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| 580 Pleasant St. Watertown, MA 02472 PH: (617) 926-0404 FAX: (617) 924-1235 UM2300 SERIES Features * * * * * LF band (100 KHz) PIN Long Lifetime (80 s typ.) High Power (1 KW CW) * High Isolation (35 dB) Low Loss (0.2 dB) * Very Low Distortion (IP3 = > 60 dBm) Voltage Ratings to 1000 V PIN DIODE SWITCH Description TYPICAL CAPACITANCE vs REVERSE VOLTAGE UM2300 Series PIN diodes are designed for transmit / receive switch and attenuator application in LF band ( 100 KHz ) and above. As series configured switches, these long lifetime (80 S typ) diodes can control up to 2.5 KW CW in a 50 ohm system. In MF band, insertion loss is less than 0.2 dB and isolation is greater than 35 dB (` ' off state). The UM2300 series offers the lowest distortion performance in both transmit & receive modes. Less than 10 mA forward bias is required to obtain an IP3 of 60 dBm at 150 KHz with 1 watt per tone. The forward biased resistance/reactance vs. frequency characteristics are flat down to 10 KHz. Capacitance vs. reverse bias voltage characteristic is flat down to 1 MHz. In attenuator configurations, the UM2300 produces extremely low distortion at low values of attenuator control current, & very low insertion loss ( 0.2 dB) in the `0 dB 'attenuator state. 130 120 110 100 90 200 KHz 100 KHz Ct (pF) 80 70 60 50 40 30 20 10 0 0 4 MHz 1 MHz 400 KHz 2 MHz 20 40 60 80 100 120 140 160 180 200 Vr (VOLTS) Voltage Ratings (25 C) Reverse Voltage ( VR ) @ IR = 10 A 100 200 400 600 800 1000 Max. 0.4 20 10 Units pF A s dBm DEVICE Electrical Specifications (25 C) Test Diode Resistance RS Capacitance CT Reverse Current IR Carrier Lifetime IP3 Min. Typ. 0.3 15 80 60 VOLTS............ UM2301 VOLTS............ UM2302 VOLTS............ UM2304 VOLTS............ UM2306 VOLTS............ UM2308 VOLTS............ UM2310 Conditions F1 = 1 MHz, 100 mA F2 = 1 MHz, 100 V @ Rated Voltage If = 10 mA / 100 V 2 WATT total, If = 25 mA F1 = 0.999 MHz, F2 = 1.001 MHz 1.0 WATT/ tone 25 Stud Temperature C 60 50 Thermal Resistance 1.0 /W C MSCOXXXA 12-14-98 DSW UM2300 <->(34989) UM2300 SERIES TYPICAL I-V CURVE 10 2 10 -2 TYPICAL IR vs VR 150 oC 101 10 0 150 oC 125 oC 100 oC 75 oC 50 oC 25 oC 10 -3 125 oC 100 oC If [AMPERES] 10 IR (A) (MEAN) -1 10 -4 75 oC 50 oC 10-2 10 -3 10 -5 25 oC -6 10 10-4 10 -5 10 -7 10-6 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 10 -8 0 100 200 300 400 500 600 700 800 900 1000 VR (Volts) Vf [VOLTS] TYPICAL RS vs FORWARD BIAS CURRENT 1000 TYPICAL Rp vs REVERSE VOLTAGE 9 10 108 10KHz 20KHz 40KHz 107 100KHz 200KHz 6 10 5 10 400KHz 1MHz 2MHz 4MHz 10MHz 100 Rs (Ohms) 10 1 Rp (OHMS) .01 .1 1 If (mA) 10 100 104 .1 103 0 10 1 10 REVERSE VOLTAGE (VOLTS) 2 10 MSCOXXXA 12-14-98 DSW UM2300 <->(34989) UM2300 SERIES TYPICAL THERMAL IMPEDANCE 10 0.0 TYPICAL TCVf vs If THERMAL IMPEDANCE - (C/W) -0.5 DELTA 125 oC No Heatsink TCVf [mV/oC] 1 -1.0 -1.5 With Heatsink .1 -2.0 -2.5 .01 1 10 100 Pt - PULSE TIME - (ms) 1000 -3.0 -3 10 -2 10 -1 10 If [AMPERES] 0 10 1 10 TYPICAL POWER LEVEL vs FORWARD BIAS CURRENT 40 f1 = F +/- 1 KHz f2 = F +/- 1 KHz POWER LEVEL/TONE (dBm) 35 500KHz 250KHz 150KHz 70 65 25 55 20 50 TAU = 0.1 ms 15 1 2 3 4 5 6 78 10 45 If NEEDED TO OBTAIN AN IM3 OF - 60 dBc (mA) MSCOXXXA 12-14-98 IP3 (dBm) 30 60 DSW UM2300 <->(34989) UM2300 SERIES UM2300 MSCOXXXA 12-14-98 DSW UM2300 <->(34989) UM2300 SERIES UM2300S MSCOXXXA 12-14-98 DSW UM2300 <->(34989) |
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