HFA3783IN96 INTERSIL [Intersil Corporation], HFA3783IN96 Datasheet - Page 16

• Manufacturer Part Number: HFA3783IN96
• Description: I/Q Modulator/Demodulator and Synthesizer
• Manufacturer: INTERSIL [Intersil Corporation]

AGC AMP ON-BASEBAND NATURAL
(CAL CLK)
OFFSET IF CAL_EN IS LOW
CAL_EN
REF/2C
REF/C
CALIBRATION STARTS AT NEXT RISE TIME OF (REF/COUNTER) SETTING FROM THE SERIAL INTERFACE
ALLOCATED SETTLING TIME
16
LPF
LPF
FIGURE 2. DC OFFSET CALIBRATION BLOCK DIAGRAM
FIGURE 3. DC OFFSET CALIBRATION TIMING DIAGRAM
IDAC
IDAC
CALIBRATE COMPARATORS
BUFFER
BUFFER
8
8
AGC AMP TURNED OFF IN RX MODE
CAL_EN
PIN 42
HFA3783
CONTROL
VOLTAGE
SAR
CM
VOLTAGE
COUNTER
BITS C<0:6>
CAL CLK
CAL
1
COMP
COMP
CM
Bit C<11>
2
BIT C<11>
3
4
REF_IN
PIN 14
5
AUTO BAL.
6
7
CALIBRATED OFFSET AT BASEBAND
8
RXI+
PIN 38
RXI-
PIN 37
RXQ+
PIN 36
RXQ-
PIN 35
AGC AMP ON