WJA1021 TriQuint, WJA1021 Datasheet - Page 3

• Manufacturer Part Number: WJA1021
• Description: RF Amplifier +5V Active-Bias HBT Gain Block
• Manufacturer: TriQuint
• Type: Gain Amplifierr

Specifications of WJA1021

• Mounting Style: SMD/SMT
• Number Of Channels: 1
• Operating Frequency: 4000 MHz
• P1db: 19 dBm at 1.9 GHz
• Noise Figure: 6.3 dB @ 1900 MHz
• Operating Supply Voltage: 5 V
• Supply Current: 100 mA @ 5 V
• Maximum Operating Temperature: + 150 C
• Package / Case: SOT-89
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1066952

TriQuint Semiconductor, Inc • Phone [phone] • FAX: [phone] • e-mail: [e-mail] • Web site: www.TriQuint.com
WJA1021
+5V Active-Bias InGaP HBT Gain Block
.
RF IN
For optimal OIP3 performance, the ground plane to the left and right side around the backside paddle of the WJA1021 should be removed as shown in the above PCB layout.
Capacitor
Blocking
C1
S-Parameters (V
Freq (GHz)
1000
1200
1400
1590
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
100
200
400
600
800
10
50
device
WJA1021
S11 (dB)
= +5 V, I
-15.27
-13.47
-13.32
-13.32
-12.94
-12.38
-12.32
-12.56
-12.94
-12.96
-13.24
-13.26
-14.12
-16.59
-21.32
-29.00
-31.47
-22.56
-16.22
-12.35
-10.00
-8.71
-7.94
-7.03
RF Choke
Device S-parameters are available for download from the website at: http://www.TriQuint.com
0 Ω
Vcc =+5.00V
R4
Icc = 90 mA
L1
CC
Recommended Component Values
1.
2.
3.
Capacitor
Bypass
Ref. Name
L1
C1, C2
C3
R4
C4, C5, C6,
R3, R5, R6,
R7, R8
= 90 mA, T = 25 °C, calibrated to device leads)
C3
S11(ang)
The listed values are contained on the evaluation board to achieve optimal broadband performance
For lower cost and performance (500 – 2000 MHz) option use 39 nH ceramic core wire wound inductor.
Place holders for the 0Ω resistors and “Do Not Place” references are not needed for final design.
-152.73
-167.56
-176.11
-119.27
-137.02
-143.92
-148.38
-155.84
-168.09
178.15
175.26
168.40
158.65
146.78
137.52
130.56
130.42
124.89
115.57
175.94
-76.97
-55.07
95.97
44.53
Capacitor
Blocking
C2
Value / Type
470 nH ferrite core wire wound inductor
1000 pF NPO chip capacitor
0.018 μF chip capacitor
0 Ω
Do Not Place
Typical Device Data
S21 (dB)
Application Circuit
RF OUT
22.78
20.29
19.92
19.69
19.56
19.41
19.13
18.92
18.58
18.24
17.96
17.95
17.61
17.26
16.79
16.18
15.66
15.05
14.35
13.50
12.51
11.58
10.79
9.72
(3)
(3)
S21 (ang)
168.92
167.37
167.89
162.64
149.53
135.79
122.10
108.57
-13.34
-27.33
-40.56
-53.24
-65.24
-76.83
-89.13
94.17
81.46
68.23
67.69
54.09
40.63
27.03
13.53
0.14
(1)
S12(dB)
-25.80
-23.38
-23.14
-23.15
-23.10
-23.07
-23.01
-22.96
-23.04
-22.89
-22.87
-22.87
-22.79
-22.96
-22.94
-23.04
-23.06
-23.06
-23.15
-23.27
-23.47
-23.53
-23.40
-23.29
Specifications and information are subject to change without notice
(2)
S12 (ang)
-10.41
-12.83
-16.41
-20.13
-23.01
-22.74
-25.91
-29.81
-33.39
-36.47
-39.44
-42.87
-46.10
-49.30
-51.83
-54.62
-57.36
-61.41
14.54
-0.19
-3.54
-6.98
5.70
2.35
Size
0805
0603
0603
0603
S22 (dB)
-10.81
-17.02
-18.91
-19.27
-19.05
-18.22
-16.64
-14.40
-12.71
-11.63
-11.35
-11.36
-11.04
-10.18
-8.81
-7.80
-7.42
-7.44
-7.52
-7.26
-6.61
-5.87
-5.50
-5.62
S22 (ang)
-114.67
-138.72
-150.77
-153.38
-155.49
-155.88
-155.90
-156.76
-159.26
-165.00
-165.60
-173.55
178.28
171.50
167.47
162.95
157.56
149.16
140.55
132.18
127.43
124.79
120.23
-41.48
Page 3 of 4
Oct. 2009