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| Very Low Distortion Attenuator Plastic Packaged PIN Diodes SMP1307 Series Features s Low Distortion Design s Frequency Range from HF to > 2 GHz s Designed for CATV AGC Applications s Designed for High Volume Wireless Applications Description The SMP1307 series of plastic packaged, surface mountable, low capacitance (0.3 pF) silicon PIN diodes are designed for use in attenuator applications from 5 MHz to beyond 2 GHz. The thick 175 m I region of these PIN diodes makes them very attractive for use in very low distortion PI and TEE attenuators commonly used in TV distribution applications. The 1.5 S typical carrier lifetime of these diodes results in resistance of 100 maximum at 1 mA and 10 maximum at 10 mA. Available in a selection of plastic packages, as a single diode in the small footprint SOD-323, and in a variety of configurations in the SOT-23. Also available in a SOT-5 (SMP1307-027) package as a four diode array designed for insertion in the commonly used 4 diode PI attenuator circuit. Absolute Maximum Ratings Characteristic Reverse Voltage (VR) Power Dissipation @ 25C Lead Temperature (PD) Storage Temperature (TST) Operating Temperature (TOP) ESD Human Body Model Value 200 V 250 mW -65C to +150C -65C to +150C Class 1C Single Marking: PJ1 SOT-23 o SMP1307-001 Common Cathode Marking: PJ3 SOT-23 o SMP1307-004 Series Pair Marking: PJ2 SOT-23 o SMP1307-005 Single PI Marking: PJM SOD-323 o SMP1307-011 SOT-5 o SMP1307-027 LS = 1.5 nH o Available through distribution. LS = 1.5 nH LS = 1.5 nH LS = 1.5 nH Electrical Specifications at 25C Parameter Reverse Current (IR) Capacitance (CT) Resistance (RS) Resistance (RS) Resistance (RS) Forward Voltage (VF) Carrier Lifetime (TI) I Region Width Condition VR = 200 V F = 1 MHz, V = 30 V F = 100 MHz, I = 1 mA F = 100 MHz, I = 10 mA F = 100 MHz, I = 100 mA IF = 10 mA IF = 10 mA 0.85 1.5 175 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 Typ. Max. 10 0.30 Unit A pF V S m 75 100 15 3.0 1 Very Low Distortion Attenuator Plastic Packaged PIN Diodes SMP1307 Series Typical Performance Data 10000 100 Series Resistance () 1000 100 10 1 0.1 0.01 Forward Current (mA) 10 1 0.1 0.1 1 10 100 0.01 400 500 600 700 800 900 1000 Forward Current (mA) Forward Voltage (mV) Series Resistance vs. Current @ 100 MHz 0.8 0.7 400 350 DC Characteristic Capacitance (pF) Conductance (S) 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 5 10 20 50 100 100 MHz 1 GHz 1 MHZ 300 250 200 150 100 50 0 0 500 1000 1500 2000 10 V 40 V 0V Reverse Voltage (V) Frequency (MHz) Capacitance vs. Reverse Voltage Conductance vs. Frequency and Reverse Voltage Resistance vs. Temperature @ 100 MHz IF (mA) 0.02 0.10 0.30 1.00 10.00 20.00 100.00 R -55C () 2386.0 572.0 203.0 66.1 9.1 5.6 2.2 R -15C () 2360.0 598.0 219.0 71.2 10.0 6.0 2.4 R +25C () 2546.0 632.0 236.0 79.3 10.9 6.6 2.6 R +65C () 2520.0 633.0 239.0 83.6 12.2 7.4 3.0 R +100C () 2440.0 639.0 242.0 85.4 12.9 7.8 3.2 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 Very Low Distortion Attenuator Plastic Packaged PIN Diodes SMP1307 Series SMP1307-027 4 Diode PI Attenuator The SMP1307-027 employs 4 PIN diode junctions in a 5-lead SOT package. It is configured for ease of insertion in the PI attenuator circuit commonly used for broadband TV distribution systems, covering a frequency range from 5 MHz to beyond 1 GHz. A broadband attenuator was designed using the SMP1307-027 showing good performance to 2 GHz. The attenuator was evaluated with a 50 source and load impedance. The following figure shows the circuit diagram and measured performance. 3 2 1 4 5 C1 10,000 pF RF Input R1 1k D2 R2 1k D1 D3 C6 10,000 pF VTUNE 0-20 V C5 10,000 pF R6 560 RF Output D4 R3 1k R4 1k C2 10,000 pF R5 560 C3 10,000 pF C4 10,000 pF VREF 5V D1-D4 SMP1307-027 A 4 diode PI attenuator utilizing individual SMP1307-011 PIN diodes is described in the "A Wideband General Purpose PIN Diode Attenuator" Application Note. 0 -10 VCTL = 20 V VCTL = 15 V VCTL = 10 V VCTL = 5 V VCTL = 0 V Attenuation (dB) -20 -30 -40 -50 0 0.5 1.0 1.5 2.0 Frequency (GHz) SMP1307-027 Attenuation vs. Frequency 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 3 Very Low Distortion Attenuator Plastic Packaged PIN Diodes SMP1307 Series SOT-23 0.110 (2.80 mm) MIN. 0.120 (3.04 mm) MAX. 3 SOT-5 0.012 (0.30 mm) MIN. 0.020 (0.50 mm) MAX. 0.047 (1.20 mm) MIN. 0.055 (1.40 mm) MAX. 1 2 0.083 (2.10 mm) MIN. 0.104 (2.64 mm) MAX. 0.014 (0.36 mm) MIN. 0.020 (0.51 mm) MAX. 0.037 (0.94 mm) REF. 5 4 0.060 (1.52 mm) MIN. 0.069 (1.75 mm) MAX. 3 0.102 (2.59 mm) MIN. 0.118 (3.00 mm) MAX. 0.035 (0.89 mm) MIN. 0.057 (1.49 mm) MAX. 0.037 (0.95 mm) REF. 0.020 (0.51 mm) REF. 0.076 (1.92 mm) REF. 0.003 (0.080 mm) MIN. 0.008 (0.20 mm) MAX. 8 MAX. 0.035 (0.89 mm) MIN. 0.044 (1.12 mm) MAX. 1 2 0.037 (0.94 mm) REF. 0.110 (2.79 mm) MIN. 0.118 (3.00 mm) MAX. 10 MAX. 0.035 (0.89 mm) MIN. 0.051 (1.30 mm) MAX. 0.134 (3.4 mm) 0.022 (0.55 mm) REF. 0.0005 (0.01 mm) MIN. 0.004 (0.10 mm) MAX. 0.004 (0.10 mm) MIN. 0.024 (0.61 mm) MAX. 0.000 (0.00 mm) MIN. 0.006 (0.15 mm) MAX. SOD-323 0.090 (2.30 mm) MIN. 0.108 (2.74 mm) MAX. 0.010 (0.25 mm) MIN. 0.016 (0.40 mm) MAX. 0.063 (1.60 mm) MIN. 0.071 (1.80 mm) MAX. 0.045 (1.15 mm) MIN. 0.053 (1.35 mm) MAX. 1 2 CATHODE INDICATOR 0.008 (0.20 mm) NOM. 0.006 (0.15 mm) TYP. 0.050 (1.25 mm) MAX. 0.004 (0.10 mm) MAX. 0.010 (0.25 mm) MIN. 4 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 |
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