SMV1263-079

Hyperabrupt Junction Tuning Varactor SMV1263-079 Features s High Capacitance Ratio at Low Reverse Voltage s Ultra Small SC-79 Package s Designed for High Volume, Low Cost Battery Applications s Available in Tape and Reel Packaging Description The SMV1263-079 is a silicon hyperabrupt junction varactor diode specifically designed for 3 V platforms.The specified high capacitance ratio and low RS of this varactor make it attractive for low phase noise VCOs in wireless systems up to and beyond 2.5 GHz. Applications include low noise and wideband UHF and VHF VCO for GSM, PCS, CDMA and analog phones. Absolute Maximum Ratings Characteristic Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 20 mA 250 mW -55°C to +150°C -55°C to +125°C Electrical Specifications at 25°C Parameter Reverse Current (IR) Capacitance (CT) Capacitance (CT) Capacitance Ratio (CTR) Series Resistance (RS) Breakdown Voltage (VBR) VR = 15 V CT @ 0.5 V, VR = 0.5 V, F = 1 MHz CT @ 2.5 V, VR = 2.5 V, F = 1 MHz CT (0.5 V)/CT (2.5 V) VR = 1 V, F = 900 MHz IR = 10 µA 20.0 6.2 2.3 2.3 6.7 2.6 2.5 1.2 Ω V Condition Min. Typ. Max. 20.0 7.2 2.9 Unit nA pF pF Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 1/01A 1 Hyperabrupt Junction Tuning Varactor SMV1263-079 Typical Performance Data 9.00 Capacitance vs. Voltage VR (V) 0.00 0.25 CT (pF) 8.87 7.68 6.68 5.83 5.11 4.50 3.99 3.54 3.17 2.84 2.57 2.33 2.12 1.94 1.79 1.65 1.54 1.44 1.35 1.27 1.20 Capacitance (pF) 6.00 0.50 0.75 1.00 3.00 1.25 1.50 1.75 0 0 1 2 3 4 5 2.00 2.25 2.50 2.75 3.00 Varactor Voltage (V) Capacitance vs. Voltage 5 3.25 3.50 VVAR = 1 V VVAR = 2.5 V 3.75 4.00 4.25 VVAR = 4 V 4.50 4.75 5.00 Percentage of Variation (%) 4 3 2 1 0 -1 -2 -3 -4 -40 -20 0 20 40 60 80 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 Temperature (˚C) Relative Capacitance Change vs. Temperature SC-79 CATHODE 0.006 (0.15 mm) MIN. INDICATOR 0.010 (0.25 mm) MIN. 0.014 (0.35 mm) MAX. 1 2 RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear 0.028 (0.70 mm) MIN. 0.035 (0.90 mm) MAX. CAP CP C = CP 0.060 (1.50 mm) MIN. 0.067 (1.70 mm) MAX. 0.043 (1.10 mm) MIN. 0.051 (1.30 mm) MAX. 0.020 (0.50 mm) MIN. 0.028 (0.70 mm) MAX. 10˚ MAX. PORT P_Cathode port = 2 10˚ MAX. 0.003 (0.07 mm) MIN. 0.008 (0.20 mm) MAX. Part Number SMV1263-079 CJ0 (pF) 8.2 VJ (V) 15 M 9.5 CP (pF) 0.67 RS (Ω) 1.2 LS (nH) 1.7 2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 1/01A