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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AP602 데이터시트(PDF) 9 Page - WJ Communication. Inc. |
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AP602 데이터시트(HTML) 9 Page - WJ Communication. Inc. |
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9 / 11 page  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 9 of 11 May 2007 ver 1 AP602 High Dynamic Range 4W 28V HBT Amplifier 2110-2170 MHz Application Note: Changing Icq Biasing Configurations The AP602 can be configured to operate with lower bias current by varying the bias-adjust resistor – R2. The recommended circuit configurations shown previously in this datasheet have the device operating with a 80 mA as the quiescent current (ICQ). This biasing level represents the best tradeoff in terms of linearity and efficiency. Lowering ICQ will improve upon the efficiency of the device, but degraded linearity. Increasing ICQ has nominal improvement upon the linearity, but will degrade the device’s efficiency. Measured data shown in the plots below represents the AP602 measured and configured for 2.14 GHz applications. It is expected that variation of the bias current for other frequency applications will produce similar performance results. Icq (mA) R2 (ohms) VPD (V) PIN_VPD (V) 20 6.00k 5 2.53 40 2.76k 5 2.61 60 1.80k 5 2.67 80 1.33k 5 2.73 100 1.05k 5 2.79 120 859 5 2.84 140 723 5 2.89 160 621 5 2.94 Thermal Rise vs. Output Power vs. Icq Vcc = 28V 0 20 40 60 80 17 19 21 23 25 27 29 Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA See note 6 C22 0.5 pF See note 5 See note 4 See note 3 C7 100pF W = .030” L = .980” ACLR1 vs. Output Power vs. Icq WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C -65 -60 -55 -50 -45 -40 -35 19 21 23 25 27 29 Average Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA Icc vs. Output Power vs. Icq WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C 0 50 100 150 200 19 21 23 25 27 29 Average Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA Efficiency vs. Output Power vs. Icq WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C 0 5 10 15 20 25 30 19 21 23 25 27 29 Average Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA Gain vs. Output Power vs. Icq CW tone, Vcc = 28V, 2140 MHz, 25 ˚C 11 12 13 14 15 16 20 24 28 32 36 Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA Output Power vs. Input Power vs. Icq CW tone, Vcc = 28V, 2140 MHz, 25 ˚C 20 24 28 32 36 8 12162024 Input Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA Efficiency vs. Output Power vs. Icq CW tone, Vcc = 28V, 2140 MHz, 25 ˚C 0 10 20 30 40 50 20 24 28 32 36 Output Power (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA OIP3 vs. Output Power vs. Icq CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C 30 35 40 45 50 55 24 26 28 30 32 34 Output Power, PEP (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA IMD3 vs. Output Power vs. Icq CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C -80 -70 -60 -50 -40 -30 24 26 28 30 32 34 Output Power, PEP (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA IMD5 vs. Output Power vs. Icq CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C -80 -70 -60 -50 -40 -30 24 26 28 30 32 34 Output Power, PEP (dBm) 20 mA 40 mA 60 mA 80 mA 100 mA 120 mA 140 mA 160 mA 1000 pF |
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