NPN SILICON OSCILLATOR AND MIXER TRANSISTOR

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NPN SILICON OSCILLATOR AND MIXER TRANSISTOR NE944 SERIES FEATURES LOW COST HIGH GAIN BANDWIDTH PRODUCT: ft = MHz TYP LOW COLLECTOR TO BASE TIME CONSTANT: CC r b'b = 5 ps TYP LOW FEEDBACK CAPACITANCE: CRE=.55 pf TYP DESCRIPTION The NE944 series of NPN silicon epitaxial bipolar transistors is intended for use in general purpose UHF oscillator and mixer applications. It is suitable for automotive keyless entry and TV tuner designs. The device features stable oscillation and small frequency drift during changes in the supply voltage and over the ambient temperature range. ELECTRICAL CHARACTERISTICS (TA = 5 C) PART NUMBER NE944 EIAJ REGISTERED NUMBER SC484 SC545 PACKAGE CODE SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX MIN TYP MAX ICBO Collector Cutoff Current, VCB = V, IE = µa.. hfe DC Current Gain, VCE = V, IC = 5. ma 4 5 5 VCE(sat) Collector Saturation Voltage, IC = ma, IB =. ma V.5.5 ft Gain Bandwidth Product, VCE = V, IE = 5 ma GHz.... COB Output Capacitance, VCB = V, IE = ma, f =. MHz pf.7. CC rb'b Collector to Base Time Constant, VCE = V, IE = -5. ma, f =.9 MHz ps.5 8. 5. CRE Feedback Capacitance, VCB = V, IE = ma, f =. MHz pf.55. RTH (J-C) Thermal Resistance, Junction to Case (infinite heat sink) C/W RTH (J-A) Thermal Resistance, Junction to Ambient (free air) C/W 8 6 PT Power Dissipation mw 5 5. Electronic Industrial Association of Japan. California Eastern Laboratories

ABSOLUTE MAXIMUM RATINGS (TA = 5 C) SYMBOLS PARAMETERS UNITS RATINGS VCBO Collector to Base Voltage V VCEO Collector to Emitter Voltage V 5 VEBO Emitter to Base Voltage V. IC Collector Current ma 5 TJ Junction Temperature NE944, NE944 C 5 C 5 TSTG Storage Temperature C -55 to +5. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TA = 5 C) TOTAL POWER DISSIPATION vs. AMBIENT TEMPERATURE DC CURRENT GAIN vs. COLLECTOR CURRENT FREE AIR Total Power Dissipation, PT (mw) 5 5 5 NE944 FREE AIR DC Current Gain, hfe 9 5 VCE = V VCE = V 5 5 75 5 5.5 5 5 Ambient Temperature, TA ( C) Collector Current, IC (ma) GAIN BANDWIDTH PRODUCT vs. COLLECTOR CURRENT TYPICAL DEVICE CAPACITANCE vs. COLLECTOR TO BASE VOLTAGE Gain Bandwidth Product, ft (GHz) 5.7.5.. VCE = -5 V Feedback Capacitance, Cre (pf).7.5.. f =. MHz..5.7 5 7 5 Collector Current, IC (ma). 5 7 Collector to Base Voltage, VCB (V)

TYPICAL NOISE PARAMETERS (TA = 5 C) FREQ. NFOPT GA ΓOPT (MHz) (db) (db) MAG ANG Rn/5 VCE =.5 V, IC =.5 ma 5..4. 6.75 5.4 7..9 4.45 5 6.7 4.44. 65.64 VCE = V, IC = 5 ma 5.8.67.7 79.7 6. 8.8.8 68.48 5 8. 5.58.8-75.55 VCE = V, IC = 5 ma 5.8.88.7 69.75 6. 9.5.7 6.58 5 8. 6.6. 74.68 NE944 TYPICAL NOISE PARAMETERS (TA = 5 C) FREQ. NFOPT GA ΓOPT VCE IC (MHz) (db) (db) MAG ANG Rn/5 (V) (ma) VCE = 8 V, IC = 5 ma 5.6..4 5. 8 5 5.8 9.4.9.7 8 5 VCE = V, IC = 5 ma 5.6.9.44.5.4 5 6. 8.9. 7.7 5

TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 5 C) j j5 j5 S GHz 5 5 j S.5 GHz S.5 GHz 5 S 8.5 GHz 9 5 4 S..5 GHz S GHz 6 S GHz..4.5 -j -j5 S GHz -j5 -j Coordinates in Ohms Frequency in GHz (VCE =.5 V, IC =.5 ma) -5 - -9-6 - VCE =.5 V, IC =.5 ma FREQUENCY S S S S K S MAG (MHz) MAG ANG MAG ANG MAG ANG MAG ANG (db) (db) 5.99 -. 4.5 6..7 89..977-6....8.854-4.4.89 48.7. 66.4.96 -.9.47.8..75-5..59 9.9.49 56.9.84-6..65. 8.7.68-74..85 4.9.6 5.8.788-8.4.78. 7.4 4.498-96..956..69 5..756-9.9.89 9.4 6. 5.4 -.8.67 9..76 5.4.78 -.8.99 8. 5.4 6.8-6..7 84.7.84 5..78 -.7.6 7..8 7.55-6.7. 78.4.9 54..7-5.7. 6.. 8.8-45.4.8 7.9.99 54.6.77-8..7 5.. 9.7-5.6.6 68..7 55..7 -.. 4. 9..8-59.5.49 6.5.5 56..7 -.6..5 8. 5.8 7.6.7 45.4.57 58..74-4.9.5.6 5.4.5 48.6.85.. 58.7.7-56.4. -.4.7 5.4 5.9.7..57 58..69-69..4 -...79 5.4.64 4.8.6 55..67-8.8. -4..8 VCE = V, ICE = 5 ma 5.89-9.8 7.56 54.4.4 88..946-8.5. 7.6 7..74-8. 6.98 8.9.5 6.8.874 -..57 6.9 4.5.5-76.6 5.96 7.4.7 59.4.77-5.6.77 5.4..44-6. 4.76.6.46 58..7-6.4.9.6. 4.54-5.6.89 9.5.5 59.9.7-7.5.7.6 7. 5.6-8.4.5 84..64 6..75-9..9. 5. 6. -47.8.67 78.4.7 6.7.7 -..5 8.5. 7.6-55.6.8 7..8 6.4.699 -..8 7.. 8. -6..5 68.7.89 6.7.697-5.4. 6..8 9. -67.8.89 64.4.98 6..696-7.7. 5. 9.9. -7..669 6.4.6 6.5.695 -..4 4.4 9. 5.6 6..69 4.8.5 64.6.696-4.4.9.4 6.. 4..94..98 64..699-5.8. -.8 4.6 5.6 9.9.75..59 6.8.69-66..5 -.5..4.9.64.9. 58.7.67-79.9. -.8.. Gain Calculations: MAG = S (K ± K - ). When K, MAG is undefined and MSG values are used. MSG = S, K = + - S - S, = S S - S S S S S S MAG = Maximum Available Gain MSG = Maximum Stable Gain

TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 5 C) j5 j5 j 9 6 j S GHz 5 S.5 GHz S GHz S GHz -j 5 5 -j5 S GHz -j5 S.5 GHz -j S.5 GHz Coordinates in Ohms Frequency in GHz (VCE = V, IC = ma) 8-5 - S.5 GHz 8 4-9... -6.4.5 - VCE = V, IC = ma FREQUENCY S S S S K S MAG (MHz) MAG ANG MAG ANG MAG ANG MAG ANG (db) (db) 5.585-4.. 4.5. 7.5.896 -..64.7.8.496-76.7.5 4..5 6..799 -.5.95. 8..54-9. 6.964..8 6.7.7 -.4.5 6.9.5. -8. 5.4 9.6.9 65..7-4.. 4. 9. 4. -5..9 84.5.49 66.7.69-5.4.6.8 6.6 5. -58..84 78.7.58 66.7.69-7... 4.6 6. -64.8.68 7.6.67 67.6.689-9.5. 8.6. 7.7-7.5.6 69..76 68..689 -.8.4 7..9 8. -75.4.4 64.8.84 68..689-4..6 6..8 9.6-79.9.84 6.8.9 68.6.69-6.6.6 5. 9.9. 75.5.65 57.. 68.7.69-9..7 4.4 9. 5.54 54.6.45 4..48 7..694-4..8. 6..74 4..887 8.. 69..697-5.8.7 -. 4.8 5.4 4.4.7 8.6.69 66..689-66.7. -.8.7.48 96..6..47 6.7.668-8.6. -4.. VCE = V, Ic = 5 ma 5.86-7.7 7.577 56.. 79.9.96-6.. 7.6 8..788-5. 6.98 4.8. 6.9.99 -..57 6.9 5..574-68. 6.49.. 6..86 -.6.7 5.6.6.48-95.6 4.966 4.4.9 59.9.79 -.6.86.9. 4.49-4.9 4. 9.9.45 6.9.776-4.7.98. 9.5 5. -7.9.9 86.6.5 6.5.768-6..4.4 6.7 6.9-8..8 8.7.6 6.9.765-8..9 9. 4.9 7.8-46..45 75.6.67 64.5.76-9.9. 7.8.5 8.77-5.6.65 7.9.74 65..76 -..5 6.7. 9.74-59.8.94 66.7.8 66..76-4..5 5.8.4.7-65.8.759 6.8.88 66..76-6..8 4.9.4 5.8 68.. 46..6 68.6.76-6...7 7.8. 44..949.5.67 69.7.768-46.8. -.5 6.6 5.4.7.77.. 69.6.766-57.6.9 -. 5.4.8.5.649 5..9 66.7.755-69..87 -.8.5. Gain Calculations: MAG = S S (K ± When K, MAG is undefined and MSG values are used. MSG = S, K = + - S - S, = S S - S S S S S K - ). MAG = Maximum Available Gain MSG = Maximum Stable Gain

TYPICAL COMMON BASE SCATTERING PARAMETERS (TA = 5 C) S GHz j5 j5 j 9.5. 6 j -j 5 5 S.5 GHz -j5 S GHz -j5 S GHz S.5 GHz -j Coordinates in Ohms Frequency in GHz (VCB =.5 V, IC =.5 ma) 8 5-5 - S GHz.5..5.5 S.5 GHz -9 S.5 GHz -6.5 - VCB =.5 V, IC =.5 ma FREQUENCY S S S S K S MAG (MHz) MAG ANG MAG ANG MAG ANG MAG ANG (db) (db) 5.6 78.7.6 -.4. 6.6.996 -.6 -.4 4. 7..6 76.6.599-5.5.4..999 -.6 -.4 4. 5.8.6 7.6.6 -.7.9..4-4. -.8 4..5 4.65 64.8.567-5..9 6.4.5-9.4 -.47.9 9. 6.64 57..55-8.5..8.8-5. -.6.7 6.6 8.598 49.4.467-5..5.8.47 -. -.6. 4.6.59 4.9.95-66..7.7.6-7.6 -.6.9. 5.57 4..66 -.4.4 6.9.76-45.6 -.4. 9..54 7.4.9-4..5 97..4-64.7 -. -.7 6. VCB = V, lc = 5 ma 5.777 78.6.75 -.. 45.9. -.5 -.54 4.9 9.4.77 76.4.75-5...8. -.6 -.4 4.9 9.4.774 7.6.747 -..6 97.8. -4. -. 4.8 4.6 4.767 64.6.77-4..7 4..5-9. -.5 4.7. 6.75 56.7.74-6.9...5-4. -.68 4.6 7.4 8.74 49..657-5..49..5 -. -.68 4.4 5..75 4.5.595-64.5.7.6.69-6.5 -.6 4..4 5.7.8.68 -..44.4.9-44.9 -.4.7 9.8.67 4.8.94-4..6 99.5.4-64. -.4.8 6.8 VCE = V, IC = ma 5.866 78.6.84 -.. 6.5.999 -.4 -.97 5..6.86 76.6.84-5.. 9.7..6 -. 5. 7.9.859 7.5.8 -.5.6 7.. - 4. -. 5. 4.9 4.846 64.4.88-4.6.7..7-9. -.6 5.. 6.86 56.6.799-7.9..9.7-4.5 -.67 5. 7.8 8.86 49..749-5.7.5.8.57 -.4 -.65 4.9 5.4.89 4.5.687-66.6.7..74-7. -.6 4.5.6 5.79..44-5.4.49..9-45.9 -.6. 9.9.78.. -46.8.5 99..8-65.7.4. 6.8. Gain Calculations: MAG = S S (K ± When K, MAG is undefined and MSG values are used. MSG = S, K = + - S - S, = S S - S S S S S K - ). MAG = Maximum Available Gain MSG = Maximum Stable Gain

TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 5 C) j5 j5 j 9 6 Coordinates in Ohms Frequency in GHz (VCE = V, IC = 5 ma) NE944 VCE = V, IC = 5 ma -j5-9 FREQUENCY S S S S K MAG (MHz) MAG ANG MAG ANG MAG ANG MAG ANG (db) 5.9-4 8.5 65.5 65.98-4.4 7.4.857-9 7.587 5.8 64.96-9.4 4.4.7-5 6.58.9 64.884-4.47. 4.478-79 4. 4.64 59.797-8.74 8. 6.66-98.9 88.8 58.765 -.89 5.4 8.8-4.6 77. 58.75-4.97.5.74-8.867 68.5 58.748-8..4.54-4.595 59. 58.746 -.4 9.7 4.4-55.4 5.45 58.745-6.4 8.6 6.6-68.56 46.6 59.745-9. 7.9 8.4 79.4 4.75 6.744-44. 7.4.9 67.5 4.9 6.74-48.98 7.4.47 54.97 9. 6.74-5.95 6.6 VCE = V, lc = ma 5.89-9.5 6.4 6.967-5.44 8.7.796-5 9.9 45.5 6.94 -.46 5.7.69-6 7.8.7 6.85-4.55.8 4.47-89 4. 99.59 6.77-7.8 8.6 6. -9.4 85.79 6.75 -.9 5.9 8.9-6.49 74.95 6.79 -.99.9.7-4.97 65.9 6.78-7..4.58-55.69 57.5 6.76 -.4. 4.54-69.48 5.4 6.78-5. 9. 6.54 79.8 44.56 6.78-9. 8.7 8.57 67.65 8.7 6.78-4.98 8..64 56.7.94 64.77-48.94 7.4.7 44.987 8.4 64.76-5.9 6.6 4.86 4.96.9 6.7-57.87 5.8 VCE = V, IC = ma 5.88-8.47 56.4 65.969-5.6 8.7.685-48 8.55 6.4 64.95 -.45 5.6.445-74 5.7 5.5 59.84 -.7. 4.47-5.58 95.55 6.79-6.96 7.9 6. -8.94 8.7 6.77-9.6.7 8.85-46.877 7.89 6.76 -...78-6.558 6.5 64.758-7. 9.5.78-75.7 55. 66.756 -. 8. 4.8 7.78 48.9 66.754-6. 7.4 6.86 6.55 4.58 67.75-4.7 6.6 5.95 5.959 6.78 68.75-45. 6..4 4.88. 68.748-5.99 6.4.7.8 6.5 67.744-55.96 5.6 4.9.75.54 66.77-6.94 4.7. Gain Calculations: MAG = S S j (K ± When K, MAG is undefined and MSG values are used. MSG = S, K = + - S - S, = S S - S S S S S K - ). MAG = Maximum Available Gain MSG = Maximum Stable Gain -j 5 5 -j5 S.4 GHz S.4 GHz S.5 GHz -j S.5 GHz 8 5-5 S S.5 GHz..5.5 GHz S.4 GHz 4-6 8 S.4 GHz -6..5 -

OUTLINE DIMENSIONS (Units in mm) PACKAGE OUTLINE PACKAGE OUTLINE RECOMMENDED P.C.B. LAYOUT. ±.. ±..65..5 ±.. +. -.5 (ALL LEADS).7.9 ±..5 MARKING LEAD CONNECTIONS. Emitter. Base. Collector.6.8.65. to..5 +. -.5 PACKAGE OUTLINE PACKAGE OUTLINE RECOMMENDED P.C.B. LAYOUT.8 +. -..4.9 ±..95.9.4 +. -.5 (ALL LEADS). to.4.8 +..5 -..65 +. -.5 LEAD CONNECTIONS. Emitter. Base. Collector.8..95.9 to..6 +. -.6 ORDERING INFORMATION PART NUMBER QUANTITY PACKAGING -T Tape & Reel NE944-TB Tape & Reel EXCLUSIVE NORTH AMERICAN AGENT FOR RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES Headquarters 459 Patrick Henry Drive Santa Clara, CA 9554-87 (48) 988-5 Telex 4-69 FAX (48) 988-79 4-Hour Fax-On-Demand: 8-9- (U.S. and Canada only) Internet: http://www.cel.com DATA SUBJECT TO CHANGE WITHOUT NOTICE 9//

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