 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| Hyperabrupt Junction Tuning Varactor SMV1270-079 Features s High Capacitance Ratio s Ultra Small Size SC-79 Package s Designed for High Volume, Low Cost Battery Applications s Available in Tape and Reel Packaging Description The SMV1270-079 is a silicon hyperabrupt junction varactor diode specifically designed for battery operation.The specified high capacitance ratio and low RS of this varactor make it appropriate for low noise VCOs used at frequencies in wireless systems to 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 -55C to +150C -55C to +125C Electrical Specifications at 25C Parameter Reverse Current (IR) Capacitance (CT) Capacitance (CT) Capacitance Ratio (CTR) Series Resistance (RS) Breakdown Voltage (VBR) VR = 20 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 = 470 MHz IR = 10 A 20.0 22.1 7.7 2.3 23.6 8.6 2.7 0.7 V Condition Min. Typ. Max. 20.0 25.1 9.8 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. 6/99A 1 Hyperabrupt Junction Tuning Varactor SMV1270-079 Typical Performance Data 25 20 15 10 5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Capacitance vs. Voltage VR (V) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 CT (pF) 23.64 17.81 13.69 10.74 8.60 7.03 5.87 5.00 4.35 3.85 Capacitance (pF) Varactor Voltage (V) Capacitance vs. Voltage SPICE Model 5 Percent of Variation (%) 4 3 2 1 0 -1 -2 -3 -4 -40 -20 0 20 40 VVAR = 2.5 V VVAR = 1 V 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 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 VVAR = 4 V RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear CAP CP C = CP 60 80 Temperature (C) Relative Capacitance Change vs. Temperature PORT P_Cathode port = 2 SC-79 CATHODE 0.006 (0.15 mm) MIN. INDICATOR 0.010 (0.25 mm) MIN. 0.014 (0.35 mm) MAX. 1 2 Part Number SMV1270-079 CJO (pF) 30 VJ (V) 12 M 8 CP (pF) 2 RS () 0.7 LS (nH) 1.7 0.028 (0.70 mm) MIN. 0.035 (0.90 mm) MAX. 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. 10 MAX. 0.003 (0.07 mm) MIN. 0.008 (0.20 mm) MAX. 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 6/99A |
Price & Availability of SMV1270-079
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |