MAX2651/MAX2652/MAX2653 EV Kit Full Data Sheet
Contents
1. Figure 16 MAX2653 EV Kit PC Board Layout Ground Plane 1 Figure 17 MAX2653EV Kit PC Board Layout Ground Plane 2 Figure 18 MAX2653 EV Kit PC Board Layout Solder Side 10 AVLAZCLAVI MAX2651 MAX2652 MAX2653 Evaluation Kits NOTES MAAILM 11 S9cXVW ca9cXVW LS9cxviW Evaluate MAX2651 MAX2652 MAX2653 MAX2651 MAX2652 MAX2653 Evaluation Kits NOTES Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied a Maxim product No circuit patent licenses are implied Maxim reserves the right to change the circuitry and specifications without notice at any time 12 Maxim Integrated Products 120 San Gabriel Drive Sunnyvale 94086 408 737 7600 1999 Maxim Integrated Products Printed USA MAXIM is a registered trademark of Maxim Integrated Products2. PC board C10 0 01uF 5 ceramic capacitor 0603 None 1 MAX2653 data sheet M rata GRMS9X7R103350 None 1 MAX2653 EV kit data sheet 2 MAXIM MAX2651 MAX2652 MAX2653 Evaluation Kits Test Equipment Required This section lists the required test equipment to verify operation of the MAX2651 MAX2652 MAX2653 It is intended as a guide only some substitutions are possi ble e RF signal generator capable of delivering at least OdBm of output power up to 2 5GHz HP 8648C or equivalent e An RF spectrum analyzer that covers the operating frequency range plus a few harmonics HP 8561E for example e A power supply capable of up to 25mA at 2 7V to 3 3V e An optional ammeter for measuring the supply cur rent e Two 500 SMA cables e A noise figure meter HP 8970B for example to measure noise figure optional e A network analyzer HP 8753D for example to measure return loss and gain optional Connections and Setup The MAX2651 MAX2652 MAX2653 EV kits are fully assembled and factory tested This section provides a step by step guide to operating the EV kits and testing the devices functions Do not turn on the DC power or RF signal generator until all connections are made Checking Power Gain DCS Band For the MAX2651 MAX2652 EV kits ensure that the GSMIN and GSMOUT ports are terminated into 50Q High Gain Mode 1 Connect a 3VDC supply through an ammeter if desired to the EV kit s VCC and
3. 03 5 4 8 2nH 5 inductor 0603 urata GRM39COG1R2B050 z urata LQG11A8N2J00 C8 C13 0 ot installed R1 R2 R5 3 9100 5 resistors 0603 1uF 10 MAX ceramic capacitor R3 0 Not installed C9 1 0805 Murata GRM39COG2R2B50 or R4 4 2400 5 resistor 0603 Taiyo Yuden LMK212BJ105KG O SOP 4OADE R6 5 resistor 0402 2pF 0 1pF ceramic capacitor 1 0603 Murata GRM39COG2R2B050 U MAX2652EUB 10 uMAX 100pF 5 ceramic capacitor 0603 None 3 Shunts GUT JUa JU3 C11 1 Murata GRM39COG101J050 or None 1 MAX2652 EV kit PC board Taiyo Yuden UMK107CH101JZ one 1 MAX2652 data sheet None 1 MAX2652 EV kit data sheet MAX2653 EV Kit Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION euer 2 100pF 5 ceramic capacitors 0603 DCSIN 4 SMA connector PC edge mount urata GRM39COG101J50 DCSOUT EF Johnson 142 0701 801 C2 1 5pF x0 1pF ceramic capacitor 0603 L1 4 3 3nH 0 3nH inductor 0603 Murata GRM39COG1R5B50 Murata LQG11A3N3S00 C3 4 47pF 5 ceramic capacitor 0603 L3 1 uu 2 urata GRM39COG470J50 1kQ 5 resistors 0603 4 1 0pF 0 1pF ceramic capacitor 0603 R1 R8 2 ca Murata GRM39COG010B50 BAUS P R2 7 3300 5 resistor 0603 C5 C8 Not installed Kamaya RMC16331JT C6 150pF 5 ceramic capacitor 0805 m 00 resistor 0603 Murata GRM40COG 15150 Kamaya RMC16000JT C9 3 2200pF 5 ceramic capacitor 0603 U1 1 MAX2653EUA Murata GAM39X7 qi None 1 MAX2653 EV kit
4. 1 GSMOUT MAAKLM Maxim Integrated Products 1 For free samples amp the latest literature http www maxim ic com or phone 1 800 998 8800 For small orders phone 1 800 835 8769 S9cXVW ca9cXVW LS9cxviW Evaluate MAX2651 MAX2652 MAX2653 MAX2651 MAX2652 MAX2653 Evaluation Kits MAX2652 EV Kit Component List DESIGNATION QTY DESCRIPTION 47pF 5 ceramic capacitor 0603 BAND GAIN C14 1 Murata GRM39COG4704J050 or GND SHDN 5 Test points Taiyo Yuden UMK107CH470JZ VCC ouser 151 203 DCSIN DCSOUT SMA connectors PC edge mount C1 C5 C6 220pF 5 ceramic capacitors 0603 GSMIN 4 Johnson 142 0701 801 C12 i 4 urata GRM39COG221J050 or Digi Key J502 ND Taiyo Yuden UMK107CH221JZ SOI 68 5 ceramic 0603 JU1 JU2 JUS 3 headers C2 1 urata GRM39COG680J050 or 1 6 8nH 5 inductor 0603 Taiyo Yuden UMK107CH680JZ Us urata LQG11A6N8J00 C3 5 6pF 0 25pF ceramic capacitor 0603 2 4 3 3nH 0 3nH inductor 0603 urata GRM39COGB5R6CO050 urata LQG11A3N3S00 1 1pF 0 1pF ceramic capacitor 0603 4 P 2 2nH 0 3nH inductor 0603 urata GRMAOX7R105K010 E urata LQG11A2N2S00 C7 1 2pF 0 1pF ceramic capacitor 06
5. 19 1583 Rev 1 12 99 MA AALS MAX265 1 MAX2652 MAX 2653 Evaluation Kits General Description The MAX2651 MAX2652 MAX2653 evaluation kits EV kits simplify evaluation of the MAX2651 MAX2652 MAX2653 low noise amplifiers LNAs The kits enable testing of the devices RF performance and require no additional sup port circuitry The signal inputs and outputs use SMA con nectors to facilitate the connection of RF test equipment The MAX2651 MAX2652 EV kits are assembled with a MAX2651 MAX2652 and incorporate input and output matching components optimized for RF frequencies of 925MHz to 960MHz GSM band and 1805MHz to 1880MHz DCS band The MAX2653 EV kit is assem bled with a MAX2653 and incorporates input and out Features Easy Evaluation of MAX2651 MAX2652 MAX2653 2 7V to 3 3V Single Supply Operation GSM RF Input Output Matched to 500 at 925MHz to 960MHz MAX2651 MAX2652 DCS RF Input Output Matched to 500 at 1805MHz to 1880MHz All Peripheral Components Included Component Suppliers put matching components optimized for the DCS band SUPPLIER PHONE FAX WEB Coilcraft 847 639 6400 847 639 1469 WWW coilcraft com www Ordering Information EF Johnson 800 368 4923 507 835 8356 TEMP RANGE IC PACKAG
6. E Kamaya 919 489 1533 219 489 2261 pu MAX2651EVKIT 40 C to 85 C 10 uMAX MAX2652EVKIT 40 C to 85 C 10 uMAX a 800 241 6574 770 436 3030 2 MAX2653EVKIT 40 C to 85 C 8 MAX rica ADS Msc ass Taiyo Yuden 408 573 4150 408 573 4159 WW T Yuden com MAX2651 EV Kit Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 4 68pF 5 ceramic capacitor 0603 115 8 2nH 5 air core inductors 0603 Murata GRM39COG680J50 Murata LQG11A8N2J00 C2 4 15pF 5 ceramic capacitor 0603 T 4 3 9nH 0 3nH inductor 0603 Murata GRM39COG150J50 Murata LQG11A3N9S00 C3 1 1 5pF 0 1pF ceramic capacitor 0603 4 2 2nH 0 3nH inductor 0603 Murata GRM39COG1R5B50 Murata LQG11A2N2S00 220pF 5 ceramic capacitors 0603 n 5 5 11 4 9100 5 resistors 0603 Ve R1 R4 2 Murata GRM39COG221J50 Kamaya RMC16911JT 1 2pF 0 1pF ceramic capacitor 0603 C6 3300 5 resistor 0603 Mure a GRM39COG1R2B50 R2 Kamaya RMC16331JT Sr Ge l l 1800 5 resistor 0603 C9 2 2pF 0 1pF ceramic capacitor 0603 Kamaya RMC16181JT urata GRM39COG2R2B50 100pF 5 ceramic capacitor 0603 H5 el a Murata GRM39COG101J50V eee C12 1 0 01uF 10 ceramic cap 0805 gi MAA2651 C13 4 47pF 5 ceramic capacitor 0603 None MARE EOE VERO board Murata GRM39COG470J50 None 1 MAX2651 data sheet DCSIN one 1 MAX2651 EV kit data sheet DCSOUT A SMA connectors PC edge mount GSMIN EF Johnson 142 0701 80
7. GND terminals Do not turn on the supply 2 Connect an RF signal generator to the DCSIN SMA connector do not turn on the generator s output Set the generator for an output frequency of 1850MHz at a power level of 30dBm 3 Connect a spectrum analyzer to the EV kit s DCSOUT SMA connector Set the analyzer to a cen ter frequency of 1850MHz a total span of 200MHz and a reference level of OdBm 4 Connect a jumper wire between the EV kit s GAIN input and VCC high gain mode MAAILM 5 For the MAX2651 MAX2652 EV kits only connect a jumper wire between the EV kit s BAND input and VCC DCS mode 6 Turn on the DC supply If using an ammeter the supply current should read approximately 5 7mA for the MAX2651 7 0mA for the MAX2652 and 5 4mA for the MAX2653 7 Activate the RF generator s output A signal on the spectrum analyzer s display should indicate a typical gain of 18dB for the MAX2651 MAX2653 and 17dB for the MAX2652 after accounting for cable board and connector losses Board and connector loss correction is typically O 3dB for the DCS gain test Low Gain Mode 8 Deactivate the signal generator s output Remove the jumper wire between the GAIN input and VCC and reconnect the jumper wire between the GAIN input and ground low gain mode If using a current meter the supply current should now read approxi mately 2 2mA 9 Activate the RF generator s output A signal on the spectrum analyzer s displ
8. ay should indicate a typi cal gain of 2dB after accounting for cable and board losses 10 Another method for determining gain is to use a net work analyzer This has the advantage of displaying gain over a swept frequency band in addition to displaying input and output return loss Refer to the network analyzer manufacturer s user manual for setup details optional Checking Power Gain GSM Band MAX2651 MAX2652 EV Kits Only Ensure that the DCSIN and DCSOUT ports are terminat ed into 500 High Gain Mode 1 Connect a 3VDC supply through a current meter if desired to the EV kits VCC and GND terminals Do not turn on the supply 2 Connect an RF signal generator to the GSMIN SMA connector do not turn on the generator s output Set the generator for an output frequency of 945MHz at a power level of 30dBm 3 Connect a spectrum analyzer to the EV kit s GSMOUT SMA connector Set the analyzer to a center frequency of 945MHz a total span of 200MHz and a reference level of OdBm S9cXVW ca9cXVW LS9cxviW Evaluate MAX2651 MAX2652 MAX2653 MAX2651 MAX2652 MAX2653 Evaluation Kits 4 Connect a jumper wire between the EV kit s GAIN input and VCC high gain mode 5 Connect a jumper wire between the EV kit s BAND input and ground GSM mode 6 Turn on the DC supply If using an ammeter the supply current should read approximately 5 9mA for the MAX2651 and 7 2mA for the MAX2652 7 Activat
9. e 1 Figure 5 MAX2651 EV Kit PC Board Layout Ground Plane 2 Figure 6 MAX2651 EV Kit PC Board Layout Solder Side 6 MAXIM MAX2651 MAX2652 MAX2653 Evaluation Kits SMA GSMOUT U2 MAXIM AT MAX2652 X 100pF I EUR OPEN OPEN 1uF I 0402 JE 0402 9402 GSM W EE C5 2 ilt Figure 7 MAX2652 EV Kit Schematic OFF ON LOW HIGH vi IRS 1406 5 2552 Figure 8 2652 Kit Component Placement Guide Figure 9 MAX2652 EV Kit PC Board Layout Component Side MAALM 7 S9cXVW ca9cXVW LS9cxviW 3 Evaluate MAX2651 MAX2652 MAX2653 MAX2651 MAX2652 MAX2653 Evaluation Kits Figure 10 MAX2652 EV Kit PC Board Layout Ground Plane 1 Figure 11 MAX2652 EV Kit PC Board Layout Ground Plane 2 Figure 12 MAX2652 EV Kit PC Board Layout Solder Side 8 MAKIM MAX2651 MAX2652 MAX2653 Evaluation Kits U2 X 100pF MAXIM MAX2653 T ove Dd ukte tou ru ctu c9 ae ae ae 7779 pF SMA DCSIN 2200pF SMA DCSOUT Figure 13 MAX2653 EV Kit Schematic Figure 14 2653 EV Kit Component Placement Guide Figure 15 MAX2653 EV Kit PC Board Layout Component Side MAAILM 9 S9cXVW ca9cXVW LS9cxviW MAX2651 MAX2652 MAX2653 Evaluate MAX2651 MAX2652 MAX2653 Evaluation Kits
10. e the RF generator s output A signal on the spectrum analyzer s display should indicate a typi cal gain of 18dB after accounting for cable and board losses Board and connector loss correction is typically 0 3dB for the GSM gain test Low Gain Mode 8 Deactivate the signal generator s output Remove the jumper wire between the GAIN input and VCC and reconnect the jumper wire between the GAIN input and ground low gain mode If using a current meter the supply current should now read approxi mately 2 2mA for the MAX2651 and 2 4 for the 2652 9 Activate the RF generator s output A signal on the spectrum analyzer s display should indicate a typi cal gain of 2dB after accounting for cable and board losses 10 Another method for determining gain is to use a network analyzer This has the advantage of dis playing gain over a swept frequency band in addi tion to displaying input and output return loss Refer to the network analyzer manufacturer s user manual for setup details optional Checking Noise Figure Noise figure measurements on low noise devices are extremely sensitive to board and lab setup losses para sitics The specified MAX2651 MAX2652 MAX2653 noise figure values refer to the MAX2651 MAX2652 MAX2653 data sheet have board and connector losses subtracted out Board and connector loss correction is typically 0 1dB for the DCS band noise figure test and is negligible for GSM There are ma
11. ny techniques precautions for measuring a noise figure A detailed explanation of these items goes beyond the scope of this document For more information on how to perform this level of noise figure measurement refer to the noise figure meter s operating manual as well as Hewlett Packard Application Note 57 1 Layout Considerations A good PC board is an essential part of an RF circuit design The EV kit PC board can serve as a guide for lay ing out a board using the MAX2651 MAX2652 MAX2653 Each VCC node on the PC board should have its own decoupling capacitor This minimizes supply coupling from one section of the IC to another A star topology for the supply layout in which each VCC node on the circuit has a separate connection to a central VCC node can further minimize coupling between sections of the IC MAXIM MAX2651 MAX2652 MAX2653 Evaluation Kits SMA GSMOUT gt in AAA du tu MAXIM y p 100 MAX2651 82nH 8 Sp C8 T na 012 J OPEN 00 OPEN WE 0 01uF SMA SMA C13 DCSIN 4 pF Figure 1 MAX2651 EV Kit Schematic Figure 2 MAX2651 EV Kit Component Placement Guide Figure 3 MAX2651 EV Kit PC Board Layout Component Side MAAILM 5 S9cXVW ca9cXVW LS9cxviW Evaluate MAX2651 MAX2652 MAX2653 MAX2651 MAX2652 MAX2653 Evaluation Kits Figure 4 MAX2651 EV Kit PC Board Layout Ground Plan
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