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AP602-PCB1960 Datasheet(PDF) 4 Page - WJ Communication. Inc. |
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AP602-PCB1960 Datasheet(HTML) 4 Page - WJ Communication. Inc. |
4 / 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 4 of 11 May 2007 ver 1 AP602 High Dynamic Range 4W 28V HBT Amplifier 869-960 Application Circuit (AP602-PCB900) Typical WCDMA Performance at 25 °C at a channel power of +27 dBm Frequency 940 MHz W-CDMA Channel Power +27 dBm Power Gain 15.5 dB Input Return Loss 11 dB Output Return Loss 6.4 dB ACLR -50 dBc IMD3 @ +27 dBm PEP -50 dBc Operating Current, Icc 103 mA Collector Efficiency 17 % Output P1dB +35.7 dBm Quiescent Current, Icq 80 mA Vpd, Vbias +5 V Vcc +28 V Notes: 1. The primary RF microstrip line is 50 Ω. 2. Components shown on the silkscreen but not on the schematic are not used. 3. C20 is not required in the final design if there is no DC signal present at the output of the amplifier circuit. 4. The center of C24 is placed at 0.280” (11.5 ° @ 940 MHz) from the edge of the AP602 (U1). 5. The center of L10 is placed at 0.570” (23.4 ° @ 940 MHz) from the edge of the AP602 (U1). 6. The center of C19 is placed at 0.050” (2.1 ° @ 940 MHz) the center of L10. 7. The bold-faced RF trace is for the DC bias feed. The stub’s length is approximately a ¼ λ. 8. The main RF trace is cut at component L3 and L4 for this particular reference design. 869-960 MHz Application Circuit Performance Plots Gain vs. Frequency Vcc = 28V, Icq = 80 mA, 25 ˚C 13 14 15 16 17 18 0.8 0.84 0.88 0.92 0.96 1 Frequency (GHz) S11, S22 vs. Frequency Vcc = 28V, Icq = 80 mA, 25 ˚C -25 -20 -15 -10 -5 0 0.8 0.85 0.9 0.95 1 1.05 1.1 Frequency (GHz) S11 S22 Efficiency vs. Output Power vs. Frequency CW tone, Vcc = 28V, Icq = 80 mA, 25 ˚C 0 10 20 30 40 50 18 22 26 30 34 Output Power (dBm) 920 MHz 940 MHz 960 MHz ACLR1 vs. Output Power vs. Frequency WCDMA, Vcc= 28V, Icq = 40mA, 25 oC -62 -58 -54 -50 -46 -42 18 20 22 24 26 28 Output Power (dBm) 869MHz 880MHz 894MHz 920MHz 940MHz 960MHz WCDMA 3GPP TM 1+64 DPCH; PAR = 8.6 @0.01% 60% clipping, Ch. BW = 3.84 MHz; IMD vs. Output Power CW 2-tone signal, 940 MHz, ∆f = 1 MHz, 28V, 80 mA Icq, 25 ˚C -80 -70 -60 -50 -40 22 24 26 28 30 32 Output Power, PEP (dBm) IMD3L IMD3U IMD5 Efficiency vs. Output Power vs. Frequency WCDMA, Vcc = 28V, Icq = 80 mA, 25 ˚C 0 5 10 15 20 25 18 20 22 24 26 28 Average Output Power (dBm) 920 MHz 940 MHz 960 MHz Unconditionally stable version of this application circuit is available for download off of the website at: http://www.wj.com See note 4 2 Ohm C7 1000pF C24 L3 C30 L10 W = .030” L = 1.570” C15 100pF C30 100pF L10 8.2 nH See note 5 C19 0.4 pF See note 6 |
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