KSC2757
KSC2757
Mixer Oscillator for VHF Tuner
• High Current Gain Bandwidth Product : f
T
=1100MHz (TYP)
3
2
1
SOT-23
1. Base 2. Emitter 3. Collector
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings
T
a
=25°C unless otherwise noted
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
T
J
T
STG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Power Dissipation
Junction Temperature
Storage Temperature
Parameter
Value
30
15
5
50
150
150
-55 ~ +150
Units
V
V
V
mA
mW
°C
°C
Electrical Characteristics
T
a
=25°C unless otherwise noted
Symbol
I
CBO
h
FE
V
CE
(sat)
f
T
C
ob
C
c·rbb’
Parameter
Collector Cut-off Current
DC Current Gain
Collector-Emitter Saturation Voltage
Current Gain Bandwidth Product
Output Capacitance
Noise Figure
Test Condition
V
CB
=12V, I
E
=0
V
CE
=10V, I
C
=5mA
I
C
=10mA, I
B
=1mA
V
CE
=10V, I
C
=5mA
V
CB
=10V, I
E
=0, f=1MHz
V
CE
=10V, I
C
=5mA
f=31.9MHz
10
800
1100
1.5
1.5
Min.
60
Typ.
120
Max.
0.1
240
0.5
V
MHz
pF
ps
Units
µA
h
FE
Classification
Classification
h
FE
R
60 ~ 120
O
90 ~ 180
Y
120 ~ 240
Marking
H3 O
h
FE
grade
©2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
KSC2757
Typical Characteristics
20
I
B
= 180
µ
A
I
B
= 160
µ
A
1000
V
CE
= 10V
I
C
[mA], COLLECTOR CURRENT
16
I
B
= 140
µ
A
h
FE
, DC CURRENT GAIN
I
B
= 120
µ
A
12
I
B
= 100
µ
A
I
B
= 80
µ
A
100
8
I
B
= 60
µ
A
I
B
= 40
µ
A
10
4
I
B
= 20
µ
A
0
0
5
10
15
20
25
1
0.1
1
10
100
V
CE
[V], COLLECTOR-EMITTER VOLTAGE
I
C
[mA], COLLECTOR CURRENT
Figure 1. Static Characteristics
Figure 2. DC Current Gain
1000
10000
V
CE
(sat)[mV], SATURATION VOLTAGE
V
BE
(sat)[mV], SATURATION VOLTAGE
I
C
= 10 I
B
I
C
= 10 I
B
100
1000
10
0.1
1
10
100
100
0.1
1
10
100
I
C
[mA], COLLECTOR CURRENT
I
C
[mA], COLLECTOR CURRENT
Figure 3. Collector-Emitter Saturation Voltage
Figure 4. Base-Emitter Saturation Voltage
f
T
[MHz], CURRENT GAIN BANDWIDTH PRODUCT
10000
100
V
CE
= 10V
1000
C
ob
[pF], OUTPUT CAPACITANCE
f = 1MHz
I
E
=0
10
100
1
10
0.1
1
10
100
0.1
0.1
1
10
100
I
C
[mA], COLLECTOR CURRENT
V
CB
[V], COLLECTOR-BASE VOLTAGE
Figure 5. f
T
- I
C
Figure 6. Output Capacitance
©2002 Fairchild Semiconductor Corporation
Rev. A2, September 2002
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2
C™
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®
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®
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PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
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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
stm32/stm8
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