MAX2369 MAXIM [Maxim Integrated Products], MAX2369 Datasheet - Page 14

• Manufacturer Part Number: MAX2369
• Description: Complete Dual-Band Quadrature Transmitter
• Manufacturer: MAXIM [Maxim Integrated Products]

Complete Dual-Band
Quadrature Transmitter
14
Table 6. Register and Control Pin States for Key Operating Modes
X = Don’t care
Table 5. Power-Down Modes
PCS Digital
Cellular Digital
FM
FM_IQ
PCS TXGATE
Cellular TXGATE
Sleep
SHDN pin
TXGATE pin
IF PLL SHDN
TX STBY
REG STBY
REG SHDN
POWER-DOWN MODES
______________________________________________________________________________________
MODE
RFH selected
RFL selected
Direct VCO modulation, RFL selected
FM with IQ modulation, RFL selected
Gated transmission, PCS
Gated transmission, cellular digital
Everything off
Ultra-low shutdown current
For punctured TX mode
For external IF PLL use
TX is off, but IF LO stays locked
Shuts down, but preserves registers
Serial bus is still active
DESCRIPTION
COMMENTS
X
0
1
1
1
0
1
X
X
X
X
X
OPCTRL REGISTER
11
01
00
00
11
01
XX
X
X
X
X
X
X
1
0
1
1
1
1
X
X
1
1
1
1
1
1
X
X
OFF
X
X
X
1
1
1
1
X
X
X
1
1
1
1
1
1
X
X
X
X
1
1
1
1
1
1
X
X
X
X
X
C O N T R O L
H
H
H
H
L
L
X
X
X
X
PINS
H
H
H
H
H
H
L
X
X