KSC3123
KSC3123
Mixer for UHF TV Tuner
• GCE=23dB • CRE=0.4pF
3
2 1 SOT-23 1. Base 2. Emitter 3. Collector
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings Ta=25°C unless otherwise noted
Symbol VCBO VCEO VEBO IC IB PC TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Base Current Collector Power Dissipation Junction Temperature Storage Temperature Value 30 20 3 50 25 150 1500 -55 ~ 150 Units V V V mA mA mW °C °C
Electrical Characteristics Ta=25°C unless otherwise noted
Symbol BVCEO ICBO IEBO hFE fT CRE GCE NF Parameter Collector-Emitter Breakdown Voltage Collector Cut-off Current Emitter Cut-off Current DC Current Gain Current Gain Bandwidth Product Reverse Transfer Capacitance Conversion Gain Output Capacitance Test Condition IC=1mA, IB=0 VCB=25V, IE=0 VEB=3V, IC=0 VCE=10V, IC=5mA VCE=10V, IC=5mA VCB=10V, IE=0, f=1MHz VCC=12V, f=200MHz fL=260MHz VCE=12V, f=200MHz, fL=260MHz 20 60 900 1400 0.4 23 3.8 5.5 0.5 Min. 20 Typ. Max. 0.1 1 240 MHz pF dB dB Units V µA µA
hFE Classification
Classification hFE R 60 ~ 120 Marking O 90 ~ 180 Y 120 ~ 240
HA O
hFE grade
©2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC3123
Typical Characteristics
fT(MHz), CURRENT GAIN-BANDWIDTH PRODUCT
1000
10000
B B
hFE, DC CURRENT GAIN
100
1000
10 0.1
1
10
100 0.1
1
10
IC[mA], COLLECT CURRENT
IC(mA), COLLECT CURRENT
Figure 1. DC current Gain
Figure 2. Current Gain Bandwidth Product
10
Cre(pF), REVERSE TRANSFER CAPACITANCE
28 32
GCE(dB), CONVERSION GAIN
24 28 GCE 20
24
16 20 12 16 8 12 NF 8 4
1
0.1 0.1
0
1
10
-20
-16
-12
-8
-4
0
4
8
VCB(V), COLLECTOR-BASE VOLTAGE
Figure 3. CRE-VCB
Figure 4. GCE, NF-
30 28
180
PC(mW), COLLECTOR DISSIPATION
26 24
150
GCE(dB), POWER GAIN
22 20 18 16 14 12 10 8 6 0 2 4 6 8 10 12 14
120
90
60
30
0 0 20 40
o
60
80
100
120
140
IC(mA), COLLECT CURRENT
TA[ C], AMBIENT TEMPERATURE
Figure 5. GCE-IC
Figure 6. PC-TA
©2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
NF(dB), NOISE FIGURE
KSC3123
Typical Characteristics (Continued)
Figure 7.
Figure 8.
Figure 9.
©2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC3123
Package Dimensions
SOT-23
0.20 MIN 2.40
±0.10
0.40 ±0.03
1.30
±0.10
0.45~0.60
0.03~0.10 0.38 REF
0.40 ±0.03 0.96~1.14 2.90 ±0.10
0.12 –0.023
+0.05
0.95 ±0.03 0.95 ±0.03 1.90 ±0.03 0.508REF
0.97REF
Dimensions in Millimeters
©2002 Fairchild Semiconductor Corporation Rev. A2, September 2002
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks.
ACEx™ FACT™ ActiveArray™ FACT Quiet series™ Bottomless™ FAST® FASTr™ CoolFET™ CROSSVOLT™ FRFET™ GlobalOptoisolator™ DOME™ EcoSPARK™ GTO™ E2CMOS™ HiSeC™ EnSigna™ I2C™ Across the board. Around the world.™ The Power Franchise™ Programmable Active Droop™ DISCLAIMER
ImpliedDisconnect™ ISOPLANAR™ LittleFET™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™
PACMAN™ POP™ Power247™ PowerTrench® QFET™ QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ SILENT SWITCHER® SMART START™
SPM™ Stealth™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ TruTranslation™ UHC™ UltraFET® VCX™
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS Definition of Terms
Datasheet Identification Advance Information Product Status Formative or In Design First Production Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
©2002 Fairchild Semiconductor Corporation
Rev. I1
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