參數(shù)資料
型號(hào)： HFA3783IN
廠商： INTERSIL CORP
元件分類： 衰減器
英文描述： I/Q Modulator/Demodulator and Synthesizer
中文描述： 70 MHz - 600 MHz RF/MICROWAVE I/Q MODEM
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 8/34頁(yè)
文件大小： 608K
代理商： HFA3783IN
8
AGC Gain Control Input
Impedance
Full
20
23
-
k
Gain Switching Speed to
±
1dB
Settling
Full AGC Scale
Full
-
0.4
1
μ
s
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
μ
s
IF Detector Input Voltage
0.5V, 175
μ
A Into 2.87K Out
Full
100
150
200
mV
PP
LO Internal Input Resistance
Single End. 748MHz
25
950
-
1.1K
LO Internal Input Capacitance
25
-
0.96
-
pF
LO Drive Level
External 50
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
Baseband THD
1MHz, 1V
PP
Diff. for First 50dB of Attenuation
Range
25
-
-
1
%
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
Differential Offset Voltage
AfterCalibrationCycle.Measuredwithasettingof
26dB of power gain
Full
-
-
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
-
μ
s
Offset Counter Divide Ratio
(C Counter)
Input Ref Clock is Divided by C
*
2 for SAR Offset
Correction
Full
1
-
127
-
CAL_EN Minimum Pulse Width
High to Low to High Transition Time
Full
0
-
-
nS
Baseband Output Resistance
Loading
Differential. 1/2 value for ground reference loads
Full
-
5
-
k
Baseband Output Capacitance
Loading
Single End, Each
Full
-
-
10
pF
Differential
Full
-
-
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.
(
o
C)
MIN
TYP
MAX
UNITS
IF Frequency Range
Test Diagram
Full
70
-
600
MHz
2 X LO Frequency Range
Test Diagram
Full
140
-
1200
MHz
Output Power at 250
Differential Load
AGC Voltage Set to -10dBm
Output Power for 0.35V
PP
Sine I and Q
Inputs
Full
-
-10
-
dBm
Output Noise Floor
Full
-
-141
-
dBm/Hz
P1dB/Output Power Ratio
Full
10
-
-
dB
Receive Cascaded AC Electrical Specification
IF = 375MHz, LO = 748MHz, V
CC
= 2.7V, Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
TEMP.
(
o
C)
MIN
TYP
MAX
UNITS
HFA3783
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