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| Silicon Tuning Diode These devices are designed in the popular PLASTIC PACKAGE for high volumerequirements of FM Radio and TV tuning and AFC, general frequency control andtuning applications.They provide solid-state reliability in replacement of mechanical tuning methods. Also available in Surface Mount Package up to 33pF. * High Q * Controlled and Uniform Tuning Ratio * Standard Capacitance Tolerance --10% * Complete Typical Design Curves MMBV2101LT1 MMBV2103LT1 MMBV2105LT1 MMBV2107LT1 MMBV2108LT1 MMBV2109LT1 6.8-100p 30 VOLTS VOLTAGE VARIABLE CAPACITANCE DIODES 3 CATHODE 1 ANODE 3 1 2 CASE 318-08, STYLE 8 SOT- 23 (TO-236AB) MAXIMUM RATINGS(EACH DIODE) Rating Reverse Voltage Forward Current Device Dissipation @T A = 25C Derate above 25C Junction Temperature Storage Temperature Range Symbol VR IF PD TJ T stg M V 2 1 X X MMBV21XXLT1 Unit 30 Vdc 200 mAdc 280 225 mW 2.8 1.8 mW/C +150 C -55 to +150 C DEVICE MARKING MMBV2101LT1=M4G MMBV2103LT1=4H MMBV2105LT1=4U MMBV2107LT1=4W MMBV2108LT1=4X MMBV2109LT1=4J Symbol V (BR)R IR T CC Min 30 -- -- Typ -- -- 280 Max -- 0.1 -- Unit Vdc Adc ppm/C ELECTRICAL CHARACTERISTICS(TA=25C unless otherwise noted) Characteristic Reverse Breakdown Voltage (IR=1.0Adc) Reverse Voltage Leakage Current (VR=25Vdc,TA=25C) Diode Capacitance Temperature Coefficient (VR=4.0Vdc,f=1.0MHz) I6-1/3 MMBV2101LT1 MMBV2103LT1 MMBV2105LT1 MMBV2107LT1 MMBV2108LT1 MMBV2109LT1 C Device V R T , Diode Capacitance = 4.0 Vdc, f = 1.0 MHz pF Min 6.1 9.0 10.8 13.5 19.8 24.3 29.7 42.3 90 Nom 6.8 10 12 15 22 27 33 47 100 Max 7.5 11 13.2 16.5 24.2 29.7 36.3 51.7 110 Q, Figure of Merit V R = 4.0 Vdc, f = 50 MHz Typ 450 400 400 400 350 300 200 150 100 T R, Tuning Ratio C 2 /C 30 f = 1.0 MHz Min 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.6 Typ 2.7 2.9 2.9 2.9 2.9 3.0 3.0 3.0 3.0 Max 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.3 MMBV2101LT1/MV2101 MMBV2103LT1 MV2104 MMBV2105LT1/MV2105 MMBV2107LT1 MMBV2108LT1/MV2108 MMBV2109LT1/MV2109 MV2111 MV2115 MMBV2101LT1, MMBV2103LT1, MMBV2105LT1, MMBV2107LT1 thru MMBV2109LT1, are also available in bulk. Use the device title and drop the "T1" suffix when ordering any of these devices in bulk. PARAMETER TEST METHODS 4.T CC,DIODE CAPACITANCE TEMPERATURE COEFFICIENT~ T CC is guaranteed by comparing CT at ~ V R=4.0Vdc,f=1.0MHz,T A= - 65C with CT at V R=4.0Vdc, f=1.0MHz,T A= + 85C in the following equation,which defines TC C: C T(+85C) - C T(-65C ) 106 . TC C = 85+65 C T(25C) 1. C T , DIODE CAPACITANCE (C T = C C + C J ). C T is measured at 1.0 MHz using a ca-pacitance bridge (Boonton Electronics Model 75A or equivalent). 2. T R, TUNING RATIO T R is the ratio of C T measured at 2.0 Vdc divided by C T measured at 30 Vdc. 3. Q, FIGURE OF MERIT Q is calculated by taking the G and C readings of an ad-mittance bridge at the specified frequency and substitut-ing in the following equations: Q= 2fC G (Booton Electronics Model 33As8 or equivalent).Use Lead Length 1/16". I6-2/3 MMBV2101LT1 MMBV2103LT1 MMBV2105LT1 MMBV2107LT1 MMBV2108LT1 MMBV2109LT1 TYPICAL DEVICE CHARACTERISTICS 1000 C T , DIODE CAPACITANCE (pF) 500 MV2115 200 100 50 T A = 25C f = 1.0 MHz MMBV2109LT1/MV2109 MMBV2105LT1/MV2105 20 10 5.0 2.0 1.0 0.1 MMBV2101LT1/MV2101 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 20 30 V R , REVERSE VOLTAGE (VOLTS) Figure 1. Diode Capacitance versus Reverse Voltage NORMALIZED DIODE CAPACITANCE 1.040 100 50 I R , REVERSE CURRENT (nA) 1.030 1.020 1.010 1.000 0.990 0.980 0.970 0.960 -75 V R = 2.0Vdc 20 10 5.0 2.0 1.0 .50 .20 T A = 125C V R = 4.0Vdc V R = 30Vdc NORMALIZED TO C T at T A = 25C V R = (CURVE) -50 -25 0 +25 +50 +75 +100 +125 T A = 75C T A = 25C .10 .05 .02 .01 0 5.0 10 15 20 25 30 T J , JUNCTION TEMPERATURE (C) V R , REVERSE VOLTAGE (VOLTS) Figure 2. Normalized Diode Capacitance versus Junction Temperature Figure 3. Reverse Current versus Reverse Bias Voltage 5000 3000 2000 5000 MMBV2101LT1/MV2101 MMBV2109LT1/MV2109 3000 2000 Q, FIGURE OF MERIT MV2115 100 50 30 20 10 1.0 2.0 3.0 5.0 7.0 10 20 30 Q, FIGURE OF MERIT 1000 500 300 200 1000 500 300 200 MMBV2101LT1/MV2101 100 MV2115 50 30 20 10 10 20 30 50 70 100 200 300 T A = 25C f = 50 MHz T A = 25C V R = 4.0 Vdc MMBV2109LT1/MV2109 V R , REVERSE VOLTAGE (VOLTS) f, FREQUENCY (MHz) Figure 4. Figure of Merit versus Reverse Voltage Figure 5. Figure of Merit versus Frequency I6-3/3 |
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