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HFA3783 Datasheet, PDF (9/34 Pages) Intersil Corporation – I/Q Modulator/Demodulator and Synthesizer
HFA3783
Transmit Cascaded AC Electrical Specifications LO = 748MHz, VCC = 2.7V, VCM = 1.24V Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP.
(oC)
MIN
TYP
MAX
UNITS
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 10dB
Full
Attenuation.
Full
0.35VPP Sine I and Q
Inputs
Full
-
-20
-
-149
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 20dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-30
-
-157
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 30dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-40
-
-161
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 40dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-50
-
-162
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 50dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-60
-
-163
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 60dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-70
-
-164
10
-
-
dBm
-
dBm/Hz
-
dB
Output Power at 250Ω Differential Load
Output Noise Floor
P1dB/Output Power Ratio
AGC Voltage Set to 70dB
Full
Attenuation.
0.35VPP Sine I and Q
Full
Inputs
Full
-
-80
-
-164
10
-
-
dBm
-
dBm/Hz
-
dB
AGC Gain Control Voltage
Full
0.1
-
2.25
V
AGC Gain Control Sensitivity
Supply Range
25
-
35.4
-
dB/V
AGC Control Input Impedance
Full
20
21
-
kΩ
Gain Switching Speed to ±1% Settling
Full Scale
25
-
0.8
4
µs
Insertion Phase vs AGC
50dB Range from Max
Full
-
-
4.0
deg
I/Q Baseband Bandwidth
Application Circuit
Full
0
13
-
MHz
Cascaded Baseband to IF TX THD
Amplitude Balance
1MHz, 0.5VPP
DC Inputs
25
-
-
0.5
%
25
-0.5
-
+0.5
dB
Phase Balance
DC Inputs
25
-2
-
+2
deg
Carrier Suppression
Full AGC Range
25
-
-43
-30
dBc
SSB Sideband Suppression (Note 5)
100kHz Inputs, Full AGC
25
-
-43
-32
dBc
Range
Optimum IF Output Differential Impedance
Shared with RX
25
-
250
-
Ω
LO Internal Input Resistance
LO Internal Input Capacitance
Single End
Across F. Range
Same as RX Section
25
950
-
1.1K
Ω
25
-
0.96
-
pF
LO Drive Level
External 50Ω Match
Network (single resistor)
Full
-15
-10
0
dBm
Baseband Differential Input Impedance
Full
100
150
-
kΩ
Optimum Baseband Differential Input Voltage
Common Mode Baseband Input Voltage Range
Shaped Pulses
All TX Inputs
Full
-
0.5
-
VPP
Full
1.2
1.30
1.40
V
NOTE:
5. I leading Q produces a+jw CCW rotation and a positive frequency offset from the carrier.
9