT (pF) 89.52 71.44 60.65 53.07 47.27 42.55 38.58 35.12 32.06 29.31 26.81 24.57 22.58 20.89 19.52 18.43 17.63 16.98 16.50 16.10 15.78 15.50 15.18 15.08 14.90 SMV1148 CT (pF) 104.71 83.27 70.48 61.48 54.56 48.92 44.13 39.97 36.29 32.99 30.03 27.43 25.22 23.43 22.06 21.01 20.22 19.61 19.12 18.72 18.38 18.11 17.87 17.65 17.43 SPICE Model PORT P_anode port = 1 IND LS L = LS DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ EG = 1.11 XTI = 3 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 Part Number SMV1142 SMV1143 SMV1144 SMV1145 SMV1146 SMV1147 SMV1148 CJO (pF) 13.38 18.99 24.01 41.80 61.13 89.52 104.70 VJ (V) 2.20 2.20 2.20 2.50 2.50 2.50 2.25 M 1.0 1.0 1.0 1.1 1.1 1.1 1.1 CP (pF) 0 0 0 0 0 0 0 RS (Ω) 0.70 0.65 0.65 0.60 0.60 0.55 0.50 RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear CAP CP C = CP 1. Values extracted from measured performance. 2. For package inductance (LS) refer to package type. 3. For more details refer to the “Varactor SPICE Models for RF VCO Applications” Application Note. PORT P_Cathode port.


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