MAX2370ETM-T Maxim Integrated Products, MAX2370ETM-T Datasheet - Page 14

• Manufacturer Part Number: MAX2370ETM-T
• Description: RF Transmitter Complete 450MHz Quad rature Transmitter 4
• Manufacturer: Maxim Integrated Products

Complete 450MHz Quadrature Transmitter
Table 3. Configuration Register (CONFIG, Address: 0101
Table 4. Current-Control Register (I
14
IF_TURBO_CHARGE
THROTTLE_BACK
RF_PLL_SHDN
RCP_TURBO2
IF_PLL_SHDN
______________________________________________________________________________________
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
BIT NAME
LD_MODE
BIT NAME
IQ_LEVEL
I_MULT
RCP
MPL
ICP
15, 14, 13, 12
LOCATION
LOCATION
10, 9, 8, 7
(0 = LSB)
(0 = LSB)
3, 2, 1, 0
11, 10
6, 5, 4
9, 8
7, 6
5, 4
1, 0
BIT
BIT
15
14
13
12
11
3
2
SETTINGS
SETTINGS
TYPICAL
TYPICAL
0000
1000
1000
011
00
00
00
11
11
1
1
0
1
1
1
1
CC
CTRL, Address: 0110
IF PLL shutdown control.
0 = Shuts down IF PLL. This mode is used with an external IF PLL.
1 = Normal operation.
RF PLL shutdown control.
0 = Shuts down RF PLL. This mode is used with an external RF PLL.
1 = Normal operation.
Reserved. Set to 0 for normal operation.
Selects the nominal I/Q input levels.
0 = Selects 300mV
1 = Selects 600mV
Reserved. Set to 00 for normal operation.
Sets the IF charge-pump current.
00 = 139µA.
01 = 192µA.
10 = 278µA.
11 = 390µA.
Sets the RF charge-pump current.
00 = 325µA.
01 = 650µA.
10 = 738µA.
11 = 1063µA.
Reserved. Set to 11 for normal operation.
IF tur b o- char g e contr ol .
0 = D i sab l es extr a char g e- p um p cur r ent d ur i ng acq ui si ti on.
1 = Acti vates tur b o- char g e featur e p r ovi d i ng extr a cur r ent d ur i ng acq ui si ti on.
Works with RCP_TURBO1 (in the operation control register) to set the
turbo charge-pump mode (see Table 7).
Determines output mode for LOCK pin as defined below:
00 = Test mode.
01 = IF PLL lock detector.
10 = RF PLL lock detector.
11 = Logical AND of IF PLL and RF PLL lock detectors.
Reserved. Set to 0000 for normal operation.
Sets the maximum RF output power level.
0 = Sets to low-noise mode.
1 = Sets to normal power mode.
Reserved. Set to 1000 for normal operation.
Controls the throttleback rate (see Table 6).
Sets the current scale factor for the PA driver (see Table 5).
P-P
P-P
input mode.
input mode.
b
)
b
FUNCTION
FUNCTION
)