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WJA1021 데이터시트 PDF




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부품번호 WJA1021 기능
기능 5V Active-Bias InGaP HBT Gain Block
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WJA1021 데이터시트, 핀배열, 회로
WJA1021
+5V Active-Bias InGaP HBT Gain Block
Product Features
50 – 4000 MHz
17.5 dB Gain @ 1.9GHz
www.data+s1h9eedtB4um.coPm1dB @ 1.9GHz
+37.5 dBm OIP3 @ 1.9GHz
+5V Single Supply
Low current draw (90mA)
Unconditionally stable
Internally matched to 50
Robust 1000V ESD, Class 1C
Lead-free/green/RoHS-compliant
SOT-89 package
Applications
GSM, PCS, CDMA, WCDMA
WiMAX, WiBro
Repeaters, BTS Transceivers
RFID
Product Description
Functional Diagram
The WJA1021 is a cascadable gain block that offers high
linearity in a low-cost surface-mount package. At 1.9 GHz,
the WJA1021 typically provides 17.5 dB gain, +37.5 dBm
OIP3, and +19 dBm P1dB. The device is housed in a lead-
free/green/RoHS-compliant industry-standard SOT-89
SMT package using a NiPdAu plating to eliminate the
possibility of tin whiskering.
The WJA1021 consists of Darlington pair amplifier using a
high reliability InGaP/GaAs HBT process technology.
The amplifier has been optimized internally to offer very
high linearity performance at 1.9 GHz while drawing very
low current. The MMIC amplifier is internally matched to
50and only requires DC-blocking capacitors and a bias
inductor for operation. An internal active bias is designed
to enable stable performance over temperature and allow
for operation directly from a +5V supply voltage.
GND
4
1
RF IN
2
GND
3
RF OUT
Function
Input
Output/Bias
Ground
Pin No.
1
3
2, 4
The broadband amplifier can be directly applied to various
current and next generation wireless technologies such as
GSM, CDMA, W-CDMA, WiBro, and WiMAX. The
WJA1021 is ideal for general purpose applications such as
LO buffering or amplification and pre-driver stages within
the 50 to 4000 MHz frequency range.
Specifications (1)
Typical Performance (3)
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
1900
17.5
-15
-10
+19
+37.4
6.3
5
90.5
Max
4000
1. Test conditions: 25 ºC, Supply Voltage = +5 V, 50 System. S-parameters and 3OIP measured at
device pins. All other specifications measured on evaluation board.
2. 3OIP measured with two tones at an output power of 3 dBm/tone separated by 1 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Parameter
Frequency
S21
S11
S22
Output P1dB
Output IP3 (2)
Noise Figure
Units
MHz
dB
dB
dB
dBm
dBm
dB
200
19.5
-12
-20
+20.2
+37.8
5.3
Typical
900 1900
18.4 16.7
-19 -29
-13 -10
+20.1 +19
+39.8 +37.5
5.6 6.3
2100
16.4
-25
-10
+18
+36.9
6.6
3. Listed typical performance parameters measured on evaluation board.
Absolute Maximum Rating
Parameter
Storage Temperature
Supply Voltage
Thermal Resistance, Rth
Junction Temperature
Input Power
Rating
-55 to +150 °C
+6.5 V
78.8 °C / W
150 °C
+24 dBm
Ordering Information
Part No.
WJA1021
WJA1021-PCB
Description
+5V Active Bias InGaP HBT Gain Block
(lead-free/green/RoHS-compliant SOT-89 Package)
50 – 4000 MHz Fully Assembled Eval. Board
Operation of this device above any of these parameters may cause permanent damage.
Standard tape / reel size = 1000 pieces on a 7” reel
Specifications and information are subject to change without notice
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: [email protected] Web site: www.wj.com, www.TriQuint.com
Page 1 of 4 April 2008




WJA1021 pdf, 반도체, 판매, 대치품
WJA1021
+5V Active-Bias InGaP HBT Gain Block
Mechanical Information
This package is Lead-free/Green/RoHS-compliant. It is compatible with both lead-free (maximum 260 °C reflow temperature) and leaded
(maximum 245 °C reflow temperature) soldering processes. The plating material on the leads is NiPdAu.
www.datasheet4u.com
Outline Drawing
A1021
XXXX-X
Product Marking
The WJA1021 will be marked with an “A1021”
designator with an alphanumeric lot code
marked below the part designator.
Tape and reel specifications for this part are
located on the website in the “Application
Notes” section.
MSL / ESD Rating
Land Pattern
ESD Rating: Class 1C
Value:
Passes 1000V min.
Test: Human Body Model (HBM)
Standard: JEDEC Standard JESD22-A114
ESD Rating: Class IV
Value:
Passes 1000V min.
Test: Charged Device Model (CDM)
Standard: JEDEC Standard JESD22-C101
MSL Rating: Level 3 at +260 °C convection reflow
Standard: JEDEC Standard J-STD-020
Mounting Config. Notes
1. Ground / thermal vias are critical for the proper
performance of this device. Vias should use a .35mm
(#80 / .0135”) diameter drill and have a final plated thru
diameter of .25 mm (.010”).
2. Add as much copper as possible to inner and outer layers
near the part to ensure optimal thermal performance.
3. Mounting screws can be added near the part to fasten the
board to a heatsink. Ensure that the ground / thermal via
region contacts the heatsink.
4. Do not put solder mask on the backside of the PC board in
the region where the board contacts the heatsink.
5. RF trace width depends upon the PC board material and
construction.
6. Use 1 oz. Copper minimum.
7. All dimensions are in millimeters (inches). Angles are in
degrees.
Specifications and information are subject to change without notice
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: [email protected] Web site: www.wj.com, www.TriQuint.com
Page 4 of 4 April 2008

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