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AH31
High Dynamic Range IF Amplifier
Product Information
Product Features
* * * * * * * * 50 - 1000 MHz ISO & EPC compliant 19 dB Gain +22 dBm P1dB +42 dBm OIP3 1.8 dB Noise Figure Single Voltage Supply (+5 V) MTTF > 100 years * SOT-89 SMT Package
Product Description
The AH31 is a high dynamic range amplifier in a low-cost surface-mount package. Its robustness and
ease of use make it an ideal candidate for the core of any RFID reader application. It is compliant with EPC and ISO standards. The combination of low noise figure, high
Functional Diagram
GND 4
gain, and high output IP3 is ideal as an IF amplifier for receiver and transmitter applications. The device combines dependable performance with consistent quality to maintain MTTF values exceeding 100 years at mounting temp eratures of +85C and is housed in a SOT-89 industry-standard SMT package.
The broadband MMIC amplifier can be directly applied to various current and next generation RFID technologies such as EPC, ISO, ETSI, and ANSI. Their small size makes them ideal for PCMCIA applications.
1 RF IN
2 GND
3 RF OUT
Function Input Output/Bias Ground
Pin No. 1 3 2, 4
Applications
* RFID: HF, UHF, microwave * Readers * Industrial * Portable * Handheld
Specifications
Parameter
Frequency Range Gain Input Return Loss Output Return Loss Output P1dB Output IP3 (2) Output IP3
Typical Performance
Units Min
MHz dB dB dB dBm dBm dBm dB V mA C / W C 50
Typ
240 19 15 17 +22 +42
Max
1000
Parameter Units
Frequency S21 S11 S22 Output P1dB Output IP3 Noise Figure MHz dB dB dB dBm dBm dB 75 19 -25 -25 +22 +42 2.4 170 19 -13 -20 +22 +42 1.8
Typical
240 19 -15 -17 +22 +42 1.8 500 18 -15 -10 +22 +42 1.7 900 16.8 -14 -11 +21 +41 2.1
(50 test fixture, 800, 810 MHz)
+37 1.8 +5 150
Noise Figure Supply Voltage Operating Current Range Thermal Resistance Junction Temperature (3)
Typical parameters reflect performance in an application circuit.
120
180 59 160
Test conditions unless otherwise noted. 1. T = 25C, Vdd = +5 V, Frequency = 240 MHz in a tuned application circuit. 2. 3OIP measured with two tones at an output power of +10 dBm/tone separated by 1 MHz. The suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule. 3. The junction temperature ensures a minimum MTTF rating of 1 million hours of usage.
Absolute Maximum Rating
Parameter
Operating Case Temperature Storage Temperature DC Voltage RF Input Power (continuous) Junction Temperature
Ordering Information
Part No.
AH31 AH31-PCB75 AH31-PCB170 AH31-PCB240 AH31-PCB500
Rating
-40 to +85 C -55 to +125 C +6 V 4 dB above Input P1dB +220 C
Description
High Dynamic Range IF Amplifier 65 - 85 MHz Fully Assembled Evaluation Board 155 - 185 MHz Fully Assembled Evaluation Board 220 - 260 MHz Fully Assembled Evaluation Board 450 - 550 MHz Fully Assembled Evaluation Board
Operation of this device above any of these parameters may cause permanent damage.
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Typical Device Data
S-parameters (Vd = +5 V, Id = 150 mA, unmatched 50 system). * Measurements are shown for an unmatched packaged device with the data being de-embedded to the device leads. * The amplifier requires a matching network at the input for proper operation. The amplifier is intrinsically well matched at the output and ideally should "look" into 50 . Any deviation from this can affect the linearity IP3 performance for the device.
1.0
S21 and Maximum Stable Gain
0.8
S11
1.0
6 0.
S22
0.6
0.8
25
Swp Max 3GHz
2. 0
Swp Max 3GHz
2. 0
0 3.
S21 and MSG (dB)
Maximum Stable Gain
19
0 4.
S21
10.0 0.2 0.4 0.6 0.8 1.0 2.0 3.0 4.0 5.0 0
10.0
16
3 GHz
-10.0
3 GHz
10.0
0.2
0.4
0.6
0.8
1.0
4.0
2.0
3.0
5.0
0
2 GHz
2 -0.
.0 -2
-0 .6
-0.8
Swp Min 0.05GHz
-0 .8
0
0.5
1
-1.0
Application Circuit PC Board Layout
Circuit Board Material: .014" FR-4, 4 layers (other layers added for rigidity), .062" total thickness, 1 oz copper Microstrip line details: width = .024", spacing = .036"
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
-1.0
1.5 Frequency (GHz)
2
2.5
3
-0 .6
.0 -2
10
.4 -0
1 GHz
.4 -0
February 2004
-3 .0
-3 .0
2 GHz
Swp Min 0.05GHz
-4. 0 -5. 0
-5
-4 .0
.0
13
2 -0.
1 GHz
-10.0
0.2
5.0 0.2
0. 4
0. 4
22
0 3.
4.0
5.0
10.0
AH31
High Dynamic Range IF Amplifier
Product Information
Application Circuit: 65 - 85 MHz (AH31-PCB75)
VS = +5 V I D = 150 mA
Typical Performance Frequency 75 MHz 19 dB S21 - Gain -25 dB S11 -25 dB S22 Output P1dB +22 dBm Output IP3 +42 dBm Noise Figure 2.4 dB Bias +5 V @ 150 mA
C5 .018 F 0603 C1 .018 F RF IN 0603 L2 330 nH 0805 AH31 R1 1.0 0603 R2 0 0603 C4 .018 F 0603
L1 220 nH 0603
RF OUT
C3 12 pF 0603
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 (pin 1), C1 can be removed. The gate is internally grounded in the amplifier. 3. R2 is used as a placeholder for a different application circuit. It can be removed from the circuit. 4. C2 (from the silkscreen) is not utilized in this application circuit.
Gain vs Frequency 20 18 Gain (dB) 16 14 12 10 55 65 75 Frequency (MHz) OIP3 vs Frequency
46 Output IP3 (dBm) 44 42 40 38 36 55 65 75 Frequency (MHz) 85 95
25C 25C
S11, S22 vs Frequency 0 S11, S22 (dB) -5 -10 -15 -20 -25 -30 85 95 55 65 75 Frequency (MHz) Noise Figure vs Frequency 5 Noise Figure (dB) 4 3 2 1 0 55 65 75 Frequency (MHz) 85 95
25C 25C
Wideband S-Parameter Performance 20 S21, S11, S22 (dB) S21 10 0 S11 -10 -20 -30 S22
25C
S11
S22
85
95
50
100
150
200
250
300
350
400
Frequency (MHz) P1dB vs Frequency 24 P1dB (dBm) 22 20 18 16 14 55 65 75 Frequency (MHz) 85 95
25C
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Application Circuit: 155 - 185 MHz (AH31-PCB170)
Typical Performance Frequency 170 MHz 19 dB S21 - Gain -18 dB S11 -20 dB S22 Output P1dB +21 dBm Output IP3 +42 dBm Noise Figure 1.8 dB Bias +5 V @ 150 mA
VS = +5 V I D = 150 mA C5 .018 F 0603 C1 1000 pF RF IN 0603 L1 82 nH 0603 AH31 R1 1.2 0603 R2 0 0603 C4 1000 pF 0603 L2 330 nH 0805
RF OUT
C3 4.7 pF 0603
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 (pin 1), C1 can be removed. The gate is internally grounded in the amplifier. 3. R2 is used as a placeholder for a different application circuit. It can be removed from the circuit. 4. C2 (from the silkscreen) is not utilized in this application circuit.
Gain vs Frequency 20 18 Gain (dB) 16 14 12 10 150 160 170 Frequency (MHz) OIP3 vs Frequency
46 Output IP3 (dBm) 44 42 40 38 36 150 160 170 Frequency (MHz) 180 190
25C 25C
S11, S22 vs Frequency 0 S11, S22 (dB) -5 -10 -15 -20 -25 -30 180 190 150 160 170 Frequency (MHz) Noise Figure vs Frequency 5 Noise Figure (dB) 4 3 2 1 0 150 160 170 Frequency (MHz) 180 190
25C 25C
Wideband S-Parameter Performance 20 S21, S11, S22 (dB) 10 0 S11 -10 -20 -30 S22
25C
S21
S11
S22
180
190
50
100
150
200
250
300
350
400
Frequency (MHz) P1dB vs Frequency 24 P1dB (dBm) 22 20 18 16 14 150 160 170 Frequency (MHz) 180 190
25C
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Application Circuit: 220 - 260 MHz (AH31-PCB240)
VS = +5 V I D = 150 mA
Typical Performance Frequency 240 MHz 19 dB S21 - Gain -15 dB S11 -17 dB S22 Output P1dB +22 dBm Output IP3 +42 dBm Noise Figure 1.8 dB Bias +5 V @ 150 mA
C5 .018 F 0603 C1 1000 pF 0603 L2 220 nH 0805 AH31 R1 1.5 0603 R2 0 0603 C4 1000 pF 0603
RF IN
L1 56 nH 0603
RF OUT
C3 2.2 pF 0603
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 (pin 1), C1 can be removed. The gate is internally grounded in the amplifier. 3. R2 is used as a placeholder for a different application circuit. It can be removed from the circuit. 4. C2 (from the silkscreen) is not utilized in this application circuit.
Gain vs Frequency 20 18 Gain (dB) S11 (dB) 16 14 12 10 100 150 -40 C 200 +25 C 250 +85 C 300 350 400 0 -5 -10 -15 -20 -25 100 150
S11 vs Frequency 0 -5 S22 (dB) -10 -15 -20 -40 C 200 +25 C 250 +85 C 300 350 400 -25 100 -40 C 150
S22 vs Frequency
+25 C 200
+85 C 250 300 350 400
Frequency (MHz) OIP3 vs Frequency
44 Output IP3 (dBm) 42 40 38 36 34 220 230 240 Frequency (MHz) 250 260
25C, Freq. spacing = 1 MHz, Pout=+10 dBm/tone
Frequency (MHz) Output IP3 vs. Temperature 44 Output IP3 (dBm) 42 40 38 36 34 -40 -20 0 20 40 60 80 Temperature (C) Noise Figure vs Frequency P1dB vs Frequency 24 P1dB (dBm) 22 20 18 16 -40 C 230 +25 C 240 Frequency (MHz) +85 C 250 260 14 220 -40 C 230 +25 C 240 Frequency (MHz) +85 C 250
Frequency = 240, 241 MHz, Pout=+10 dBm/tone
Frequency (MHz) Output IP3 vs. Output Power
50 Output IP3 (dBm) 45 40 35 30 25 0 2
25C, Frequency = 240, 241 MHz
4
6
8
10
Output Power (dBm)
5 Noise Figure (dB) 4 3 2 1 0 220
260
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Application Circuit: 450 - 550 MHz (AH31-PCB500)
Typical Performance Frequency 500 MHz 18 dB S21 - Gain -15 dB S11 -10 dB S22 Output P1dB +22 dBm Output IP3 +42 dBm Noise Figure 1.7 dB Bias +5 V @ 150 mA
VS = +5 V I D = 150 mA C5 .018 F 0603 C1 1000 pF RF IN 0603 L2 150 nH 0805 AH31 R2 0 0603 C4 1000 pF 0603
L1 22 nH 0603
RF OUT
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 (pin 1), C1 can be removed. The gate is internally grounded in the amplifier. 3. R2 is used as a placeholder for a different application circuit. It can be removed from the circuit. 4. R1, C2, and C3 (from the silkscreen) are not utilized in this application circuit.
Gain vs Frequency 20 18 Gain (dB) 16 14 12 10 450 475 500 Frequency (MHz) OIP3 vs Frequency
46 Frequency (MHz) 44 42 40 38 36 450 475 500 Output IP3 (dBm) 525 550
25C 25C
S11, S22 vs Frequency 0 S11, S22 (dB) -5 -10 -15 -20 525 550 450 475 500 Frequency (MHz) Noise Figure vs Frequency 5 Noise Figure (dB) 4 3 2 1 0 450 475 500 Frequency (MHz) 525 550
25C 25C
Wideband S-Parameter Performance 20 S21, S11, S22 (dB) 10 0 -10 -20 -30 S22 S11
25C
S21
S22
S11
525
550
0
200
400
600
800
1000
Frequency (MHz) P1dB vs Frequency 24 P1dB (dBm) 22 20 18 16 14 450 475 500 Frequency (MHz) 525 550
25C
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Reference Design: 870 - 960 MHz
Typical Performance Frequency 900 MHz 16.8 dB S21 -14 dB S11 -11 dB S22 Output P1dB +21 dBm Output IP3 +41 dBm Noise Figure 2.1 dB Bias 5 V @ 150 mA
VS = +5 V I D = 150 mA C5 .01 F C6 100 pF C1 100 pF RF IN L1 12 nH AH31 C2 2.4 pF R2 5.1 C4 100 pF L2 39 nH RF OUT
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 (pin 1), C1 can be removed. The gate is internally grounded in the amplifier. 3. All components are of size 0603. 4. This is a reference design only. Sample evaluation boards are not readily available for this circuit. The actual implementation can be achieved by requesting an AH31 Evaluation board (any frequency) and replacing the passive components with the values given above.
Gain vs Frequency 20 18 Gain (dB) 16 14 12 10 800 850 900 Frequency (MHz) 950 1000
25C
S11, S22 vs Frequency 0 S11, S22 (dB) -5 -10 -15 S11 -20 800 850 900 Frequency (MHz) 950 1000 S22
25C
Typical Device Data
S-Parameters (VD = +5 V, ID = 150 mA, T = 25C, calibrated to device leads)
Freq (MHz) S11 (dB) S11 (ang) S21 (dB) S21 (ang) S12 (dB) S12 (ang) S22 (dB) S22 (ang)
50 100 200 300 400 500 600 700 800 900 1000
-2.89 -2.89 -2.93 -2.96 -3.01 -3.10 -3.16 -3.23 -3.24 -3.30 -3.38
-5.15 -8.61 -16.91 -25.39 -33.42 -41.65 -49.82 -57.37 -65.10 -72.57 -79.77
16.14 16.07 15.99 15.90 15.78 15.72 15.54 15.25 15.14 14.98 14.74
175.42 173.09 167.64 162.22 156.27 150.37 144.69 139.50 134.31 129.13 124.24
-29.18 -29.05 -28.46 -27.82 -27.04 -26.35 -25.57 -24.79 -24.33 -23.74 -23.15
5.50 8.21 13.72 17.52 20.10 22.46 23.12 22.98 21.53 19.94 18.03
-11.16 -11.42 -11.47 -11.60 -11.73 -11.88 -12.01 -12.22 -12.37 -12.50 -12.67
-10.29 -11.71 -17.87 -25.22 -32.59 -40.41 -48.04 -55.71 -62.56 -69.95 -77.38
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
February 2004
AH31
High Dynamic Range IF Amplifier
Product Information
Outline Drawing
Product Marking
The component will be marked with an "AH31" designator with a four-digit alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part is located on the website in the "Application Notes" section.
Land Pattern
ESD / MSL Information
ESD Classification: Value: Test: Standard: ESD Classification: Value: Test: Standard: MSL Rating: Standard: Class 1B Passes at 600 V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class IV Passes at 1000 V Charged Device Model (CDM) JEDEC Standard JESD22-C101 Level 3 at +225 C convection reflow JEDEC Standard J-STD-020A
Mounting Configuration 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: sales@wj.com * Web site: www.wj.com
February 2004

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