鈥?/div>
GSM, PCS, CDMA, WCDMA
WiMAX, WiBro
Repeaters, BTS Transceivers
RFID
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
50 and 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.
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.
RF IN
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
Device Voltage
Device Current
Typical Performance
(3)
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
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
18.4
-19
-13
+20.1
+39.8
5.6
1900
16.7
-29
-10
+19
+37.5
6.3
2100
16.4
-25
-10
+18
+36.9
6.6
3. Listed typical performance parameters measured on evaluation board.
1. Test conditions: 25 潞C, Supply Voltage = +5 V, 50
鈩?/div>
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.
Absolute Maximum Rating
Parameter
Storage Temperature
Supply Voltage
Thermal Resistance, Rth
Junction Temperature
Input Power
Rating
-55 to +150
擄C
+6.5 V
78.8
擄C
/ W
150
擄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 鈥?4000 MHz Fully Assembled Eval. Board
Specifications and information are subject to change without notice
Operation of this device above any of these parameters may cause permanent damage.
Standard tape / reel size = 1000 pieces on a 7鈥?reel
WJ Communications, Inc
鈥?/div>
Phone 1-800-WJ1-4401
鈥?/div>
FAX: 408-577-6621
鈥?/div>
e-mail: sales@wj.com
鈥?/div>
Web site: www.wj.com, www.TriQuint.com
Page 1 of 4
April 2008
WJA1021 產(chǎn)品屬性
TriQuint
射頻放大器
Gain Amplifier
50 MHZ to 4000 MHz
6.3 dB at 1.9 GHz
37.4 dBm
5 V
90 mA
+ 150 C
SMD/SMT
SOT-89
Reel
15 dB
1 Channel
17.5 dB to 1.9 GHz
1000
6.5 V
1066952
WJA1021相關(guān)型號(hào)PDF文件下載
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+5V Active-Bias InGaP HBT Gain Block
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