Figure 1. AT-41586 Noise Figure and
Associated Gain vs. Frequency at
VCE = 8 V, IC= 10 mA.
G
A
NF
O
FREQUENCY (GHz)
4.01.0
3.02.0
Description
Hewlett-Packard’s AT-41586 is a
general purpose NPN bipolar
transistor that offers excellent
high frequency performance. The
AT-41586 is housed in a low cost
surface mount .085" diameter
plastic package. The 4 micron
emitter-to-emitter pitch enables
this transistor to be used in many
different functions. The 14 emitter
finger interdigitated geometry
yields an intermediate sized
transistor with impedances that
are easy to match for low noise
and moderate power applications.
Applications include use in
wireless systems as an LNA, gain
stage, buffer, oscillator, and
mixer. An optimum noise match
near 50 Ω in the 1 to 2 GHz
frequency range, makes this
4
device easy to use as a low noise
amplifier.
O
2
NF (dB)
0
The AT-41586 bipolar transistor is
fabricated using Hewlett-Packard’s
10 GHz fT Self-Aligned-Transistor
(SAT) process. The die is nitride
passivated for surface protection.
86 Plastic Package
Pin Connections
EMITTER
4
BASE
1
415
2
EMITTER
Excellent device uniformity,
performance and reliability are
produced by the use of ionimplantation, self-alignment
techniques, and gold metalization
in the fabrication of this device.
COLLECTOR
3
5965-8908E
4-144
Page 2
AT-41586 Absolute Maximum Ratings
[1]
Absolute
Symbol ParameterUnitsMaximum
V
EBO
V
CBO
V
CEO
I
C
P
T
T
j
T
STG
Notes:
1. Operation of this device above any one of these parameters may cause permanent damage.
2. T
= 25°C.
CASE
3. See MEASUREMENTS section, “Thermal Resistance,” for more information.
Emitter-Base VoltageV1.5
Collector-Base VoltageV20
Collector-Emitter VoltageV12
Collector CurrentmA60
Power Dissipation
[2]
mW500
Junction Temperature°C150
Storage Temperature°C-65 to 150
[1]
Thermal Resistance:
θ
=165°C/W
jc
[3]
Electrical Specifications, T
= 25° C, V
A
= 8 V
CE
Symbol Parameters and Test ConditionsUnitMin.Typ.Max.
NF
Optimum Noise Figure: IC = 10 mAf = 1.0 GHzdB1.4
o
f = 2.0 GHz1.7
f = 4.0 GHz3.0
G
Gain @ NF0: IC = 10 mAf = 1.0 GHzdB17.0
A
f = 2.0 GHz12.5
f = 4.0 GHz8.0
2
|S
|
21E
Insertion Power Gain: IC = 25 mAf = 1.0 GHzdB17.0
f = 2.0 GHz11.0
P
1dB
G
1dB
f
T
h
FE
I
CBO
I
EBO
Note:
1. For more information on outlines 86, refer to “Tape and Reel Packaging for Surface Mount Devices.”
16
14
A
G (dB)
12
10
030
Figure 2. AT-41586 Optimum Noise
Figure and Associated Gain vs. Collector Current at VCE = 8 V, f = 2.0 GHz.
Power Output @ 1 dB Gain Compression: IC = 25 mAf = 2.0 GHzdBm18.0
1 dB Compressed Gain: IC = 25 mAf = 2.0 GHzdB13.0
Gain Bandwidth Product: IC = 25 mAGHz8.0
Forward Current Transfer Ratio: IC = 10 mA30150270
Collector Cutoff Current: V
Emitter Cutoff Current: V
G
A
NF
O
1020
I (mA)
C
4
2
0
= 8 VµA0.2
CB
= 1 VµA1.0
EB
20
18
P
1dB
16
14
G
1dB
12
10
GAIN (dB)
8
6
4
O
2
NF (dB)
0
1020
COLLECTOR CURRENT
Figure 3. AT-41586 P
Collector Current at VCE = 8 V,
1dB
f␣ =␣ 2.0␣ GHz.
30
and G
1dB
40
vs.
20
1.0 GHz
15
I (mA)
C
2.0 GHz
4.0 GHz
2
10
21E
|S | (dB)
5
0
02540
510
Figure 4. AT-41586 Insertion Power
Gain vs. Collector Current and
Frequency at 25°C, V
CE
= 8 V.
30
4-145
Page 3
AT-41586 Typical Scattering Parameters at T
VCE = 8 V, IC = 10 mA, Z
Frequency
= 50 Ω
o
S
11
S
21
= 25° C
A
S
12
(GHz)Mag.Ang.(dB)Mag.Ang.(dB)Mag.Ang.Mag.Ang.
0.1000.78-3928.426.3154-36.40.015710.91-16
0.2000.71-7126.922.1134-31.70.026590.79-27
0.3000.65-9525.218.1122-29.80.032500.67-34
0.4000.61-11323.515.0119-28.80.036440.58-38
0.5000.59-12722.012.6114-28.10.039430.52-40
0.6000.57-13720.710.8100-27.50.042430.47-40
0.7000.56-14619.69.595-27.10.044430.44-41
0.8000.56-15418.58.491-26.50.047430.42-41
0.9000.55-16017.67.686-26.10.049440.40-42
1.0000.55-16616.86.983-25.80.051470.38-42
1.5000.5517313.44.770-23.80.064490.34-45
2.0000.5715710.93.557-22.00.079490.32-52
2.5000.591449.22.944-20.60.093480.31-61
3.0000.621337.62.434-19.30.108470.30-71
3.5000.641236.02.025-18.10.124450.30-83
4.0000.671145.11.816-17.00.141420.31-95
4.5000.701064.11.65-15.90.159390.32-108
5.0000.73992.91.4-3-15.00.176350.32-121
5.5000.76931.61.2-8-14.20.193310.34-135
6.0000.78880.81.1-18-13.50.209310.36-150
S
22
AT-41586 Typical Noise Parameters at T
Z
= 50 Ω, I
O
FrequencyNF
(GHz)(dB)Mag.Ang.R
= 10 mA, V
C
CE
= 8 V
O
Γ
opt
0.11.30.1230.17
0.51.30.10160.17
1.01.40.04430.16
2.01.70.12-1450.16
= 25° C,
C
/50 Ω
N
35
30
25
20
15
GAIN (dB)
10
5
0
0.1
Figure 5. AT-41586 Insertion Power
Gain, Maximum Available Gain and
Maximum Stable Gain vs. Frequency
at VCE = 8 V, IC = 10 mA.
|S |
21E
MSG
2
MAG
FREQUENCY (GHz)
6.01.0
4-146
Page 4
AT-41586 Typical Scattering Parameters at T
VCE = 8 V, IC = 25 mA, Z
Frequency
= 50 Ω
o
S
11
S
21
= 25° C
A
S
12
(GHz)Mag.Ang.(dB)Mag.Ang.(dB)Mag.Ang.Mag.Ang.
0.1000.64-6131.939.4154-37.00.014640.82-24
0.2000.59-10129.228.7169-33.10.022530.64-35
0.3000.56-12526.621.4124-31.70.026490.53-38
0.4000.55-14024.617.0111-30.40.030490.47-39
0.5000.54-15122.914.0104-29.60.033500.43-38
0.6000.54-15921.411.797-28.80.036520.40-38
0.7000.54-16620.110.191-28.10.039530.40-37
0.8000.54-17119.08.986-27.50.042550.38-37
0.9000.54-17618.07.981-26.90.045560.37-37
1.0000.5517717.17.277-26.30.048570.36-37
1.5000.5716413.64.864-23.80.064590.34-42
2.0000.5715211.13.655-21.90.080570.32-49
2.5000.601419.22.944-20.00.100550.31-58
3.0000.621327.62.434-18.40.120520.31-68
3.5000.641246.42.124-17.00.140490.31-80
4.0000.671165.61.918-14.80.180450.32-94
4.5000.701094.11.69-15.90.160450.30-109
5.0000.731023.51.51-15.30.170420.30-123
5.5000.77962.31.3-7-14.40.190380.32-138
6.0000.76901.61.2-14-13.90.200330.35-152
S
22
Outline 86 Dimensions
0.51 ± 0.13
1.52 ± 0.25
(0.060 ± 0.010)
0.66 ± 0.013
(0.026 ± 0.005)
0.30 MIN
(0.012 MIN)
(0.020 ± 0.005)
45°
(0.105 ± 0.15)
DIMENSIONS ARE IN MILLIMETERS (INCHES)
4
1
2
2.67 ± 0.38
5° TYP.
2.16 ± 0.13
(0.085 ± 0.005)
AT-41586 Ordering Information
C
L
3
2.34 ± 0.38
(0.092 ± 0.015)
0.203 ± 0.051
(0.006 ± 0.002)
8° MAX
0° MIN
Part NumberIncrementComments
AT-41586-BLK100Bulk
AT-41586-TR110007 " Reel
4-147
Page 5
Device Orientation
REEL
CARRIER
TAPE
USER
FEED
DIRECTION
COVER TAPE
Tape Dimensions and Product Orientation
t
COVER
TAPE
K
TP
CAVITY
PERFORATION
CARRIER TAPE
COVER TAPE
DISTANCE
BETWEEN
CENTERLINE
P
D
0
0
10 PITCHES CUMULATIVE
P
2
TOLERANCE ON TAPE ±0.2 MM
E
A
C
DESCRIPTIONSYMBOLSIZE (mm)SIZE (INCHES)
LENGTH
WIDTH
DEPTH
PITCH
BOTTOM HOLE DIAMETER
DIAMETER
PITCH
POSITION
WIDTH
THICKNESS
WIDTH
TAPE THICKNESS
CAVITY TO PERFORATION
(WIDTH DIRECTION)
CAVITY TO PERFORATION
(LENGTH DIRECTION)
B
1
A
6.45 ± 0.10
0
5.13 ± 0.10
B
0
2.11 ± 0.10
K
0
8.00 ± 0.10
P
1
1.50 min.
D
1
D
1.50 + 0.10/-0
0
4.00 ± 0.10
P
0
1.75 ± 0.10
E
W
8.00 ± 0.30
t
0.255 ± 0.013
C
9.19 ± 0.10
T
0.051 ± 0.010
t
F
5.51 ± 0.05
P
2.00 ± 0.05
2
F
W
D
1
0.254 ± 0.004
0.202 ± 0.004
0.083 ± 0.004
0.315 ± 0.004
0.059 min.
0.059 + 0.004/-0
0.157 ± 0.004
0.069 ± 0.004
0.315 ± 0.012
0.0100 ± 0.0005
0.362 ± 0.004
0.0020 ± 0.0004
0.217 ± 0.002
0.079 ± 0.002
USER FEED
DIRECTION
4-148
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