20 dB. The power amplifier must be biased directly
on both sides of the die.
28
14
RF
OUT
27
25
22
19
17
15
This MMIC uses MACOM’s GaAs pHEMT device
technology and is based upon optical gate
lithography to ensure high repeatability and
uniformity. The chip has surface passivation for
protection and backside via holes and gold
metallization to allow a conductive epoxy die attach
process.
This device is well suited for communication and
radar applications.
V
G
1 V
D
1
V
G
2
V
D
2 V
G
3
V
D
3
Pad Configuration
Pad No.
Function
Description
1
3
6
9
V
G
1
V
D
1
V
G
2
V
D
2
V
G
3
V
D
3
RF
OUT
V
D
3
V
G
3
V
D
2
V
G
2
V
D
1
V
G
1
RF
IN
1
st
Stage Gate Voltage
1
st
Stage Drain Voltage
2
nd
Stage Gate Voltage
2
nd
Stage Drain Voltage
3
rd
Stage Gate Voltage
3
rd
Stage Drain Voltage
RF Output
3
rd
Stage Drain Voltage
3
rd
Stage Gate Voltage
2
nd
Stage Drain Voltage
2
nd
Stage Gate Voltage
1
ST
Stage Drain Voltage
1
st
Stage Gate Voltage
RF Input
Ordering Information
Part Number
MAAP-015024-DIE
MAAP-015024-DIEEV1
MAAP-015024-DIEEV2
Package
Die in vacuum release gel
pack
Direct gate bias sample
board
On chip gate bias sample
board
11
13
14
15
17
19
22
25
27
28
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
1
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
MAAP-015024
Power Amplifier, 8 W
14.5 - 17.5 GHz
Electrical Specifications:
Freq. = 14.5 - 17.5 GHz, T
A
= +25°C, Duty Cycle = 5%, P
IN
= 23 dBm
Parameter
Gain
Gain Flatness
Input Return Loss
Output Return Loss
Reverse Isolation
Saturated Output Power
14.5 - 15.0 GHz
15.0 - 17.5 GHz
Drain Bias Voltage
Gate Bias Voltage
Current
Units
dB
dB
dB
dB
dB
dBm
V
V
A
Min.
—
—
—
—
—
35.0
37.5
—
—
—
Typ.
21.0
+/-1.0
10.0
6.0
50.0
37.5
39.0
8.0
-0.9
5.0
Max.
—
—
—
—
—
—
—
—
7.0
Rev. V3
Absolute Maximum Ratings
1,2
Parameter
Input Power
Gate Voltage
Supply Voltage
Supply Current
Storage Temperature
Operating Temperature
Junction Temperature
3
Absolute Maximum
+30 dBm
-0.5 V < V
G
< -2 V
+8.5 Vdc
7.5 A
-65°C to +165°C
-40°C to +85°C
+175°C
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
2. MACOM does not recommend sustained operation near
these survivability limits.
3.
Operating at nominal conditions with T
J
≤ +175°C will ensure
MTTF > 1 x 10
6
hours.
2
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
MAAP-015024
Power Amplifier, 8 W
14.5 - 17.5 GHz
Bonding Diagram
Schematic
V
D
1
V
D
2
V
D
3
Rev. V3
100 pF
100 pF
100 pF
RF
IN
RF
OUT
100 pF
100 pF
100 pF
100 pF
2.2
µF
2.2
µF
2.2
µF
V
G
1
V
G
2
V
G
3
V
D
3
MMIC Bare Die
3
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
MAAP-015024
Power Amplifier, 8 W
14.5 - 17.5 GHz
Typical Performance Curves
Gain vs. Frequency
35
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 6.5
-0.8 V, VD= 6.5
-0.7 V, VD= 6.5
-0.9 V, VD= 7.0
-0.8 V, VD= 7.0
-0.7 V, VD= 7.0
V
V
V
V
V
V
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 7.5
-0.8 V, VD= 7.5
-0.7 V, VD= 7.5
-0.9 V, VD= 8.0
-0.8 V, VD= 8.0
-0.7 V, VD= 8.0
V
V
V
V
V
V
Rev. V3
Reverse Isolation vs. Frequency
0
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 6.5
-0.8 V, VD= 6.5
-0.7 V, VD= 6.5
-0.9 V, VD= 7.0
-0.8 V, VD= 7.0
-0.7 V, VD= 7.0
V
V
V
V
V
V
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 7.5
-0.8 V, VD= 7.5
-0.7 V, VD= 7.5
-0.9 V, VD= 8.0
-0.8 V, VD= 8.0
-0.7 V, VD= 8.0
V
V
V
V
V
V
30
-20
25
-40
20
-60
15
-80
10
14
15
16
17
18
-100
14
15
16
17
18
Frequency (GHz)
Frequency (GHz)
Input Return Loss vs. Frequency
0
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 6.5
-0.8 V, VD= 6.5
-0.7 V, VD= 6.5
-0.9 V, VD= 7.0
-0.8 V, VD= 7.0
-0.7 V, VD= 7.0
V
V
V
V
V
V
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 7.5
-0.8 V, VD= 7.5
-0.7 V, VD= 7.5
-0.9 V, VD= 8.0
-0.8 V, VD= 8.0
-0.7 V, VD= 8.0
V
V
V
V
V
V
Output Return Loss vs. Frequency
10
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 6.5
-0.8 V, VD= 6.5
-0.7 V, VD= 6.5
-0.9 V, VD= 7.0
-0.8 V, VD= 7.0
-0.7 V, VD= 7.0
V
V
V
V
V
V
VG=
VG=
VG=
VG=
VG=
VG=
-0.9 V, VD= 7.5
-0.8 V, VD= 7.5
-0.7 V, VD= 7.5
-0.9 V, VD= 8.0
-0.8 V, VD= 8.0
-0.7 V, VD= 8.0
V
V
V
V
V
V
-5
5
-10
0
-15
-5
-20
-10
-25
14
15
16
17
18
-15
14
15
16
17
18
Frequency (GHz)
Frequency (GHz)
Output Power vs. Frequency, V
G
= -0.9 V, V
D
= 8 V
50
Pin = 9 dBm
Pin = 10 dBm
Pin = 10.9 dBm
Pin = 11.9 dBm
Pin = 12.8 dBm
Pin = 13.7 dBm
Pin = 14.7 dBm
Pin = 15.6 dBm
Pin = 16.6 dBm
Pin = 17.6 dBm
Pin = 18.6 dBm
Pin = 19.7 dBm
Pin = 20.7 dBm
Pin = 21.6 dBm
Pin = 22.5 dBm
Pin = 23.3 dBm
Pin = 24.1 dBm
Pin = 24.7 dBm
Pin = 25.1 dBm
Current vs. Frequency, V
G
= -0.9 V, V
D
= 8 V
7
6
5
4
3
2
Pin = 23.3 dBm
45
40
35
30
1
0
25
14
15
16
17
18
14
15
16
17
18
4
Frequency (GHz)
Frequency (GHz)
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
•
North America
Tel: 800.366.2266 / Fax: 978.366.2266
•
Europe
Tel: 44.1908.574.200 / Fax: 44.1908.574.300
•
Asia/Pacific
Tel: 81.44.844.8296 / Fax: 81.44.844.8298
MAAP-015024
Power Amplifier, 8 W
14.5 - 17.5 GHz
Typical Performance Curves
Gain vs. Output Power
30
14.0 GHz
14.5 GHz
15.0 GHz
15.5 GHz
16.0 GHz
16.5 GHz
17.0 GHz
17.5 GHz
18.0 GHz
Rev. V3
Gain @ 14.5 GHz vs. Output Power
30
25
25
20
20
15
10
15
+25°C
-40°C
+85°C
5
25
30
35
40
10
25
30
35
40
Output Power (dBm)
Output Power (dBm)
Gain @ 15.0 GHz vs. Output Power
30
Gain @ 15.5 GHz vs. Output Power
30
25
25
20
20
15
+25°C
-40°C
+85°C
15
+25°C
-40°C
+85°C
10
25
30
35
40
10
25
30
35
40
Output Power (dBm)
Output Power (dBm)
PAE vs. Output Power
0.25
14.0 GHz
14.5 GHz
15.0 GHz
15.5 GHz
16.0 GHz
16.5 GHz
17.0 GHz
17.5 GHz
18.0 GHz
0.20
0.15
0.10
0.05
0.00
28
30
32
34
36
38
40
42
Output Power (dBm)
5
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macomtech.com for additional data sheets and product information.
C++ 属于面向对象的编程语言，OOP的思想不必多说，特别对于复杂的软件工程来说，利用OOP绝对是事半功倍，相对于传统的C来说； 当然用C来写单片机程序无可厚非，已经延续了一个传统，从大学时学的开始到工作岗位，好多人都是一直用C来做，但是既然Keil支持C++编译， 可以用C++来编写你的代码，可以利用高级语言来结构化，清晰化你的程序，为嘛不用呢！哈哈，个人看法！下面进入正题： C+...[详细]
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