MAX2683/MAX2684
3.5GHz Downconverter Mixers
with Selectable LO Doubler
_______________________________________________________________________________________ 3
AC ELECTRICAL CHARACTERISTICS—MAX2683 (continued)
(MAX2683/MAX2684 EV kit, V
CC
= +5V, R
BIAS
= 1.2kΩ, ENX2 = GND, f
RF
= 3.6GHz, P
RF
= -20dBm, f
LOX2
= 1650MHz, P
LO
= -5dBm,
all input/output ports terminated in 50Ω, IFOUT+ and IFOUT- matched to single-ended 50Ω load, T
A
= +25°C, unless otherwise noted.)
AC ELECTRICAL CHARACTERISTICS—MAX2684
(MAX2683/MAX2684 EV kit, V
CC
= +5V, R
BIAS
= 1.2kΩ, ENX2 = GND, f
RF
= 3.6GHz, P
RF
= -20dBm, f
LOX2
= 1350MHz, P
LO
= -5dBm,
all input/output ports terminated in 50Ω, IFOUT+ and IFOUT- matched to single-ended 50Ω load, T
A
= +25°C, unless otherwise noted.)
Note 1: Limits over temperature are guaranteed by production test at +25°C and via correlation to worst-case temperature testing.
Note 2: Minimum and maximum limits are guaranteed by design and characterization, but are not production tested.
Note 3: The device has been characterized over the specified frequency range. Operation outside of this range is possible but not
guaranteed.
PARAMETER
LOX2 Leakage at IFOUT+,
IFOUT-
-39
dBm-39
-64
LOX1 Leakage at IFOUT+,
IFOUT-
-39 dBm
LOX1, LOX2 Input Return Loss -20 dB
f
IFOUT
= 3 × f
LO
f
IFOUT
= 2 × f
LO
ENX2 = GND
(Note 9)
f
IFOUT
= 1 × f
LO
f
RFIN
= 3 × f
LOX2
f
RFIN
= 2 × f
LOX2
f
RFIN
= 1 × f
LOX2
f
RFIN
= 3 × f
LOX2
f
RFIN
= 2 × f
LOX2
f
RFIN
= 1 × f
LOX2
LOX1 Leakage at IFOUT+,
IFOUT-
-15 dBm
LOX1, LOX2 Input Return Loss -20 dB(Note 9)
LOX2 Leakage at IFOUT+,
IFOUT-
-37
dBm
ENX2 = GND
-20
-41
-49
LOX1 Leakage at RFIN -45 dBm
Noise Figure 13.6 dB
RFIN Input Return Loss -18 dB(Note 8)
(Note 7)
LOX2 Leakage at RFIN
-47
dBm-43
ENX2 = GND
Input Third-Order Intercept Point +9.5 dBm
Input Second-Order Intercept
Point
+37 dBm(Note 11)
(Note 10)
PARAMETER
MIN TYP MAX
UNITS
Conversion Gain -0.8 +1 +2.3 dB
LOX1 Frequency Range 2.4 2.9 GHz
Gain Variation Over
Temperature and Frequency
±0.5 ±1.2 dB
IF Frequency Range
RF Frequency Range 3.4 3.8 GHz
800 1000 MHz
LOX2 Frequency Range 1.2 1.45 GHz
Input 1dB Compression Point 0 dBm
CONDITIONS
(Notes 1, 4)
LOX2 = V
CC
(Notes 2, 3)
T
A
= -40°C to +85°C
(Notes 2, 3)
(Notes 2, 3)
LOX2 = GND (Notes 2, 3)
ENX2 = V
CC
, f
IFOUT
= 1 × f
LO,
f
LOX1
= 3.3GHz
ENX2 = V
CC
, f
RFIN
= 1 × f
LOX1,
f
LOX1
= 2.7GHz
ENX2 = V
CC
, f
IFOUT
= 1 × f
LOX1,
f
LOX1
= 2.7GHz
MIN TYP MAX
UNITS
CONDITIONS
(16 páginas)
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