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| WJA1001 Product Features 50 - 3000 MHz 19 dB Gain @ 900MHz +20 dBm P1dB @ 900MHz +45 dBm OIP3 @ 900MHz +5V Single Supply Low current draw (100 mA) Unconditionally stable Internally matched to 50 Robust 1000V ESD, Class 1C Lead-free/green/RoHS-compliant SOT-89 package +5V Active-Bias InGaP HBT Gain Block Product Description The WJA1001 is a cascadable gain block that offers high linearity in a low-cost surface-mount package. At 900 MHz, the WJA1001 typically provides 19 dB gain, +45 dBm OIP3, and +20 dBm P1dB. The device is housed in a leadfree/green/RoHS-compliant SOT-89 SMT package using a NiPdAu plating to eliminate the possibility of tin whiskering. The WJA1001 consists of a Darlington-pair amplifier using a high reliability InGaP/GaAs HBT process technology. The amplifier has been optimized internally to offer very high linearity performance at 1 GHz while drawing very low current. The MMIC amplifier is internally matched to 50 and only requires DC-blocking capacitors and a bias inductor for operation. An internal active bias is designed to enable stable performance over temperature and allow for operation directly from a +5V supply voltage. The broadband amplifier can be directly applied to various current and next generation wireless technologies such as GSM, CDMA, W-CDMA, WiBro, and WiMAX. The WJA1001 is ideal for general purpose applications such as LO buffering or amplification and pre-driver stages within the 50 to 3000 MHz frequency range. Functional Diagram GND 4 1 RF IN 2 GND 3 RF OUT Function Input Output/Bias Ground Pin No. 1 3 2, 4 Applications GSM, PCS, CDMA, WCDMA WiMAX, WiBro Repeaters, BTS Transceivers RFID Specifications (1) Parameter Operational Bandwidth Test Frequency Gain Input Return Loss Output Return Loss Output P1dB Output IP3 (2) Noise Figure Device Voltage Device Current Typical Performance (3) Units MHz MHz dB dB dB dBm dBm dB V mA Min 50 Typ 900 19 12 14 +19.7 +44.5 5.4 5.0 100 Max 3000 Parameter Units Frequency S21 S11 S22 Output P1dB Output IP3 (2) Noise Figure MHz dB dB dB dBm dBm dB 200 19.6 -13 -22 +39.7 4.8 500 19.2 -15 -20 +39 5.0 Typical 900 18.5 -18 -15 +19.7 +44 5.4 1900 16.7 -30 -11 +19.2 +34 6.1 2100 16.4 -26 -12 +18.1 +34 6.4 +20.4 +20.3 3. Listed typical performance parameters measured on evaluation board. 1. Test conditions: 25 C, Supply Voltage = +5 V, 50 System. S-parameters and 3OIP measured at device pins. All other specifications measured on evaluation board. 2. 3OIP measured with two tones at an output power of +8 dBm/tone separated by 1 MHz. The suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule. Absolute Maximum Rating Parameter Storage Temperature Supply Voltage Input Power jc (junction to paddle) Maximum Junction Temperature -55 to +150 C +6.5 V +24 dBm 80.6 C / W 150 C Rating Ordering Information Part No. WJA1001 WJA1001-PCB Description +5V Active Bias InGaP HBT Gain Block (lead-free/green/RoHS-compliant SOT-89 Package) 50 - 3000 MHz Fully Assembled Eval. Board Operation of this device above any of these parameters may cause permanent damage. Standard tape / reel size = 1000 pieces on a 7 reel 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 1 of 4 January 2008 WJA1001 Gain vs. Frequency 25 +5V Active-Bias InGaP HBT Gain Block Typical Evaluation Board RF Performance Supply Bias = +5V, Icc = 100 mA Return Loss vs. Frequency 0 -5 20 S11, S22 (dB) -10 NF (dB) 8 10 NF vs. Frequency Gain (dB) 15 -15 -20 -25 6 10 4 5 -40C 0 0 1000 2000 Frequency (MHz) 3000 +25C +85C -30 -35 0 1000 2000 Frequency (MHz) 3000 S11 S22 2 -40C 0 0 1000 +25C +85C 2000 Frequency (MHz) 3000 OIP3 vs. Output Power 45 Frequency = 900MHz, T = 25C OIP3 vs. Frequency Pout = 8dBm /tone OIP3 vs. Vcc Frequency = 900MHz, T = 25C 45 45 40 OIP3 (dBm) 40 OIP3 (dBm) 40 OIP3 (dBm) -40C +25C +85C 25 4.7 35 35 35 30 30 30 25 0 2 4 6 8 Output Power per tone (dBm ) 10 12 25 0 1000 2000 Frequency (MHz) 3000 4.8 4.9 5 Supply Voltage (V) 5.1 5.2 P1dB vs. Frequency 22 20 P1dB (dBm) 18 16 14 12 0 1000 2000 Frequency (MHz) 3000 -40C +25C +85C P1dB vs. Vcc Frequency = 900MHz, T = 25C Icc vs. Vcc Frequency = 900MHz, T = 25C 22 20 P1dB (dBm) 18 16 14 12 4.7 120 110 100 Icc (mA) 4.8 4.9 5 Supply Voltage (V) 5.1 5.2 90 80 70 60 4.7 4.8 4.9 5 Supply Voltage (V) 5.1 5.2 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 January 2008 WJA1001 Vcc =+5.00V Icc = 100 mA R4 0 +5V Active-Bias InGaP HBT Gain Block Application Circuit C3 Bypass Capacitor RF IN R1 0 L1 RF Choke RF OUT WJA1001 C1 Blocking Capacitor R2 0 C2 Blocking Capacitor Recommended Component Values (1) Ref. Name Value / Type L1 470 nH ferrite core wire wound inductor (2) C1, C2 1000 pF NPO chip capacitor C3 0.018 F chip capacitor R1, R2, R4 0 (3) C4, C5, C6, Do Not Place (3) R3, R5, R6, R7, R8 1. 2. 3. Size 0805 0603 0603 0603 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 0 resistors and "Do Not Place" references are not needed for final design. Typical Device Data S-Parameters (Vdevice = +5 V, ICC = 100 mA, T = 25 C, calibrated to device leads) Freq (GHz) S11 (dB) S11 (ang) S21 (dB) S21 (ang) S12 (dB) 10 -16.19 -74.53 22.52 170.02 -25.75 50 -13.73 -150.31 20.24 167.55 -23.34 100 -13.40 -165.59 19.82 167.74 -23.16 200 -13.27 -173.49 19.60 162.77 -23.09 400 -12.67 -178.71 19.50 149.81 -23.01 600 -12.13 177.74 19.35 136.50 -22.97 800 -11.99 172.41 19.15 122.68 -22.90 1000 -12.07 163.93 18.99 109.45 -22.85 1200 -12.02 152.87 18.73 94.83 -22.84 1400 -11.71 142.18 18.33 81.54 -22.75 1600 -11.76 132.89 18.10 67.63 -22.81 1800 -12.61 125.70 17.71 53.78 -22.66 2000 -14.95 116.23 17.35 40.27 -22.75 2200 -18.89 100.16 16.88 26.53 -22.71 2400 -24.73 70.36 16.27 12.71 -22.78 2600 -32.51 32.55 15.76 -1.15 -22.67 2800 -28.92 -123.80 15.14 -14.50 -22.65 3000 -18.69 -139.28 14.31 -28.11 -22.55 3200 -13.74 -143.12 13.44 -41.58 -22.62 3400 -10.86 -145.10 12.37 -53.94 -22.64 3600 -9.38 -150.89 11.40 -65.62 -22.59 3800 -8.61 -162.51 10.54 -76.54 -22.46 4000 -7.74 -178.88 9.54 -88.57 -22.15 S12 (ang) 12.97 6.00 2.19 -1.09 -4.76 -8.79 -12.46 -16.03 -19.42 -23.24 -27.41 -30.65 -35.01 -38.53 -41.54 -45.93 -49.54 -53.67 -57.98 -61.93 -65.84 -69.00 -73.94 S22 (dB) -11.35 -17.22 -18.78 -19.05 -18.29 -17.08 -15.70 -13.92 -12.73 -11.59 -10.74 -9.99 -9.15 -8.48 -8.13 -8.09 -8.09 -7.84 -7.43 -7.02 -6.80 -6.67 -6.65 S22 (ang) -37.50 -110.83 -136.33 -148.58 -151.10 -151.78 -150.91 -151.81 -157.08 -165.19 -173.87 179.93 175.81 171.38 165.83 157.59 148.86 140.92 135.57 130.30 126.09 121.50 116.69 Device S-parameters are available for Download from the website at: http://www.wj.com 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 January 2008 WJA1001 +5V Active-Bias InGaP HBT Gain Block Mechanical Information This package is lead-free/Green/RoHS-compliant. It is compatible with both lead-free (maximum 260 C reflow temperature) and leaded (maximum 245 C reflow temperature) soldering processes. The plating material on the leads is NiPdAu. Outline Drawing Product Marking The WJA1001 will be marked with an "A1001" designator with an alphanumeric lot code marked below the part designator. Tape and reel specifications for this part are located on the website in the "Application Notes" section. A1001 XXXX-X MSL / ESD Rating Land Pattern ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard: Class 1C Passes 1000V min. Human Body Model (HBM) JEDEC Standard JESD22-A114 Class IV Passes 1000V min. 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 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 January 2008 |
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