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KSC2756
KSC2756
Mixer for VHF TV Tuner
* High Conversion Gain : GCE = 23dB (TYP.)
3
2 1
SOT-23
1. Base 2. Emitter 3. Collector
NPN Epitaxial Silicon Transistor Absolute Maximum Ratings Ta=25C unless otherwise noted
Symbol VCBO VCEO VEBO IC PC TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Power Dissipation Junction Temperature Storage Temperature Value 30 20 4 30 150 150 -55 ~ +150 Units V V V mA mW C C
Electrical Characteristics Ta=25C unless otherwise noted
Symbol ICBO hFE VCE (sat) fT CRE GCE NF Parameter Collector Cut-off Current DC Current Gain Collector-Emitter Saturation Voltage Current Gain Bandwidth Product Reverse Transfer Capacitance Conversion Gain Noise Figure Test Condition VCB=20V, IE=0 VCE=10V, IC=5mA IC=10mA, IB=1mA VCE=10V, IC=5mA VCB=10V, IE=0, f=1MHz VCE=10V, IC=3mA fRF=200MHz, fIF=58MHz VCE=10V, IC=3mA fRF=200MHz, fIF=58MHz 15 500 850 0.35 23 6.5 0.5 Min. 60 Typ. 120 Max. 0.1 240 0.5 V MHz pF dB dB Units A
hFE Classification
Classification hFE R 60 ~ 120 Marking O 90 ~ 180 Y 120 ~ 240
H2 O
hFE grade
(c)2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC2756
Typical Characteristics
10
IB = 90A IB = 80A
1000
VCE = 10V
IC[mA], COLLECTOR CURRENT
8
IB = 60A
6
hFE, DC CURRENT GAIN
IB = 70A
100
IB = 50A IB = 40A
4
IB = 30A IB = 20A
2
10
IB = 10A
0 0 4 8 12 16 20
1 0.1
1
10
100
VCE[V], COLLECTOR-EMITTER VOLTAGE
IC [mA], COLLECTOR CURRENT
Figure 1. Static Charateristics
Figure 2. DC Current Gain
10000
fT[MHz], CURRENT GAIN BANDWIDTH PRODUCT
10000
VCE(sat)[mV], SATURATION VOLTAGE VBE(sat)[mV], SATURATION VOLTAGE
IC = 10 IB
VCE = 10 V
1000
1000
VBE (sat)
100
100
VCE (sat)
10 0.1
1
10
100
10 0.1
1
10
100
IC [mA], COLLECTOR CURRENT
IC [mA], COLLECTOR CURRENT
Figure 3. Saturation Voltage
Figure 4. fT - IC
Cre[pF], REVERSE TRANSFER CAPACITANCE
10
200
f = 1 MHz IE = 0
PC[mW], POWER DISSIPATION
150
1
100
0.1
50
0.01 0.1
0
1 10 100
0
25
50
o
75
100
125
150
175
200
VCB[V], COLLECTOR-BASE VOLTAGE
Ta[ C], AMBIENT TEMPERATURE
Figure 5. Cre - VCB
Figure 6. Power Derating
(c)2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC2756
Typical Characteristics (Continued)
60 0.0
yid=gie + jbie VCE=10V
-0.2
IC=3mA 5mA f=100MHz
yre=gre + jbre VCE =10V
bie[ms], SUSCEPTANCE
40
bre[ms], SUSCEPTANCE
-0.4
200MHz
300MHz
20
200 MHz f = 100 MHz 5mA Ic=3mA
400MHz 10mA
-0.6
300MHz
-0.8
400MHz 10mA
20 40 60 -1.0 -0.2 0.0 0.2 0.4 0.6 0.8
0 0
gie[ms], CONDUCTANCE
gre[ms], CONDUCTANCE
Figure 7. yie - f
Figure 8. yre - f
30
5
0
yfe=gfe + jbfe VCE=10V
3mA
4
yoe=goe + jboe VCE=10V
5mA 10mA 400MHz
-30
boe[ms], SUSCEPTANCE
bfe[ms], SUSCEPTANCE
3
5mA
-60
300MHz
2
-90
400MHz
-120
IC=3mA
1
200MHz
300MHz
-150 -50 0 50
200MHz
IC=10mA f=100MHz
0 0.0
f=100MHz
100
150
200
250
0.2
0.4
0.6
0.8
1.0
gfe[ms], CONDUCTANCE
goe[ms], CONDUCTANCE
Figure 9.
Figure 10. yoe - f
24
fRF = 200MHz, 80dBuV/50ohm fLocal = 258MHz
Gce [dB], CONVERSION GAIN
15
25
20
GCE[dB], CONVERSION GAIN
NF[dB], NOISE FIGURE
Gce
16
20
12
10
15
8
10
NF
4
fRF = 200 MHz, 80 dBuV/50ohm fLocal = 258 MHz, 105 dBuV/50ohm at SG OUTPUT LEVEL
0 5 10
5 90 100 110
5
0
[dBuV/50ohm], OSC LEVEL
IC [mA], COLLECTOR CURRENT
Figure 11. NF, GCE - OSC Level
Figure 12. Conversion Gain
(c)2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC2756
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
(c)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.
ACExTM FACTTM ActiveArrayTM FACT Quiet seriesTM BottomlessTM FAST(R) FASTrTM CoolFETTM CROSSVOLTTM FRFETTM GlobalOptoisolatorTM DOMETM EcoSPARKTM GTOTM E2CMOSTM HiSeCTM EnSignaTM I2CTM Across the board. Around the world.TM The Power FranchiseTM Programmable Active DroopTM DISCLAIMER
ImpliedDisconnectTM ISOPLANARTM LittleFETTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM
PACMANTM POPTM Power247TM PowerTrench(R) QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SILENT SWITCHER(R) SMART STARTTM
SPMTM StealthTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogicTM TruTranslationTM UHCTM UltraFET(R) VCXTM
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
(c)2002 Fairchild Semiconductor Corporation
Rev. I1

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