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WJA1505 Datasheet Preview

WJA1505 Datasheet

5V Active-Bias InGaP HBT Gain Block

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WJA1505www.DataSheet4U.com
+5V Active-Bias InGaP HBT Gain Block
Product Features
50 – 1000 MHz
19.5 dB Gain
+19 dBm P1dB
+35 dBm OIP3
+5V Single Voltage Supply
Internal Active Bias Supply
Internally matched to 50 Ω
Lead-free / RoHS-compliant /
Green SOT-89 package
Applications
IF Amplifier
Repeaters, BTS Transceivers
VHF/UHF
Wireless Infrastructure
General Purpose
Product Description
Functional Diagram
The WJA1505 is a high performance amplifier that offers
high linearity in a low-cost surface-mount package. At 200
MHz, the WJA1505 typically provides 19.5 dB gain, +35
dBm OIP3, and +19 dBm P1dB. The device is housed in a
lead-free/green/RoHS-compliant SOT-89 industry-standard
SMT package using a NiPdAu plating to eliminate the
possibility of tin whiskering.
The WJA1505 consists of Darlington pair amplifiers using
a high reliability InGaP/GaAs HBT process technology.
The MMIC amplifier is internally matched to 50and only
requires DC-blocking capacitors and an inductive RF choke
for operation. Biased directly from a 5V supply, an internal
active bias network enables stable operation over
temperature, eliminating the need for the typical dropping
bias resistor.
GND
4
1
RF IN
2
GND
3
RF OUT
Function
Input
Output/Bias
Ground
Pin No.
1
3
2, 4
The amplifier is targeted for high performance IF applications
in existing and next generation wireless technologies. In
addition, the WJA1505 will work for various other
applications within the 50 to 1000 MHz frequency range.
Target Specifications
Parameter
Operational Bandwidth
Test Frequency
Gain
Input Return Loss
Output Return Loss
Output P1dB
Output IP3 (2)
Noise Figure
Device Voltage
Device Current
Units
MHz
MHz
dB
dB
dB
dBm
dBm
dB
V
mA
Min
50
Typ
200
19.6
18
16
+19
+35
4
5
60
Max
1000
1. Test conditions: 25 ºC, Supply Voltage = +5 V, 50 Ω System.
2. 3OIP measured with two tones at an output power of 0 dBm/tone separated by 1 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Target Performance
Parameter
Frequency
S21
S11
S22
Output P1dB
Output IP3 (2)
Noise Figure
Units
MHz
dB
dB
dB
dBm
dBm
dB
50
20
-19
-17
+19
+36
3.9
Typical
100 200
19.7 19.6
-19 -18
-18 -16
+19 +19
+36 +35
44
500
18.9
-14
-11
+19
+34
4.1
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
Rating
-40 to +85 °C
-55 to +150 °C
Operation of this device above any of these parameters may cause permanent damage.
Ordering Information
Part No.
WJA1505
WJA1505-PCB
Description
+5V Active Bias InGaP HBT Gain Block
(lead-free/green/RoHS-compliant SOT-89 Package)
50 – 1000 MHz Fully Assembled Eval. Board
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 3 May 2007




WJ Communication

WJA1505 Datasheet Preview

WJA1505 Datasheet

5V Active-Bias InGaP HBT Gain Block

No Preview Available !

WJA1505
+5V Active-Bias InGaP HBT Gain Block
Vcc=+5V
Icc = 60 mA
Application Circuit
R4
0Ω
C3
Bypass
Capacitor
RF IN
C1
Blocking
Capacitor
R1
0Ω
L1
RF Choke
WJA1505
R2
0Ω
RF OUT
C2
Blocking
Capacitor
Recommended Component Values(1)
Ref. Name Value / Type
Size
L1 470 nH wire wound inductor 1008
C1, C2
1000 pF chip capacitor
0603
C3
R1, R2, R4
C4, C5, C6,
0.018 μF chip capacitor
0 Ω(2)
Do Not Place(2)
0603
0603
R3, R5, R6,
R7, R8
1. The listed values are contained on the evaluation board to achieve optimal broadband performance
2. Place holders for the 0Ω resistors and “Do Not Place” references are not needed for final design.
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 2 of 3 May 2007


Part Number WJA1505
Description 5V Active-Bias InGaP HBT Gain Block
Maker WJ Communication
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WJA1505 Datasheet PDF





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