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High Dynamic Range Gain Block
AG103
The Communications Edge TM Product Information
Product Features
x x x x x x x x 50 - 870 MHz 13 dB Gain 3 dB Noise Figure >+36 dBm OIP3 +20 dBm P1dB Single +5 Bias Supply Internally matched to 50 : Lead-free/Green/RoHScompliant SOT-89 Package x MTTF > 1000 years
Product Description
The AG103 is a general-purpose gain block that offers good dynamic range and low noise figure in a low-cost surfacemount package. The combination of high OIP3 and tight gain variation window makes it attractive for a multitude of applications. The device combines dependable performance with superb quality to maintain MTTF values exceeding 1000 years at mounting temperatures of +85 qC and is available in the environmentally-friendly lead-free/green /RoHS-compliant SOT-89 package. All devices are 100% RF & DC tested. The AG103 uses a high reliability GaAs MMIC technology and only requires DC-blocking and bypass capacitors, and an inductive RF choke for operation. Internal matching provides a 50 ohm input / output impedance minimizing the number of required external components. The AG103 GaAs MMIC amplifier is well suited for wireless infrastructure such as NMT-450, homeland security, and 2nd generation mobile infrastructure utilizing the cellular band. In addition, the amplifier can be used for applications in various IF frequency bands.
Functional Diagram
GND 4
1 RF IN
2 GND
3 RF OUT
Function Input Output/Bias Ground
Pin No. 1 3 2, 4
Applications
x x x x Mobile Infrastructure CATV / DBS Defense / Homeland Security NMT-450 Infrastructure
Specifications (1)
Parameter
Operational Bandwidth Test Frequency Gain Input Return Loss Output Return Loss Output P1dB Output IP3 Noise Figure Operating Current Range Supply Voltage
Units
MHz MHz dB dB dB dBm dBm dB mA V
Min
50 12
Typ
800 12.9 10 20 +20 >+36 2.9 150 +5
Max
870 14
Comment
See note 2
+33 120
Pout = +5 dBm/tone, 10 MHz spacing. See note 2 180
1. Test conditions unless otherwise noted: T = 25 C, 50 system. 2. S11 and Noise Figure can be improved using an optional input matching network (typically just a series inductor).
Absolute Maximum Rating
Operating Case Temperature Storage Temperature DC Voltage RF Input Power (continuous) Junction Temperature
Parameter
-40 to +85 qC -55 to +150 qC +6 V +10 dBm +220 qC
Rating
Ordering Information
Part No.
AG103-G AG103-PCB
Description
(lead-free/green/RoHS-compliant SOT-89 Pkg)
GaAs MMIC Gain Block
200 - 600 MHz Fully Assembled Application Circuit
Specifications and information are subject to change without notice.
Operation of this device above any of these parameters may cause permanent damage.

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 4
June 2006
High Dynamic Range Gain Block
S-Parameters (VDS = +5 V, IDS = 150 mA, T = 25 C, unmatched 50 ohm system)
16 14 12 10 8 6 0 200 400 600 Frequency (MHz) 800 1000 Return Loss (dB)
AG103
The Communications Edge TM Product Information
Typical Device Data
0
Gain
Return Loss
-10
Gain (dB)
-20
-30
DB(|S[2,1]|)
-40 0
DB(|S[1,1]|)
200
DB(|S[2,2]|)
400 600 Frequency (MHz) 800 1000
The device can be used as a gain block with no input or output matching. For optimal input return loss and noise figure performance, the amplifier can be slightly tuned for the frequency of operation as shown in the reference designs in this datasheet. S-Parameters (VDS = +5 V, IDS = 150 mA, T = 25 C, calibrated to device leads)
Freq (MHz) S11 (dB) S11 (ang)
S21 (dB)
S21 (ang)
S12 (dB)
S12 (ang)
S22 (dB)
S22 (ang)
50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900
-11.30 -12.11 -12.46 -12.29 -12.35 -12.16 -12.14 -11.95 -11.88 -11.73 -11.60 -11.48 -11.26 -11.08 -10.90 -10.73 -10.51 -10.34
-30.04 -24.59 -25.65 -29.97 -32.81 -38.15 -42.37 -47.75 -52.03 -57.01 -61.03 -66.17 -70.02 -74.52 -79.00 -83.40 -87.42 -91.85
14.35 14.17 14.13 14.10 14.07 14.06 14.02 14.01 13.98 13.91 13.85 13.73 13.76 13.72 13.68 13.62 13.57 13.47
170.13 171.02 169.71 167.82 165.49 163.30 160.54 158.38 155.78 153.04 150.70 148.73 146.23 144.01 141.28 138.73 136.01 133.71
-20.20 -20.12 -20.08 -20.05 -19.99 -19.99 -20.01 -19.99 -20.01 -19.97 -19.95 -20.00 -20.03 -20.01 -19.93 -19.95 -19.94 -19.96
8.20 3.18 1.39 -0.31 -1.51 -2.59 -3.37 -4.74 -5.79 -6.12 -7.43 -8.03 -9.00 -9.46 -10.57 -11.34 -12.38 -12.95
-19.64 -22.19 -22.73 -23.12 -22.90 -23.03 -23.03 -22.80 -22.87 -22.90 -22.68 -22.48 -22.64 -22.19 -22.38 -22.12 -21.94 -21.78
-120.38 -142.79 -155.71 -160.90 -166.97 -167.62 -172.30 -173.68 -176.13 -176.83 179.96 178.91 177.09 176.83 175.26 173.64 172.78 171.76
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 4
June 2006
High Dynamic Range Gain Block
AG103
The Communications Edge TM Product Information
Application Circuit: 200 - 600 MHz (AG103-PCB)
Typical Performance 450 MHz S21 - Gain 13.5 dB S11 -23 dB S22 -14 dB Output P1dB +21 dBm Output IP3 +36 dBm Noise Figure 2.7 dB Bias +5 V @ 150 mA
Frequency
15
DB(|S[1,1]|) (R) DB(|S[2,1]|) (L) DB(|S[2,2]|) (R)
0
14
-5 S11, S22 (dB)
S21 (dB)
13
-10
12
-15
11
-20
10 0 100 200 300 400 500 Frequency (MHz) 600 700 800
-25
+5 V
CAP ID=C5 C=10000 pF
PORT P=1 Z=50 Ohm
IND ID=L1 L=12 nH
SUBCKT ID=S1 NET="AG103"
IND ID=L2 L=390 nH size 0805
PORT P=2 Z=50 Ohm
Reference Design: 70 MHz
+5 V CAP ID=C5 C=1e4 pF
Reference Design: 900 MHz
+5 V CAP ID=C5 C=10000 pF
PORT P=1 Z=50 Ohm
SUBCKT ID=S1 NET="AG103"
IND ID=L2 L=270 nH
PORT P=2 Z=50 Ohm
PORT P=1 Z=50 Ohm
SUBCKT ID=S1 NET="AG103"
CAP ID=C1 C=56 pF IND ID=L3 L=150 nH
CAP ID=C4 C=1000 pF
CAP ID=C1 C=100 pF IND ID=L3 L=15 nH
15
DB(|S[1,1]|) * (R)
DB(|S[2,1]|) * (L)
DB(|S[2,2]|) (R)
0
15
DB(|S[1,1]|) * (R) DB(|S[2,1]|) * (L) DB(|S[2,2]|) * (R)
14
-5 S11, S22 (dB)
14
S21 (dB)
S21 (dB)
13
-10
13
-10
12
-15
12
-15
11
-20
11
-20
10 50 100 150 Frequency (MHz) 200 250
-25
10 600 700 800 900 1000 Frequency (MHz) 1100
-25 1200
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 3 of 4
S11, S22 (dB)
Circuit Board Material: .014" FR-4, 4 layers, .062" total thickness
Notes: 1. The amplifier should be connected directly to a +5 V regulator; no dropping resistor is required. 2. If no DC signal is present at the input, C1 can be removed. The input is internally grounded in the amplifier. 3. C2, C3, C5, & R1 are not used in the circuit. R2 is shorted across with 0 in the circuit. These placeholders shown in the silkscreen are for applications with other devices.
CAP ID=C1 C= 1000 pF
CAP ID=C4 C=1000 pF
IND ID=L2 L=100 nH
PORT P=2 Z=50 Ohm
CAP ID=C4 C=100 pF
0
-5
June 2006
High Dynamic Range Gain Block
AG103
The Communications Edge TM Product Information
This package is lead-free/Green/RoHS-compliant. It is compatible with both lead-free (maximum 260 qC reflow temperature) and leaded (maximum 245 qC reflow temperature) soldering processes. The plating material on the leads is NiPdAu.
AG103-G (Green / Lead-free SOT-89 Package) Mechanical Information
Outline Drawing
Product Marking
The AG103-G will be marked with an "103G" designator. An alphanumeric lot code ("XXXX-X" ) is also marked below the part designator on the top surface of the package. The obsolete tin-lead package is marked with an "AG103" designator followed by an alphanumeric lot code. Tape and reel specifications for this part are located on the website in the "Application Notes" section.
Land Pattern
MSL / ESD Rating
ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1B Passes 500V to <1000V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class IV Passes 1000V to <2000V Charged Device Model (CDM) JEDEC Standard JESD22-C101

MSL Rating: Level 3 at +260 C convection reflow Standard: JEDEC Standard J-STD-020
Mounting Config. Notes Thermal Specifications
Parameter
Operating Case Temperature Thermal Resistance, Rth (1) Junction Temperature, Tj (2)
-40 to +85 qC 59 qC / W 129 qC
MTTF (million hrs)
Rating
1000
MTTF vs. GND Tab Temperature
100
1. The thermal resistance is referenced from the hottest part of the junction to the ground tab (pin 4). 2. This corresponds to the typical biasing condition of +5V, 150 mA at an 85 C case temperature. A minimum MTTF of 1 million hours is achieved for junction temperatures below 160 C.

10
1 60 70 80 90 100 Tab Temperature (C) 110
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: sales@wj.com
Web site: www.wj.com
Page 4 of 4
June 2006

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