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| DIVIDE- BY- 2 PRESCALER UPB581B UPB581C FEATURES * HIGH FREQUENCY OPERATION TO 2.8 GHz * WIDE BAND OPERATION * SINGLE SUPPLY VOLTAGE: VCC = 5 V 10% * COMPLEMENTARY OUTPUTS TEST CIRCUIT UPB581B,C VCC 1 IN 2 3 4 8 7 6 5 * OUT DESCRIPTION The UPB581 series of devices are divide-by-2 silicon bipolar digital prescalers. They feature high frequency response and operate from a single 5 volt supply. The series is available in two package styles: 8 lead ceramic flat package (UPB581B) and an 8 pin DIP (UPB581C). Applications include: frequency synthesis, division and scaling. Note: All capacitors are 2200 pF, All resistors are 50 Ohms. *Pin 8 is not connected for UPB581C. ELECTRICAL CHARACTERISTICS (VCC = 5.0 0.5 V, ZS = ZL = 50 ) PART NUMBER PACKAGE OUTLINE SYMBOLS ICC fIN PARAMETERS AND CONDITIONS Power Supply Current Frequency Response at PIN = -10 to -5 dBm1 PIN = -5 to 0 dBm1 PIN = 0 to +5 dBm1 PIN = -5 to +10 dBm2 PIN = -5 to +10 dBm3 PIN = -3 to +10 dBm4 Input Power at fIN = 0.5 to 2.4 GHz1 fIN = 0.5 to 2.6 GHz1 fIN = 0.5 to 2.8 GHz1 fIN = 0.5 to 2.2 GHz2 fIN = 0.5 to 2.4 GHz3 fIN = 0.5 to 2.4 GHz4 Output Power5 Thermal Resistance, Junction to Case UNITS mA GHz GHz GHz GHz GHz GHz dBm dBm dBm dBm dBm dBm dBm C/W MIN 15 0.5 0.5 0.5 UPB581B BF08 TYP 30 MAX 40 2.4 2.6 2.8 0.5 0.5 0.5 -10 -5 0 +5 +5 +5 -5 -5 -3 -12 -8 25 -12 -8 +10 +10 +10 2.2 2.4 2.4 MIN 15 UPB581C C08 TYP 30 MAX 40 PIN POUT RTH (J-C) Notes: 1. TA = -40 to +85C. 4. TA = -20 to +70 C, VCC = 5.0 0.25 Volts. 2. TA = -35 to +85C. 5. TA = +25C, fIN = 2.0 GHz, PIN = 0 dBm. 3. TA = -20 to +65 C, VCC = 5.0 0.25 Volts. California Eastern Laboratories UPB581B, UPB581C ABSOLUTE MAXIMUM RATINGS1 (TA = 25C) SYMBOLS VCC VIN PIN PD PARAMETERS Supply Voltage Input Voltage Input Power Power Dissipation UPB581B2 UPB581C Operating Temperature UPB581B UPB581C Storage Temperature UPB581B UPB581C UNITS V V dBm mW mW C C C C RATINGS -0.5 to 6.0 -0.5 to VCC + 0.5 +10 1500 600 -55 to +125 -55 to +85 -65 to +200 -55 to +125 RECOMMENDED OPERATING CONDITIONS SYMBOL VCC TOP PARAMETER Supply Voltage Operating Temperature UPB581B UPB581C UNITS V C C RATINGS 4.5 to 5.5 -40 to +85 -20 to +75 TOP TSTG Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. TA = Absolute Maximum Operating Temperature. TYPICAL PERFORMANCE CURVES (TA = 25C unless otherwise noted.) UPB581B INPUT POWER vs. FREQUENCY 20 Note: Because of the high internal gain and gain compression of the UPB581, this device is prone to self-oscillation in the absence of an RF input signal. If the device will be used in an application where DC power will be applied in the absence of an RF input signal, this self-oscillation can be suppressed by any of the following means: * Add a shunt resistor from the RF input line to ground. The blocking capacitor should be between the resistor and the UPB581, but physical separation should be minimized. Typically a resistor value between 50 and 100 ohms will suppress the selfoscillation. * Apply a DC offset voltage of +3.0 volts to the INPUT pin. The voltage source should be isolated from the INPUT pin by a series 1000 ohm resistor. * Apply a DC offset voltage of +1.5 volts to the BYPASS pin. The voltage source should be isolated from the BYPASS pin by a series 1000 ohm resistor. All these approaches reduce the input sensitivity of the UPB581 (by as much as 3 dB for the example of a 50 ohm shunt resistor), but otherwise have no affect on the reliability or other electrical characteristics of this device. UPB581C INPUT POWER vs. FREQUENCY 20 PIN MAX Input Power, PIN (dBm) Input Power, PIN (dBm) 10 10 0 Guaranteed Operating Window 0 Guaranteed Operating Window * -10 -10 PIN MIN -20 VCC = 5 V -30 -20 RESPONSE CURVE CONDITION VCC = 5 V -30 0 0.5 1 1.5 2 2.5 3 3.5 0.5 1 2 5 Frequency, f (GHz) UPB581 SSB PHASE NOISE vs. OFFSET FROM CARRIER fIN = 500 MHz -80 -90 Frequency, f (GHz) * See special conditions in Electrical Characteristics Table. UPB581C OUTPUT POWER vs. INPUT POWER 0 VCC = 5 V fIN = 2 GHz SSB Phase Noise (dBc/Hz) Output Power, POUT (dBm) -100 -110 -120 -130 -140 -150 -160 -170 -180 0 1 10 100 1K 10K 100K 1M -10 1/2 fIN -20 -30 -40 fIN -20 -10 0 10 20 Offset from Carrier (Hz) Input Power, PIN (dBm) UPB581B, UPB581C TYPICAL PERFORMANCE CURVES UPB581B INPUT POWER vs. FREQUENCY AND TEMPERATURE 20 20 TA = 75C TA = 25C TA = -25C UPB581C INPUT POWER vs. FREQUENCY AND TEMPERATURE Input Power, PIN (dBm) Input Power, PIN (dBm) 10 TA = 85C TA = 25C TA = -20C VCC = 5 V -10 10 VCC = 5 V 0 0 -10 -20 -20 -30 -30 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 2 3 Frequency, f (GHz) Frequency, f (GHz) UPB581C OUTPUT POWER vs. TEMPERATURE AND VOLTAGE VCC = 5.5 V VCC = 5.0 V VCC = 4.5 V 80 UPB581C CIRCUIT CURRENT vs. TEMPERATURE AND VOLTAGE VCC = 5.5 V VCC = 5.0 V VCC = 4.5 V Output Power, POUT (dBm) 10 Circuit Current, ICC (mA) 0 60 -10 40 -20 20 -30 -25 0 25 50 75 0 -25 0 25 50 75 Ambient Temperature, TA (C) Ambient Temperature, TA (C) UPB581B, UPB581C OUTLINE DIMENSIONS (Units in mm) UPB581B PACKAGE OUTLINE BF08 7.00.5 1.27 1.27 1.27 0.1 0.1 0.1 UPB581C PACKAGE OUTLINE C08 8 1.7 MAX 7 6 5 8 7 6 5 PIN CONNECTIONS 1. VCC 5. GND 2. Input 6. Output 1 3. Bypass 7. Output 2 4. GND 8. NC 1 10.40.5 2.6 4.40.2 3 2 4 10.16 MAX 0.9 MIN 7.62 6.4 4.31 MAX 5.08 MAX 1 2 0.4 5.00.2 3 4 +0.05 0.2 -0.02 0.51 MIN 3.2 0.3 1.4 MIN 2.54 0.50 1.27 +0.10 0.25 -0.05 0 ~15 PIN CONNECTIONS 1. VCC 5. GND 2. Input 6. Output 1 3. Bypass 7. Output 2 4. GND 8. VCC INTERNAL SCHEMATIC UPB581B INPUT AND OUTPUT S-PARAMETERS VCC = 5.0 V, ICC = 30 mA Q2 VCC Q4 Q1 Q6 Q7 Q8 Q9 Q17 Q18 Q19 Q20 Q26 Q27 Q5 Q15 Q16 Q29 Q30 Freq (GHz) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 MAG 0.732 0.713 0.691 0.674 0.659 0.655 0.642 0.617 0.583 0.537 0.488 0.435 0.377 0.305 0.245 S11 ANG -16 -32 -47 -62 -77 -92 -108 -125 -142 -159 -176 167 149 132 115 Freq (GHz) 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 MAG 0.174 0.207 0.227 0.257 0.284 0.310 0.332 0.347 0.377 0.367 0.386 0.389 0.406 0.363 0.428 S22 ANG 168 138 114 96 81 67 55 41 33 17 11 -10 -10 -28 -30 VIN Q10 Q11 Q22 Q21 Q31 Q33 Q32 Q3 Q14 Q24 Q34 OUT1 OUT2 EXCLUSIVE NORTH AMERICAN AGENT FOR RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES * Headquarters * 4590 Patrick Henry Drive * Santa Clara, CA 95054-1817 * (408) 988-3500 * Telex 34-6393 * FAX (408) 988-0279 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) * Internet: http://WWW.CEL.COM PRINTED IN USA ON RECYCLED PAPER -11/97 DATA SUBJECT TO CHANGE WITHOUT NOTICE |
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