Rainbow-electronics MAX19997A Manual de usuario

Busca en linea o descarga Manual de usuario para Accesorios De Computador Rainbow-electronics MAX19997A. Rainbow Electronics MAX19997A User Manual Manual de usuario

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General Description
The MAX19997A dual downconversion mixer is a versa-
tile, highly integrated diversity downconverter that pro-
vides high linearity and low noise figure for a multitude of
1800MHz to 2900MHz base-station applications. The
MAX19997A fully supports both low- and high-side LO
injection architectures for the 2300MHz to 2900MHz
WiMAX, LTE, WCS, and MMDS bands, providing
8.7dB gain, +24dBm input IP3, and 10.3dB NF in the
low-side configuration, and 8.7dB gain, +24dBm input
IP3, and 10.4dB NF in the high-side configuration. High-
side LO injection architectures can be further extended
down to 1800MHz with the addition of one tuning ele-
ment (a shunt inductor) on each RF port.
The device integrates baluns in the RF and LO ports,
an LO buffer, two double-balanced mixers, and a pair
of differential IF output amplifiers. The MAX19997A
requires a typical LO drive of 0dBm and a supply cur-
rent guaranteed below 420mA to achieve the targeted
linearity performance.
The MAX19997A is available in a compact 6mm x 6mm,
36-pin thin QFN lead-free package with an exposed
pad. Electrical performance is guaranteed over the
extended temperature range, from T
C
= -40°C to +85°C.
Applications
2.3GHz WCS Base Stations
2.5GHz WiMAX and LTE Base Stations
2.7GHz MMDS Base Stations
UMTS/WCDMA and cdma2000
®
3G Base
Stations
PCS1900 and EDGE Base Stations
PHS/PAS Base Stations
Fixed Broadband Wireless Access
Wireless Local Loop
Private Mobile Radios
Military Systems
Features
o 1800MHz to 2900MHz RF Frequency Range
o 1950MHz to 3400MHz LO Frequency Range
o 50MHz to 500MHz IF Frequency Range
o Supports Both Low-Side and High-Side LO
Injection
o 8.7dB Conversion Gain
o +24dBm Input IP3
o 10.3dB Noise Figure
o +11.3dBm Input 1dB Compression Point
o 70dBc Typical 2 x 2 Spurious Rejection at
P
RF
= -10dBm
o Dual Channels Ideal for Diversity Receiver
Applications
o Integrated LO Buffer
o Integrated LO and RF Baluns for Single-Ended
Inputs
o Low -3dBm to +3dBm LO Drive
o Pin Compatible with the MAX19999 3000MHz to
4000MHz Mixer
o Pin Similar to the MAX9995/MAX9995A and
MAX19995/MAX19995A 1700MHz to 2200MHz
Mixers and the MAX9985/MAX9985A and
MAX19985/MAX19985A 700MHz to 1000MHz
Mixers
o 42dB Channel-to-Channel Isolation
o Single +5.0V or +3.3V Supply
o External Current-Setting Resistors Provide Option
for Operating Device in Reduced-Power/Reduced-
Performance Mode
MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4288; Rev 0; 10/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PART TEMP RANGE PIN-PACKAGE
MAX19997AETX+ -40°C to +85°C
36 Thin QFN-EP*
MAX19997AETX+T
-40°C to +85°C
36 Thin QFN-EP*
+
Denotes a lead-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
Pin Configuration/Functional Block Diagram appears at
end of data sheet.
WiMAX is a trademark of WiMAX Forum.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
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Indice de contenidos

Pagina 1 - MAX19997A

General DescriptionThe MAX19997A dual downconversion mixer is a versa-tile, highly integrated diversity downconverter that pro-vides high linearity an

Pagina 2

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is high-side injected for a

Pagina 3

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is high-side injected for a

Pagina 4

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is high-side injected for a

Pagina 5

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is high-side injected for a

Pagina 6

Typical Operating Characteristics (continued)(Typical Application Circuit, extended RF band (see Table 2), VCC= +5.0V, LO is high-side injected for a

Pagina 7

2LO-2RF RESPONSE vs. RF FREQUENCY(LO > RF, EXTENDED RF BAND)MAX19997A toc49RF FREQUENCY (MHz)2LO-2RF RESPONSE (dBc)2200210020001900506070401800 230

Pagina 8

RF-TO-IF ISOLATION vs. RF FREQUENCY(LO > RF, EXTENDED RF BAND)MAX19997A toc65RF-TO-IF ISOLATION (dB)22002100200019002030101800 2300RF FREQUENCY (MH

Pagina 9

Typical Operating Characteristics (continued)(Typical Application Circuit, extended RF band (see Table 2), VCC= +5.0V, LO is high-side injected for a

Pagina 10

Typical Operating Characteristics (continued)(Typical Application Circuit, extended RF band (see Table 2), VCC= +5.0V, LO is high-side injected for a

Pagina 11

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 12

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer2 ___________________________________________________________

Pagina 13

INPUT P1dB vs. RF FREQUENCY(RF > LO, STANDARD RF BAND)MAX19997A toc94INPUT P1dB (dBm)2800260024001011121392200 3000RF FREQUENCY (MHz)VCC = 4.75VVCC

Pagina 14

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 15

LO LEAKAGE AT RF PORT vs. LO FREQUENCY(RF > LO, STANDARD RF BAND)MAX19997A toc106LO LEAKAGE AT RF PORT (dBm)2700250023002100-30-40-20-10-501900 290

Pagina 16

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 17

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 18

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 19

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 20

LO LEAKAGE AT RF PORT vs. LO FREQUENCY(RF > LO, STANDARD RF BAND)MAX19997A toc143LO FREQUENCY (MHz)LO LEAKAGE AT RF PORT (dBm)2500 270023002100-40-

Pagina 21

Typical Operating Characteristics (continued)(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is low-side injected for a 3

Pagina 22

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 23

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 24

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer30 __________________________________________________________

Pagina 25

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 26

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer32 __________________________________________________________

Pagina 27

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 28

PACKAGE TYPE PACKAGE CODE DOCUMENT NO.36 Thin QFN-EP T3666+221-01411+23456789101112131415161718282930313233343536192021222324252627GNDVCCGNDGNDGNDGNDG

Pagina 29

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer4 ___________________________________________________________

Pagina 30

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 31

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer6 ___________________________________________________________

Pagina 32

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer_____________________________________________________________

Pagina 33

MAX19997ADual, SiGe High-Linearity, 1800MHz to 2900MHzDownconversion Mixer with LO Buffer8 ___________________________________________________________

Pagina 34

Typical Operating Characteristics(Typical Application Circuit, standard RF band (see Table 1), VCC= +5.0V, LO is high-side injected for a 350MHz IF, P

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