AH3 Просмотр технического описания (PDF) - WJ Communications => Triquint
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AH3 Datasheet PDF : 4 Pages
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AH3
High Dynamic Range Gain Block
The Communications Edge TM
Product Information
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
Product Description
Functional Diagram
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.
GND
4
1
RF IN
2
GND
3
RF OUT
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.
Function
Input
Output/Bias
Ground
Pin No.
1
3
2, 4
Specifications (1)
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
12
+37
120
Typ
800
12.9
10
20
+20
+41
2.9
150
5
Max
870
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.
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
50
450
800
13.2
13
12.5
-8.4
-16
-15
-18.7 -16
-15
+20
+20
+20
+36
+40
+41
6
3.5
3.4
5
150
4. Parameters reflect performance in an AH3WB-PCB application circuit, as shown on page 3.
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
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
Operation of this device above any of these parameters may cause permanent damage.
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
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