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SA2411

+20 dBm single chip linear amplifier for WLAN

Product data

2003 Feb 07

INTEGRATED CIRCUITS

Supersedes data of 2002 Jul 31

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Содержание SA2411

Страница 1: ... SA2411 20 dBm single chip linear amplifier for WLAN Product data 2003 Feb 07 INTEGRATED CIRCUITS Supersedes data of 2002 Jul 31 ...

Страница 2: ...single ended output internally matched 15 dB gain block Power detector Bias adjust pin 18 efficiency at 3 V RF matching for SA2400A 3 APPLICATIONS IEEE 802 11 and 802 11b radios Supports DSSS and CCK modulation Supports data rates 1 2 5 5 and 11 Mbps 2 45 GHz ISM band wireless communication devices Table 1 Ordering information TYPE NUMBER PACKAGE TYPE NUMBER NAME DESCRIPTION VERSION SA2411DH TSSOP...

Страница 3: ...er 150 mA A VDD_DRIVER 2 Analog supply VDD for biasing driver 35 mA A GND 3 Grounding A IN 4 Input pin positive part of balanced signal AI IN 5 Input pin negative part of balanced signal AI GND 6 Grounding A DETECTOR 7 Power detector output AO GND 8 Grounding A GND 9 Grounding A MODE 10 Mode switch floating high gain grounded low gain AI GND 11 Grounding A ANT 12 Output pin RF to antenna AO RF_GND...

Страница 4: ...matching includes the supply feed for the power amplifier The pin VDD_MAIN is the main supply for the amplifier No additional filtering is needed to meet the 802 11b spec Power detector The power detector detects the power level and transforms it into a low frequency current The detector output must be loaded with a resistor to ground for the highest accuracy This resistor has an optimal value of ...

Страница 5: ... GND ANT GND MODE GND RFin R1 R2 Idet Vdet VDD SA2411 C1 C2 C3 5 6 pF C4 10 nF R1 optional connect to ground via 0 W resistor R2 optional resistor to ground to convert current into voltage L1 L2 L3 Optional inductors 1 nH 10 nH or microstrip lines with length 1 10 mm No inductors and directly connecting all supplies to VDD might cause problems The optimal values of the inductors depends on the app...

Страница 6: ... dB 35 mA 185 mA 20 dBm Low Grounded 20 0 dBm 13 dB 28 mA 185 mA 20 dBm Power detector The power detector current output is linear proportional with the RF output voltage The RF output power is quadratic proportional to the RF output voltage Therefore the detector is quadratic proportional to the output power The following relation can be expressed Pout k Vndetector Pout is output power in mWatt V...

Страница 7: ...ks Min Nom Max Units DC DC current Standard mode pin 10 is floating 35 mA DC current Low output power mode pin 10 is grounded 28 mA Leakage current Vpwrup 0 V Vss 3 0 V 10 µA AC 802 11b MODULATION Output back off relative to 1 dB compression of single carrier 2 dB RF frequency 2 4 2 45 2 5 GHz Input impedance Differential 75 Ω 25j Ω 100 Ω Load impedance Single ended 50 Ω Power gain for small signa...

Страница 8: ... error From 30 C to 80 C from 2 7 V to 3 6 V at 19 dBm output power 0 15 V Detector power range 10 21 dBm 11 GRAPHS The following graphs are only for a typical sample measured on a SA2411 test board under nominal condition applying an 11Mb s CCK 802 11b modulation Corrections for input output and supply losses have been applied The dotted lines represent the low gain mode The solid lines are for t...

Страница 9: ...8 Pin dbm Pout dBm Figure 5 Output power vs input power SR02467 Gain versus Output Power 12 13 14 15 16 5 10 15 20 Pout dbm Gain dB Figure 6 Gain vs output power SR02468 Efficiency versus Output Power 0 0 5 0 10 0 15 0 20 0 25 0 2 2 6 10 14 18 22 Pout dbm Efficiency 2 7Volt Figure 7 Efficiency vs output power SR02469 Current consumption vs Output Power 0 50 100 150 200 10 6 2 2 6 10 14 18 22 Pout ...

Страница 10: ...put power SR02471 ALT versus Output Power 62 58 54 50 46 7 12 17 22 Pout dbm ALT dBc Figure 10 ALT vs output power SR02472 Detector Voltage versus Output Power 0 0 5 1 1 5 2 8 10 12 14 16 18 20 22 Pout dbm Detector V Figure 11 Detector voltage vs output power SR02473 Detector Error versus Output Power 1 0 0 5 0 0 0 5 1 0 7 12 17 22 Pout dbm Detector error dB Figure 12 Detector error vs output powe...

Страница 11: ...utput Power dBm Figure 13 Output power vs frequency SR02475 Gain versus Frequency 11 12 13 14 15 2 40E 00 2 43E 00 2 45E 00 2 48E 00 2 50E 00 Frequency GHz Gain dB Figure 14 Gain vs frequency SR02476 Efficiency versus Frequency 0 0 5 0 10 0 15 0 20 0 2 40E 00 2 43E 00 2 45E 00 2 48E 00 2 50E 00 Frequency GHz Eficiency Figure 15 Efficiency vs frequency SR02477 ACPR versus frequency 36 34 32 30 28 2...

Страница 12: ...equency GHz ALT dBc Figure 17 ALT vs frequency SR02479 Detector Voltage versus Frequency 0 0 5 1 1 5 2 2 40E 00 2 43E 00 2 45E 00 2 48E 00 2 50E 00 Frequency GHz Detector voltage V Figure 18 Detector voltage vs frequency SR02480 Detector Errror versus Frequency 1 0 0 5 0 0 0 5 1 0 2 40E 00 2 43E 00 2 45E 00 2 48E 00 2 50E 00 Frequency GHz Detector Error dB Figure 19 Detector error vs frequency ...

Страница 13: ... ÎÎ ÎÎ ÎÎ ÎÎÎ ÎÎÎ ÏÏ Ï ÏÏ Ï ÏÏ Ï Ï ÏÏ ÏÏ ÏÏ ÏÏ ÏÏ ÏÏ ÏÏÏ ÏÏÏ 13 00 14 00 15 00 16 00 17 00 2 8 3 0 3 2 3 4 3 6 Supply Voltage V Gain dB ÎÎ ÎÎ 30 0 25 ÏÏ70 85 Figure 21 Gain vs supply voltage mode high SR02483 ÎÎ Î ÎÎ Î Î ÎÎ Î ÎÎ ÎÎ ÎÎ ÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÏÏ Ï ÏÏ Ï Ï ÏÏ ÏÏ Ï Ï ÏÏ ÏÏ ÏÏ ÏÏÏÏÏ ÏÏÏÏÏ 17 00 18 00 19 00 20 00 2 8 3 0 3 2 3 4 3 6 Supply Voltage V Pout dBm ÎÎÎ 30 0 25 ÏÏÏ70 85 Figure 22 Output...

Страница 14: ..._LO SA2400A DD A_GND TX_OUT_HI_P TX_OUT_HI_M A_GND SEN SDATA SCLK TX RX TX_IN_I_P TX_DATA_I TX_IN_I_M TX_DATA_Q TX_IN_Q_P TX_IN_Q_M AGCRESET AGCSET IDCOUT A_GND 1 2 3 4 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 VDD_MAIN VDD_DRIVER IN IN GND DETECTOR GND PWRUP GND RF_GND ANT GND MODE GND GND VDD_BIAS SA2411 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 VDD PWRUP Idetector C2 3 WIRE BUS RF connection...

Страница 15: ...Philips Semiconductors Product data SA2411 20 dBm single chip linear amplifier for WLAN 2003 Feb 07 15 TSSOP16 plastic thin shrink small outline package 16 leads body width 4 4 mm SOT403 1 ...

Страница 16: ...am signal Power mode changed to Power up power mode Pin names modified Functional description Section 6 Power mode from 14 dB or 14 5 dB gain to 13 dB or 14 5 dB gain Typical small signal Gain HIGH changed from 15 dB to 14 5 dB LOW changed from 14 dB to 13 dB Input impedance nom changed from 200 Ω to 100 Ω Condition changed from differential 100 100 Ω to differential 75 Ω 25j Ω Gain nom changed fr...

Страница 17: ...rocessChangeNotification CPCN PhilipsSemiconductorsassumesnoresponsibilityorliabilityfortheuseofanyoftheseproducts conveys no license or title under any patent copyright or mask work right to these products and makes no representations or warranties that these products are free from patent copyright or mask work right infringement unless otherwise specified Contact information For additional infor...

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