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參數資料
| 型號： | AH3WB-PCB |
| 英文描述： | High Dynamic Range Gain Block |
| 中文描述： | 高動態(tài)范圍增益模塊 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 114K |
| 代理商： | AH3WB-PCB |
Specifications and information are subject to change without notice.
WJ Communications, Inc
Phone 1-800-WJ1-4401
FAX: 408-577-6621
e-mail: sales@wj.com
Web site: www.wj.com
Page 1 of 4 April 2006
AH3
High Dynamic Range Gain Block
Product Information
The Communications Edge
TM
Product Features
50 – 870 MHz
+41 dBm OIP3
3 dB Noise Figure
13 dB Gain
+20 dBm P1dB
Lead-free/Green/
RoHS-compliant
SOT-89 Package
Single +5 V Supply
MTTF > 100 years
Applications
Mobile Infrastructure
CATV / DBS
RFID
Mobile Wireless
Specifications
(1)
Product Description
The AH3 is a high dynamic range amplifier in a low-cost
surface-mount package. The combination of low noise
figure and high output IP3 at the same bias point makes it
ideal for receiver and transmitter applications. The device
combines dependable performance with superb quality to
maintain MTTF values exceeding 100 years at mounting
temperatures of +85
°
C. The AH3 is available in the
environmentally-friendly lead-free/green/RoHS-compliant
SOT-89 package.
The broadband amplifier uses a high reliability GaAs
MESFET technology and is targeted for applications where
high linearity is required. In addition, the AH3 is internally
matched for 50 ohms.
Functional Diagram
GND
RF IN
GND
RF OUT
1
2
3
4
Function
Input
Output/Bias
Ground
Pin No.
1
3
2, 4
Parameter
Operational Bandwidth
Test Frequency
Gain
Input Return Loss
Output Return Loss
Output P1dB
Output IP3
(2)
Noise Figure
(3)
Operating Current Range
Supply Voltage
Units
MHz
MHz
dB
dB
dB
dBm
dBm
dB
mA
V
Min
50
Typ
800
12.9
10
20
+20
+41
2.9
150
5
Max
870
12
+37
120
14
180
1. Test conditions unless otherwise noted: T = 25 oC, 50
Ω
system.
2. 3OIP measured with two tones at an output power of +5 dBm/tone separated by 10 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
3. Noise figure can be optimized by matching the input for optimal return loss.
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
Supply Voltage
RF Input Power (continuous)
Junction Temperature
Rating
-40 to +85
°
C
-55 to +125
°
C
+6 V
+10 dBm
+220
°
C
Operation of this device above any of these parameters may cause permanent damage.
Typical Performance
(4)
Parameter
Frequency
S21
S11
S22
Output P1dB
Output IP3
(2)
Noise Figure
Supply Voltage
Device Current
Units
MHz
dB
dB
dB
dBm
dBm
dB
V
mA
Typical
450
13
-16
-16
+20
+40
3.5
5
150
50
13.2
-8.4
-18.7
+20
+36
6
800
12.5
-15
-15
+20
+41
3.4
4. Parameters reflect performance in an AH3WB-PCB application circuit, as shown on page 3.
Ordering Information
Part No.
AH3-G
AH3WB-PCB
Description
High Dynamic Range Amplifier
(lead-free/green/RoHS-compliant SOT-89 package)
50 – 870 MHz Fully Assembled Application Circuit
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