HFA3783 Datasheet, PDF (8/34 Pages) Intersil Corporation – I/Q Modulator/Demodulator and Synthesizer

HFA3783
Receive Cascaded AC Electrical Specification IF = 375MHz, LO = 748MHz, V_CC = 2.7V, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP.
(^oC)
MIN
TYP
MAX
UNITS
AGC Gain Control Input
Impedance
Full
20
23
-
kΩ
Gain Switching Speed to ±1dB
Settling
Full AGC Scale
Full
-
0.4
1
µs
Insertion Phase vs AGC
Full AGC Range
25
-2
±0.3
+2
deg/dB
IF Detector Response Time
10pF, 2.9K External Load
Full
-
0.15
0.25
µs
IF Detector Input Voltage
LO Internal Input Resistance
0.5V, 175µA Into 2.87K Out
Single End. 748MHz
Full
100
150
200
mV_PP
25
950
-
1.1K
Ω
LO Internal Input Capacitance
25
-
0.96
-
pF
LO Drive Level
External 50Ω Match Network (single resistor)
Full
-15
-10
0
dBm
Upper Baseband 3dB Bandwidth
(2nd Order)
Full
6.7
7.4
8.5
MHz
Lower Baseband 3dB Bandwidth DC Coupled Load
Full
DC
-
-
-
I and Q 3dB BW Matching
Full
-2
-
+2
%
Cascaded Receive I or Q
1MHz, 1V_PP Diff. for First 50dB of Attenuation
25
-
-
1
%
Baseband THD
Range
Cascaded Receive I/Q Crosstalk
25
-
-
-40
dB
I/Q Amplitude Balance
100kHz CW
Full
-1
-
+1
dB
I/Q Phase Balance
100kHz CW
Full
-2
-
+2
deg
Cascaded I or Q Baseband
After Calibration Cycle. Measured with a setting of Full
-
Differential Offset Voltage
26dB of power gain
-
10
mV
Cascaded I or Q Common Mode
Voltage at Baseband
Full
1.08
1.17
1.32
V
Offset Calibration Time
Ref = 44MHz, Offset Counter C = 25
Full
-
25
-
µs
Offset Counter Divide Ratio
Input Ref Clock is Divided by C_* 2 for SAR Offset Full
1
(C Counter)
Correction
-
127
-
CAL_EN Minimum Pulse Width High to Low to High Transition Time
Full
0
-
-
nS
Baseband Output Resistance
Differential. 1/2 value for ground reference loads Full
-
5
-
kΩ
Loading
Baseband Output Capacitance
Loading
Single End, Each
Differential
Full
-
Full
-
-
10
pF
-
10
pF
NOTE:
4. A positive frequency offset from the carrier produces I leading Q by 90 degrees.
Transmit Cascaded AC Electrical Specifications LO = 748MHz, V_CC = 2.7V, VCM = 1.24V Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
TEMP.
(^oC)
MIN
TYP
MAX
IF Frequency Range
Test Diagram
Full
70
-
600
2 X LO Frequency Range
Test Diagram
Full
140
-
1200
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to -10dBm Full
-
-10
-
Output Power for 0.35V_PP
Full
Sine I and Q
-
-141
-
Inputs
Full
10
-
-
UNITS
MHz
MHz
dBm
dBm/Hz
dB
8