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Datasheet: AH1 (WJ Communications)

 

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WJ Communications
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
AH1
Product Description
The AH1 is a high dynamic range amplifier
packaged in a low cost SOT-89 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 AH1 achieves +41 dBm
OIP3 at a mounting temperature of 85C with
an associated MTBF of >100 years
5
. All devices
are 100% RF and DC tested.
The product is targeted for applications where
high linearity is required.
Product Features
250-3000 MHz
+
41 dBm Output IP3
2.7 dB Noise Figure
13.5 dB Gain
+
21 dBm P1dB
MTBF >100 Years
SOT-89 SMT Package
Single +5 V Supply
Functional Diagram
4
1
2
3
Function Pin
No.
Input
1
Ground
2
Output Bias
3
Ground
4
High Dynamic Range Amplifier
Absolute Maximum Ratings
Parameter
Rating
Operating Case Temperature
-40 to +85C
Storage Temperature
-55 to +125 C
Supply Voltage
+6.0 V
Input RF Power (continuous)
+10 dBm
Operation of this device above any of these parameters may cause permanent damage.
Ordering Information
Part No.
Description
AH1
High Dynamic Range Amplifier
(Available in tape and reel)
AH1-PCB
Fully Assembled Application Circuit
The Communications Edge
TM
Specifications
Parameter
Units
Min.
Typical
Max.
Frequency Range
MHz
250-3000
S21 - Gain
dB
12.4
13.5
S11 - Input Return Loss
3
dB
-8
S22 - Output Return Loss
dB
-15
Output IP3
2
dBm
+37
+41
Output P1dB
dBm
+21
Noise Figure
dB
2.7
Operating Current Range
mA
120
150
180
Supply Voltage
V
5
Test conditions unless otherwise noted.
1. T = 25C, Vdd = 5.0, Freq = 800 MHz, 50 ohm system.
2. OIP3 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 OIP3 using a 2:1 slope rule.
3. S21 and S11 can be improved in the band of interest using a single input shunt microstrip to
ground.
4. Degradation of OIP3 occurs at low temperatures. Minimum typical OIP3 at -40C is +35dBm.
5. MTBF calculated with channel temperature at 155C.
Typical Parameters
Parameter
Units
Typical
Frequency MHz
900
1900
S21 dB
14.3
12.6
S11
dB
-16.5
-14.5
S22
dB
-13.9
-11.7
Output IP3
dBm
+41.0
+41.0
Output P1dB
dBm
+21.2
+21.0
Noise Figure
dB
2.5
2.5
Typical parameters reflect performance in an application circuit.
Actual Size
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
AH1
Performance Charts
(Vds = 5.0 V, Ids = 150 mA, T = 22C, unmatched device in a 50 ohm system)
OIP3 (dBm)
Frequency (MHz)
500
1000
1500
2000
2500
3500
3000
OIP3 vs. Frequency
Gain vs. Power Out
Output Power (dBm)
Output Power (dBm)
2.5
4.5
6.5
8.5
12.5
10.5
14.5
16.5
45
40
35
30
25
20
Gain (dB)
14.5
14.0
13.5
13.0
12.5
12.0
Output IP3 vs. Power Out
2.5
4.5
6.5
8.5
12.5
10.5
14.5
16.5
Output IP3 (dBm)
45
40
35
30
25
20
OIP3 Lead Pull Circles
Temperature (C)
Gain vs. Temperature
Gain (dB)
-40
-20
0
20
40
60
80
15.0
12.0
12.5
13.0
13.5
14.0
14.5
OIP3 (dBm)
Temperature (C)
-50
-25
0
25
50
100
75
OIP3 vs. Temperature
43
37
38
39
40
41
42
Frequency = 900 MHz
Frequency = 900 MHz
Frequency = 900 MHz
Vds = 5.0 V, 100% Idss, T = 22
C
36
37
39
41
4.0
3.0
2.0
1.5
IP3 = 35
VSWR = 5.0
38
50% Idss
75% Idss
100% Idss
Gain vs. Frequency*
Input/Output Return Loss*
Gain (dB)
Frequency (MHz)
0
500
1000
1500
2500
2000
3000
Frequency (MHz)
0
500
1000
1500
2000
2500
3000
20
15
10
5
0
dB
0
-5
S11
S22
-10
-15
-25
-20
-35
-30
* without matching circuit
* without matching circuit
Frequency = 800MHz
Frequency = 800MHz
50% Idss
75% Idss
100% Idss
10
9
10
8
10
7
10
6
10
5
50
75
100
125
150
175
200
Temperature (
C)
MTBF (hours)
MTBF vs. Temperature
Junction
Ground Tab
Thermal Specifications
Parameter
Rating
Operating Case Temperature
-40 to +85C
Thermal Resistance (Maximum)
59C/W
Junction Temperature
+155C
(Recommended Maximum)
Notes:
1. Thermal Resistance determined at Maximum Tab Temperature and Maximum Power
Dissipation.
2. Recommended Maximum Junction Temperature insures a MTBF of 1 million hours.
3. Refer to WJ Application Note "AH1 Temperature Effects on Reliability" for more information.
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
Application Circuit: 250-650 MHz
Application Circuit: 0.9-2.5 GHz
Frequency (MHz)
0
100 200
300
400 500
700
800
600
1000
900
S-Parameters
20
10
0
-10
-20
-30
Typical Specifications
Frequency
250 MHz
650 MHZ
Magnitude S21
15.4 dB
14.2 dB
Magnitude S11
-11.0 dB
-11.5 dB
Magnitude S22
-19.9 dB
-14.0 dB
OIP3
40.0 dBm
40.0 dBm
Noise Figure
2.8 dB
2.8 dB
Bias
Vd = 5 V, Id = 160 mA
FR4 Board Layout (T = 14 Mil)
Schematic
S21
S11
100 mil
200 mil
SOURCE
0603 Package
C = 56 pF
0603 Package
C = 56 pF
0603 Package
L = 82 nH
L = 15 nH
0603 Package
+5 V
GATE
DRAIN
S22
Z = 50 ohm
100 mil
200 mil
AH1
C = 56 pF
L = 15 nH
RF OUT
RF IN
DC 5 V
C = 56 pF
L = 82 nH
Z = 50 ohm
Magnitude (dB)
Frequency (GHz)
0
0.5
1
1.5
2
3
2.5
S-Parameters
20
10
0
-10
-20
-30
Typical Performance
Frequency
0.9 GHz
1.9 GHZ
2.4 GHZ
Magnitude S21
14.2 dB
12.4 dB
11.7 dB
Magnitude S11
-18.5 dB
-12.9 dB
-13.6 dB
Magnitude S22
-14.7 dB
-12.6 dB
-11.0 dB
OIP3
39.0 dBm
41.0 dBm
40 dBm
Noise Figure
2.7 dB
3.4 dB
3.7 dB
Bias
Vd = 5 V, Id = 170 mA
FR4 Board Layout (T = 14 Mil)
Schematic
S21
S11
300 mil
GND
GND
0603 Package
C = 56 pF
0603 Package
C = 56 pF
0603 Package
L = 12 nH
0603 Package
C = 56 pF
0603 Package
L = 5.6 nH
+5 V
INPUT
OUTPUT
S22
Z = 22 ohm
300 mil
AH1
C = 56 pF
C = 56 pF
RF OUT
RF IN
DC 5 V
C = 56 pF
L = 12 nH
L = 5.6 nH
3 or more Via
Grounds req.
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
AH1
Application Circuit: 1900 MHz
Frequency (GHz)
0
0.5
1.0
1.5
2.0
3.0
2.5
S-Parameters
20
10
0
-10
-20
-30
Typical Specifications
Frequency
1900 MHz
Magnitude S21
12.6 dB
Magnitude S11
-14.5 dB
Magnitude S22
-11.7 dB
OIP3
41.0 dBm
Noise Figure
2.5 dB
Bias
Vds = 5 V, Id = 170 mA
FR4 Board Layout (T = 14 Mil)
Schematic
S21
S11
100 mil
200 mil
SOURCE
0603 Package
C = 56 pF
0603 Package
C = 2.2 pF
0603 Package
C = 56 pF
0603 Package
L = 47 nH
0603 Package
L = 2.7 nH
0603 Package
L = 6.8 nH
+5 V
GATE
DRAIN
S22
Magnitude (dB)
Z = 38 ohm
100 mil
200 mil
AH1
C = 56 pF
L = 2.7 nH
C = 2.2 pF
L = 6.8 nH
RF OUT
RF IN
DC 5 V
C = 56 pF
L = 47 nH
Z = 38 ohm
Application Circuit: 900 MHz
Frequency (GHz)
0
0.5
1.0
1.5
2.0
3.0
2.5
S-Parameters
20
10
0
-10
-20
-30
Typical Specifications
Frequency
900
MHz
Magnitude S21
14.3 dB
Magnitude S11
-16.5 dB
Magnitude S22
-13.9 dB
OIP3
41.0
dBm
Noise Figure
2.5 dB
Bias
Vd = 5 V, Id = 170 mA
FR4 Board Layout (T = 14 Mil)
Schematic
S21
S11
100 mil
200 mil
SOURCE
0603 Package
C = 56 pF
0603 Package
C = 56 pF
0603 Package
L = 47 nH
0603 Package
L = 12 nH
+5 V
GATE
DRAIN
S22
Z = 38 ohm
100 mil
200 mil
AH1
C = 56 pF
L = 12 nH
RF OUT
RF IN
DC 5 V
C = 56 pF
L = 47 nH
Z = 38 ohm
Magnitude (dB)
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
AH1
Outline Drawing
Land Pattern
Mounting Configuration
Specifications and information are subject to change without notice.
Caution! ESD sensitive device.
WJ Communications, Inc. Phone: 1-800-WJ1-4401 FAX: 408-577-6620 e-mail: sales@wj.com Web site: www.wj.com
February 2002
AH1
Typical Test Data
S-Parameters (Vds = +5 V, Ids= 150 mA, T = 22C, unmatchd device in a 50 ohm system)
Freq (MHz)
S11 (Mag) S11 (Ang)
S21 (Mag) S21 (Ang) S12 (Mag) S12 (Ang) S22 (Mag)
S22 (Ang)
K Value
300
0.385
-46.990
5.742
157.037
0.087
3.964
0.089
-66.530
1.062
400
0.374
-53.376
5.633
152.400
0.087
-0.428
0.070
-70.095
1.090
500
0.373
-60.650
5.564
147.518
0.088
-3.847
0.055
-69.277
1.103
600
0.373
-68.718
5.488
142.410
0.088
-6.806
0.043
-75.238
1.116
700
0.376
-76.746
5.409
137.282
0.088
-9.585
0.036
-80.347
1.128
800
0.380
-84.449
5.313
132.011
0.088
-12.184
0.031
-88.416
1.139
900
0.383
-92.673
5.199
126.442
0.087
-14.643
0.028
-102.961
1.154
1000
0.388
-101.021
5.141
121.353
0.087
-17.006
0.029
-115.173
1.159
1100
0.394
-109.189
5.052
116.267
0.087
-19.432
0.029
-127.412
1.168
1200
0.403
-116.975
4.952
111.154
0.087
-21.689
0.031
-124.686
1.176
1300
0.413
-124.433
4.841
106.042
0.086
-24.093
0.033
-90.875
1.185
1400
0.425
-131.566
4.724
101.024
0.086
-26.335
0.035
-93.847
1.198
1500
0.438
-138.169
4.609
96.109
0.085
-28.545
0.034
-94.192
1.210
1600
0.450
-144.356
4.490
91.324
0.084
-30.630
0.035
-91.925
1.224
1700
0.463
-149.987
4.371
86.560
0.084
-32.708
0.035
-138.791
1.241
1800
0.477
-155.154
4.254
81.996
0.083
-34.679
0.035
-131.588
1.253
1900
0.489
-160.003
4.139
77.549
0.082
-36.681
0.036
-120.952
1.272
2000
0.500
-164.309
4.030
73.226
0.081
-38.358
0.039
-112.026
1.289
2100
0.509
-168.120
3.929
69.032
0.081
-40.127
0.042
-104.837
1.306
2200
0.517
-171.726
3.836
64.905
0.080
-41.728
0.046
-99.684
1.322
2300
0.523
-175.359
3.749
60.845
0.079
-43.332
0.049
-94.737
1.344
2400
0.527
-9.058
3.667
56.754
0.079
-44.949
0.052
-92.048
1.366
2500
0.528
176.218
3.600
52.689
0.078
-46.419
0.053
-90.189
1.389
2600
0.526
173.376
3.537
48.710
0.078
-48.000
0.052
-88.680
1.418
2700
0.523
169.003
3.477
44.647
0.078
-49.738
0.050
-87.931
1.450
2800
0.518
164.088
3.422
40.452
0.077
-51.479
0.048
-88.079
1.486
2900
0.513
158.780
3.366
36.157
0.077
-53.246
0.042
-87.362
1.526
3000
0.510
153.067
3.311
31.816
0.077
-55.207
0.034
-82.552
1.561
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