QPA4586A
®
DC – 4000 MHz Cascadable SiGe HBT Amplifier
General Description
The QPA4586A is a high performance SiGe HBT MMIC
Amplifier. A Darlington configuration provides high F
T
and
excellent thermal performance. The heterojunction
increases breakdown voltage and minimizes leakage
current between junctions. Cancellation of emitter junction
non-linearities results in higher suppression of
intermodulation products. Only two DC-blocking capacitors,
a bias resistor, and an optional RF choke are required for
operation.
4 Lead SOT-86 Package
Product Features
High Gain: 19.9 dB at 1950 MHz
Cascadable 50 Ω
Operates from Single Supply
Low Thermal Resistance Package
Applications
Functional Block Diagram
Instrumentation
Repeaters
Boosters
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
4
IF Amplifier
Wireless Data, Satellite
1
3
2
Ordering Information
Top View
Part No.
QPA4586ATR13
QPA4586ASQ
QPA4586ASR
Description
3000 pieces on a 13” reel (standard)
25 Piece Sample Bag
100 Pieces on 7” Reel
QPA4586APCK401 850 MHz, +5 V EVB with 5 Piece Sample Bag
Data Sheet Rev.C, May 12, 2016 | Subject to change without notice
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QPA4586A
®
DC – 4000 MHz Cascadable SiGe HBT Amplifier
Absolute Maximum Ratings
Parameter
Storage Temp
Device Voltage (V
D
)
Device Current (I
D
)
RF Input Power
Rating
−55 to +150 °C
+5 V
90 mA
+18 dBm
Recommended Operating Conditions
Parameter
Min
Operating Temperature
−55
Junction Temperature (T
J
)
Device Operating Voltage +3.2
Typ
Max
+105
+125
+3.8
Units
°C
°C
V
+3.5
Exceeding any one or a combination of the Absolute Maximum Rating
conditions may cause permanent damage to the device. Extended
application of Absolute Maximum Rating conditions to the device may
reduce device reliability.
Electrical specifications are measured at specified test conditions.
Specifications are not guaranteed over all recommended operating
conditions.
Electrical Specifications
Parameter
Small Signal Gain
Conditions
850 MHz
1950 MHz
2400 MHz
850 MHz
1950 MHz
850 MHz
1950 MHz
1950 MHz
1950 MHz
1950 MHz
Min
Typ
23.3
19.9
18.6
+15.7
+16.3
+29.7
+30.1
16.3
24.2
2.7
45
86
Max
Units
dB
dB
dB
dBm
dBm
dBm
dBm
dB
dB
dB
mA
°C/W
Output Power at 1dB Compression
Output Third Intercept Point
Input Return Loss
Output Return Loss
Noise Figure
Device Operating Current
Thermal Resistance, θjc
Notes:
1. Test conditions unless otherwise noted: V
S
= +8 V, I
D
= 45 mA Typ., OIP3 Tone Spacing=1 MHz, P
OUT
per tone = 0 dBm, R1 = 100 Ω, 50 Ω system,
Temp = +25 °C
Data Sheet Rev.C, May 12, 2016 | Subject to change without notice
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QPA4586A
®
DC – 4000 MHz Cascadable SiGe HBT Amplifier
Evaluation Board and Schematic – 850 MHz Application Circuit
Bill of Material – 850 MHz Application Circuit
Reference
n/a
C1
C2
C3
C4, C5
R1
L1
J1, J2
U1
J3, J4
Value
n/a
1 uF
1000 pF
68 pF
100 pF
100 Ω
33 nH
n/a
n/a
n/a
Description
PCB, QPA4586A
CAP, 10%, 25V, X7R, 1206
CAP, 10%, 50V, X7R, 0402
CAP, 5%, 50V, C0G, 0402
CAP, 5%, 50V, C0G, 0402
RES, 5%, 1/2W, 1210
IND, 5%, M/L, 0603
CONN, SMA, EL, FLT, 0.068" SPE-000318
HBT MMIC Amplifier
CONN, HDR, ST, 1x2, 0.100", Hi-temp, T/H
Manufacturer
Qorvo
Murata Electronics
Murata Electronics
Murata Electronics
Murata Electronics
Panasonic Industrial Co
Murata Electronics
Amphenol RF Asia Corp
Qorvo
Samtec Inc
Part Number
QPAXX86A-410(A)
GRM31MR71E105KA01L
GRM155R71H102KA01D
GRM1555C1H680JA01D
GRM1555C1H101JA01D
ERJ-14NF1400U
LL1608-FSL33NJ
901-10426
QPA4586A
HTSW-102-07-G-S
Component Values for Specific Frequencies
Frequency
C4, C5
C3
L1
500 MHz
220 pF
100 pF
68 nH
850 MHz
100 pF
68 pF
33 nH
1950 MHz
68 pF
22 pF
22 nH
2400 MHz
56 pF
22 pF
18 nH
3500 MHz
39 pF
15 pF
15 nH
Recommended Bias Resistor Values for Various Supply Voltages
Vsupply
R1
+6 V
51 Ω
+8 V
100 Ω
+10 V
150 Ω
+12 V
180 Ω
Data Sheet Rev.C, May 12, 2016 | Subject to change without notice
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QPA4586A
®
DC – 4000 MHz Cascadable SiGe HBT Amplifier
Typical Performance
– 850 MHz Application Circuit
Parameter
Frequency
Small Signal Gain
Output Third Intercept Point
Output Power at 1dB Compression
Input Return Loss
Output Return Loss
Reverse Isolation
Noise Figure
500
24.1
+28.6
+15.2
20.5
13.4
26.5
2.6
850
23.3
+29.9
+15.7
30.0
20.4
25.8
2.4
Typical Value
1950
19.9
+30.1
+16.3
16.3
24.2
23.7
2.7
2400
18.6
+29.6
+16.0
15.4
20.2
23.0
2.9
3500
15.9
+26.4
+14.4
13.0
17.9
21.9
3.2
Units
MHz
dB
dBm
dBm
dB
dB
dB
dB
Notes:
1. Test conditions: V
S
= +8 V, I
D
= 45 mA Typ., OIP3 Tone Spacing=1 MHz, P
OUT
per tone = 0 dBm, R1 = 100 Ω, 50 Ω system, Temp = +25 °C
Performance Plots – 850 MHz Application Circuit
Test conditions unless otherwise noted: V
S
= +8.0 V, I
D
= 45 mA, Temp.= +25 °C
25
|S21| vs. Frequency
0
-5
-10
|S11| vs. Frequency
0
-5
|S22| vs. Frequency
+105°C
+85°C
+25°C
20
-10
|S21| (dB)
|S22| (dB)
|S11| (dB)
-15
-20
-25
-30
-35
+105°C
+85°C
+25°C
−40°C
−40°C
-15
-20
-25
-30
15
+105°C
+85°C
+25°C
−40°C
10
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
-15
|S12| vs. Frequency
34
OIP3 vs Frequency
18
OP1dB vs Frequency
31
16
OP1dB (dBm)
OIP3 (dBm)
-20
|S12| (dB)
28
14
+105°C
25
+105°C
+85°C
+25°C
12
+85°C
+25°C
−40°C
-25
+105°C
+85°C
+25°C
−40°C
22
−40°C
10
-30
0
1000
2000
3000
4000
5000
19
500
1000
1500
2000
2500
3000
3500
8
500
1000
1500
2000
2500
3000
3500
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
5
Noise Figure vs Frequency
0.06
0.05
Current vs Voltage
4
Noise Figure (dB)
0.04
+105°C
+85°C
+25°C
−40°C
3
+105°C
2
+85°C
+25°C
−40°C
1
0
1000
2000
3000
4000
ID (A)
0.03
0.02
0.01
0.00
0
1
2
3
4
5
6
7
8
9
Frequency (MHz)
VS (V)
Data Sheet Rev.C, May 12, 2016 | Subject to change without notice
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QPA4586A
®
DC – 4000 MHz Cascadable SiGe HBT Amplifier
Pin Configuration and Description
4
1
3
2
Top View
Pad No.
1
2, 4
3
Label
RF
IN
GND
RF
OUT
Description
RF Input Pin. This pin requires the use of an external DC blocking capacitor chosen for the frequency of
operation.
Connection to ground. Use via holes in PCB for best performance to reduce lead inductance as close to
ground leads as possible
RF Output and Bias Pin. DC voltage is present on this pin, therefore a DC blocking capacitor is
necessary for proper operation.
Package Marking
Data Sheet Rev.C, May 12, 2016 | Subject to change without notice
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