AP601 WJ Communications, Inc., AP601 Datasheet
AP601
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AP601 Summary of contents
Page 1
... ACLR), but will decrease the efficiency performance slightly. More information is given in the other parts of this datasheet. 2. The AP601 evaluation board has been tested for ruggedness to be capable of handling: 7:1 VSWR @ +28 Vcc, 2140 MHz Pout, 5:1 VSWR @ +30 Vcc, 2140 MHz Pout, 3:1 VSWR @ +32 Vcc, 2140 MHz Pout ...
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... AP601 High Dynamic Range 1.8W 28V HBT Amplifier S-Parameters ( Gain / Maximum Stable Gain 40 DB(|S(2,1)|) -10 0 0.5 1 1.5 Frequency (GHz) The gain for the unmatched device in 50 ohm system is shown as the trace in black color. For a tuned circuit for a particular frequency expected that actual gain will be higher the maximum stable gain. The maximum stable gain is shown in the marked red line. The impedance plots are shown from 50 – ...
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... Vpd is used as a reference for the internal active bias circuitry. It can be used to turn on/off the amplifier. Ipd depends on the Icq quiescent current setting. Ipd can 2mA at a quiescent current setting of 40mA. 3. Vbias should be maintained fixed at +5V. Ibias will change based on RF input power level. It can 2mA on the AP601 ...
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... The center of C24 is placed at 0.285” (11.7°@ 940 MHz) from the edge of the AP601 (U1). 5. The center of C26 is placed at 0.055” (2.3° @ 940 MHz) from the edge of the AP601 (U1). 6. The center 0.095” (3.9° @ 940 MHz) from the center of C26. ...
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... The center placed at 0.085” (7.3° @ 1960 MHz) from the edge of the AP601 (U1). 5. The center of C19 is placed at 0.755” (64.5° @ 1960 MHz) from the edge of the AP601 (U1). 6. The center of C18 is placed at 0.300” (25.6° @ 1960 MHz) from the center of C19. ...
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... The center placed at 0.100” (9.3° @ 2140 MHz) from the edge of the AP601 (U1). 6. The center of C19 is placed at 0.760” (70.9° @ 2140 MHz) from the edge of the AP601 (U1). 7. The bold-faced RF trace is for the DC bias feed. The stub’s length is approximately a ¼ λ. ...
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... AP601 High Dynamic Range 1.8W 28V HBT Amplifier 2110-2170 MHz Application Circuit Performance Plots W-CDMA 3GPP Test Model 1+64 DPCH, 60% clipping, PAR = 8 0.01% Probability, 3.84 MHz BW Gain vs. Output Power vs. Temperature CW tone, Vcc = 28V, Icq = 40 mA, 2140 MHz -40 ˚ ˚C 85 ˚ ...
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... High Dynamic Range 1.8W 28V HBT Amplifier 2110-2170 MHz Application Note: Changing Icq Biasing Configurations The AP601 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 the quiescent current (I This biasing level represents the best tradeoff in terms of linearity and efficiency ...
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... Components shown on the silkscreen but not on the schematic are not used. 3. The center placed at 0.050” (5.1° @ 2.35 GHz) from the edge of the AP601 (U1). 4. The center of C19 is placed at 0.650” (66.6° @ 2.35 GHz) from the edge of the AP601 (U1). 5. The center of C30 is placed at 0.110” (11.3° @ 2.35 GHz) from the center of C19. ...
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... Junction Temperature (°C) Product Marking The component will be laser marked with a “AP601-F” product label with an alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part will be located on the website in the “Application Notes” section. ...