Datasheet AD8010 (Analog Devices) - 6

AD8010 5 0 POUT 4dBm 4dBm –5 –10 PMEASURE = 10dBm (FULL SCALE) dBm – G = +2 –15 GAIN = 6.6 R –20 L = 18.75 RF f –25 O = 5MHz –30 RG f = 10kHz 50 –35 dBm 50 – –40 150 50 –45 –50 500kHz TONE SPACING FROM –55 MEASURE 500kHz TO 5.5MHz WITH P –60 4 MISSING TONES –65 –69dBm –69dBm –70 INTERMODULATION DISTORTION –75 –80 –85 –90 4.965 4.985 5.0 5.015 5.035 0 1 2 3 4 5 6 7 8 9 10 FREQUENCY – MHz FREQUENCY – MHz
Figure 9. Intermodulation Distortion Figure 12. Multitone Distortion; RL = 100 Ω
–35 –55 FREQUENCY = 5MHz G = +2 G = +2 –45 –60 V R O = 2V p-p dBc L = AS SHOWN (SEE SCHEMATIC) f = 5MHz – dBc –55 – –65 RL = 18.75 –65 –70 –75 –75 RF –85 RL = 100 R –80 G 2ND 50 POUT 150 HARMONIC DISTORTION –95 R –85 3RD TOTAL HARMONIC DISTORTION P L1 50 R IN L1 = FOR RL = 100 50 RL1 = 23.1 FOR RL = 18.75 –105 –90 –10 –8 –6 –4 –2 0 2 4 6 8 10 12 15 100 200 300 400 500 POUT – dBm LOAD –
Figure 10. Total Harmonic Distortion vs. POUT; G = +2 Figure 13. Harmonic Distortion vs. Load
2 G = +1 G = +2 1 8.0 VO = 0.2V p-p G = +2 4 7.0 NUMBER OF VIDEO LOADS AS SHOWN 0 1 6.0 dB – –1 5.0 –2 dB – 4.0 G = +3 –3 12 GAIN 3.0 –4 GAIN AS SHOWN 8 V 2.0 O = 0.2V p-p NORMALIZED GAIN –5 RL = 18.75 1.0 –6 0.0 –7 0.1 1 10 100 1000 1 10 100 1000 FREQUENCY – MHz FREQUENCY – MHz
Figure 11. Small Signal Closed-Loop Frequency Figure 14. Closed-Loop Frequency Response vs. Response; RL = 18.75 Ω Number of Video Loads REV. B –5–