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High Dynamic Range Gain Block
AM1
The Communications Edge TM
Product Features Product Description Functional Diagram The AM1 is a general purpose gain block that * 60-3000 MHz Bandwidth 4 offers good dynamic range in a low cost surface +37 dBm Output IP3 * mount package. The combination of flat IP3 * 2.4 dB Noise Figure and noise figure performance over frequency makes it attractive for both narrow and broad14 dB Gain * 1 2 3 band applications. Superior thermal design * +18 dBm P1dB allows the product to achieve +37 dBm IP3 per* MTBF >100 Years formance at a mounting temperature of +85C Function Pin No. with an associated MTBF of >100 years . All SOT-89 SMT Package * Input 1 * Single Bias Supply (+3.3 to +4.5 V) devices are 100% RF and DC tested. Ground 2
3
Output/Bias Ground
3 4
Actual Size
Specifications
Parameter Frequency Range S21 - Gain S11 - Input Return Loss S22 - Output Return Loss Output IP3 Output P1dB Noise Figure Operating Current Range Supply Voltage Units MHz dB dB dB dBm dBm dB mA V Min. 60 13 Typical Max. 14 -9 -15 +37 +18 2.4 75 4.5 3000 16
Typical Parameters
Parameter Frequency S21 S11 S22 Output IP3 Output P1dB Noise Figure Units MHz dB dB dB dBm dBm dB 900 13.4 -12.5 -21.2 +37.5 +18.1 2.4 Typical 1900 12.2 -13.2 -17.8 +37.0 +18.0 2.6
+33
55
100
Typical specifications reflect AM1 measured on application circuit (AM1-PCB).
Test conditions unless otherwise noted. 1. T = 25C, Vdd = 4.5 V, Frequency = 800 MHz, 50 system. 2. OIP3 measured with two tones at an output power of 2 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. MTBF calculated with channel temperature at 155C.
Absolute Maximum Ratings
Parameter Operating Case Temperature Storage Temperature DC Voltage Input RF Power (continuous) Rating -40 to +85C -55 to +125C +5.5 V +7 dBm
Ordering Information
Part No. AM1 AM1-PCB Description High Dynamic Range Amplifier (Available in tape and reel) Fully Assembled Application Circuit
Operation of this device above any of these parameters may cause permanent damage.
WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com
April 2002
AM1
Performance Charts
Gain vs. Frequency
20 0 Gain (dB) and Output Power (dBm) -5 Return Loss (dB) 15 Gain (dB) -10 -15 -20 S22 -25 -30 0 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) -35 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Vds = 4.5 V Id = 65 mA S11
(T = 22C, unmatched device in a 50 ohm system)
Input/Output Return Loss Gain and Output Power vs. Input Power
25 20 15 10 5 0 -5 0 5 10 15 20 Input Power (dBm) Frequency = 1.9 GHz Vds = 4.5 V Id = 69 mA
Output Power (dBm)
10 Vds = 4.5 V Id = 65 mA
Gain (dB)
5
Application Circuit: 0.8 to 2.6 GHz (AM1-PCB)
Typical Specifications Frequency Magnitude S21 Magnitude S11 Magnitude S22 OIP3 Noise Figure Bias S-Parameters
20 10 Magnitude (dB) 0 -10 -20 S22 -30 500 S11
Schematic
C = 56 pF RF IN L = 10 nH 3 or more Via Grounds req. L = 12 nH DC 4.5 V C = 56 pF AM1 C = 56 pF RF OUT
0.9 GHz 1.9 GHz 2.4 GHz 13.4 dB 12.2 dB 11.5 dB -12.5 dB -13.2 dB -11.4 dB -21.2 dB -17.8 dB -17.3 dB 37.0 dBm 37 dBm 37 dBm 2.4 dB 2.6 dB 2.8 dBm Vds = 4.5 V, Id = 75 mA
FR4 Board Layout (T = 14 Mils)
GND S21 0603 Package C = 56 pF INPUT GND 0603 Package L = 10 nH OUTPUT 0603 Package L = 12 nH 0603 Package C = 56 pF 0603 Package C = 56 pF All Trans. Lines Z = 50 Ohm
+4.5 V
1000 1500 2000 Frequency (MHz) 2500 3000
NOTE: The application circuit is designed for wide bandwidth. For narrow band applications, S11 and S21 can be improved with an input shunt microstrip element to ground.
Thermal Specifications
Parameter Operating Case Temperature Thermal Resistance (Maximum) Junction Temperature (Recommended Maximum) Rating
MTBF (hours) 109
MTBF vs. Temperature
-40 to +85C 88C/W +155C
108 107 Ground Tab 10
6
Junction
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 "AM1 Temperature Effects on Reliability" for more information.
105 50 75 100 125 150 Temperature (C) 175 200
WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com
April 2002
AM1
Application Circuit: 60 - 100 MHz
Typical Specifications Frequency Magnitude S21 Magnitude S11 Magnitude S22 Noise Figure Bias Supply 70 MHz 16.3 dB -17.1 dB -15.6 dB 5.1 dB 4.5 V @ 75 mA Schematic
VDD = + 4.5 V ID = 75 mA
L2 180 nH L1 180 nH PIN 1 C1 .018 F
C3 .018 F
RF IN
RF OUT
AM1
PIN 3 C4 .018 F
C2 5.6 pF
PIN 2,4
S-Parameters
20 15
Noise Figure 8
S21
Magnitude (dB)
10 5 0 -5 -10 -15 -20 30 50 70 90 110
Noise Figure (dB)
150
7 6 5 4 3
S11
S22
130
30
50
70
90
110
130
150
Frequency (MHz)
Frequency (MHz)
WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com
April 2002
AM1
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
April 2002
AM1
Typical Test Data
S-Parameters (Vds = +4.5 V, Ids = 75 mA, T = 22C, unmatched device in a 50 ohm system) Freq (MHz) 250 350 450 550 650 750 850 950 1050 1150 1250 1350 1450 1550 1650 1750 1850 1950 2050 2150 2250 2350 2450 2550 2650 2750 2850 2950 3050 3150 3250 3350 3450 S11 (Mag) 0.499 0.483 0.473 0.466 0.459 0.453 0.447 0.441 0.435 0.347 0.345 0.351 0.351 0.351 0.357 0.357 0.360 0.368 0.366 0.375 0.380 0.378 0.395 0.394 0.391 0.410 0.405 0.407 0.421 0.419 0.423 0.432 0.432 S11 (Ang) -26.60 -29.90 -34.20 -39.20 -44.60 -50.30 -56.10 -62.30 -68.60 -74.23 -80.74 -86.61 -91.21 -97.34 -102.70 -107.50 -113.99 -118.52 -124.10 -129.50 -133.90 -139.40 -144.55 -148.39 -154.12 -159.49 -162.27 -168.06 -172.65 -175.62 178.73 174.86 170.90 S21 (Mag) 4.732 4.677 4.624 4.624 4.571 4.571 4.467 4.467 4.467 4.576 4.537 4.492 4.450 4.406 4.357 4.321 4.265 4.222 4.178 4.115 4.081 4.018 3.984 3.928 3.868 3.828 3.757 3.713 3.655 3.597 3.560 3.501 3.458 S21 (Ang) 163.00 160.00 156.00 152.00 148.00 143.00 139.00 134.00 130.00 132.39 128.65 124.94 121.26 117.51 113.92 110.26 106.53 103.05 99.26 95.85 92.16 88.51 85.14 81.27 77.98 74.36 70.85 67.63 64.07 60.85 57.48 54.10 50.87 S12 (Mag) 0.091 0.092 0.093 0.093 0.093 0.094 0.094 0.094 0.094 0.096 0.096 0.096 0.095 0.095 0.094 0.094 0.093 0.093 0.092 0.091 0.091 0.090 0.089 0.088 0.087 0.087 0.085 0.085 0.083 0.082 0.081 0.080 0.079 S12 (Ang) 7.59 2.17 -1.66 -4.84 -7.70 -10.40 -12.90 -15.40 -17.90 -18.13 -20.21 -22.23 -24.21 -26.26 -28.09 -30.05 -32.01 -33.81 -35.95 -37.66 -39.71 -41.70 -43.45 -45.65 -47.48 -49.46 -51.43 -53.15 -55.23 -56.91 -58.82 -60.67 -62.36 S22 (Mag) 0.292 0.275 0.263 0.257 0.248 0.243 0.234 0.229 0.221 0.108 0.102 0.100 0.098 0.093 0.094 0.089 0.086 0.087 0.078 0.081 0.077 0.073 0.076 0.067 0.070 0.065 0.060 0.062 0.055 0.055 0.052 0.049 0.048 S22 (Ang) -24.50 -23.50 -23.80 -25.00 -27.00 -29.20 -31.50 -34.30 -37.50 -27.27 -27.41 -27.26 -30.03 -29.92 -30.82 -33.77 -32.21 -36.15 -37.29 -36.43 -42.91 -39.88 -45.37 -46.63 -45.24 -52.31 -49.00 -52.88 -56.02 -55.16 -59.73 -59.49 -60.99
WJ Communications, Inc. * Phone: 1-800-WJ1-4401 * FAX: 408-577-6620 * e-mail: sales@wj.com * Web site: www.wj.com
April 2002

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