MAX2369EGM Maxim Integrated Products, MAX2369EGM Datasheet
MAX2369EGM
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MAX2369EGM Summary of contents
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... Supply Current Drops as Output Power Is Reduced o On-Chip IF VCO and IF PLL o QSPI/SPI/MICROWIRE-Compatible 3-Wire Bus o Digitally Controlled Operational Modes o +2.7V to +5.5V Operation o Single Sideband Upconverter Eliminates SAW Filters o Power Control Distributed at IF and RF for Optimum Dynamic Range PART MAX2369EGM Applications *Exposed paddle RFL RFH LOCK ...
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Complete Dual-Band Quadrature Transmitter ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +3.6V CC RFL, RFH.............................................................................+5.5V DI, CLK, CS, VGC, SHDN, TXGATE, LOCK.....................................................-0. Input Pins (IFIN TANK, REF, LOL, LOH) ...............................................................1.0V peak Digital Input Current ...
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AC ELECTRICAL CHARACTERISTICS (MAX2369 Evaluation Kit: 50Ω system, operating modes as defined in Table 6, input voltage at I and Q = 200mV common mode = V /2, 300kHz quadrature CW tones, IF synthesizer locked with passive lead-lag second-order loop ...
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Complete Dual-Band Quadrature Transmitter AC ELECTRICAL CHARACTERISTICS (continued) (MAX2369 Evaluation Kit: 50Ω system, operating modes as defined in Table 6, input voltage at I and Q = 200mV common mode = V /2, 300kHz quadrature CW tones, IF synthesizer locked ...
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V = +2.8V BAT IF P SETTLING TIME 181.26MHz -10 0 100 200 300 400 500 600 700 800 900 1000 TIME (µs) ...
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Complete Dual-Band Quadrature Transmitter (MAX2369EVKIT +2.8V 3.0V BAT I/Q BASEBAND FREQUENCY RESPONSE 0 -0.5 -1.0 -1.5 -2.0 -2.5 -3 FREQUENCY (MHz) RFH OUTPUT ...
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PIN NAME Transmitter RF Output for Cellular Band (800MHz to 1000MHz)—for both FM and digital modes. 1 RFL This open-collector output requires a pullup inductor to the supply voltage, which is part of the output matching network and may be ...
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Complete Dual-Band Quadrature Transmitter PIN NAME Supply for the I/Q Modulator. Bypass with capacitor as close to the pin as possible. The bypass capacitor must not share its ground vias with any other branches. Differential Q-Channel Baseband ...
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Detailed Description The MAX2369 complete quadrature transmitter accepts differential I/Q baseband inputs with external common- mode bias. A modulator upconverts this to IF frequency in the 120MHz to 235MHz range. A gain control voltage pin (VGC) controls the gain of ...
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Complete Dual-Band Quadrature Transmitter The IFM register sets the main frequency divide ratio for the IF PLL. The IFR register sets the reference fre- quency divide ratio. The IF VCO frequency can be determined by the following: IF VCO frequency ...
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SHDN pin is low it shuts down everything. In either case, PLL programming and register information is lost. To retain the register information, use standby mode (STBY = 0). Table 6 shows an example of key registers for ...
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Complete Dual-Band Quadrature Transmitter Table 3. Operation Control Register (OPCTRL) BIT POWER-UP BIT NAME LOCATION STATE (0 = LSB) LO_SEL 1 15 UNUSED 0 14 ICP_MAX 0 13 MODE 01 12, 11 UNUSED 0 10 UNUSED 0 IFG 100 8, ...
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Table 4. Configuration Register (CONFIG) POWER-UP BIT NAME LOCATION STATE (0 = LSB) IF_PLL_SHDN 1 UNUSED 1 UNUSED 0 IQ_LEVEL 1 BUF_DIV 0 VCO_BYPASS 0 ICP 00 UNUSED 00 IF_PD_POL 1 UNUSED 111 UNUSED 1 LD_MODE 1 ...
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Complete Dual-Band Quadrature Transmitter Table 5. Power-Down Modes POWER-DOWN MODES SHDN pin Ultra-low shutdown current TXGATE pin For punctured TX mode IF PLL SHDN For external IF PLL use TX STBY TX is off, but IF LO stays locked REG ...
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B19 (MSB) DI CLK t CS NOTE: THE 3-WIRE BUS IS SPI/QSPI/MICROWIRE-COMPATIBLE. Figure 3. 3-Wire Interface Diagram CENT PAR Figure 4. Tank Port Oscillator The IF VCO tank (TANK+, ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products ...