Datasheet
MAX2029
High-Linearity, 815MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
_______________________________________________________________________________________ 3
AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION)
(
Typical Application Circuit
, C5 = 3.3pF, L1 and C4 not used, V
CC
= +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources,
P
LO
= -3dBm to +3dBm, P
RF
= 0dBm, f
RF
= 815MHz to 1000MHz, f
LO
= 570MHz to 900MHz, f
IF
= 90MHz, f
LO
< f
RF
, T
C
= -40°C to
+85°C, unless otherwise noted. Typical values are at V
CC
= +5V, P
LO
= 0dBm, f
RF
= 920MHz, f
LO
= 830MHz, f
IF
= 90MHz,
T
C
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Loss G
C
6.5 dB
Flatness over any one of three frequency
bands (f
IF
= 90MHz):
f
RF
= 827MHz to 849MHz
f
RF
= 869MHz to 894MHz
f
RF
= 880MHz to 915MHz
±0.2
Conversion Loss Flatness (Note 3)
f
RF
= 920MHz to 960MHz ±0.4
dB
T
C
= +25°C to -40°C -0.28
Conversion Loss Variation Over
Temperature
T
C
= +25°C to +85°C 0.35
dB
Input Compression Point P
1dB
(Note 4) 27 dBm
Input Third-Order Intercept Point IIP3
f
RF1
= 920MHz, f
RF2
= 921MHz,
P
RF
= 0dBm/tone, P
LO
= 0dBm, T
C
= +25°C
(Note 3)
33 36.5 dBm
T
C
= +25°C to -40°C -0.6
Input IP3 Variation Over
Temperature
IIP3
T
C
= +25°C to +85°C 0.4
dB
Output Third-Order Intercept Point OIP3
f
RF1
= 920MHz, f
RF2
= 921MHz, P
RF
=
0dBm/tone, P
LO
= 0dBm, T
C
= +25°C
(Note 3)
26 30 dBm
2 x 2
2RF - 2LO, P
RF
= -10dBm, f
RF
= 920MHz to
960MHz (f
LO
= 830MHz to 870MHz),
T
C
= +25°C
62 72
Spurious Response at IF (Note 3)
3 x 3 3RF - 3LO, P
RF
= -10dBm 96
dBc
Noise Figure NF Single sideband 6.7 dB
P
BLOCKER
= +8dBm 15
Noise Figure Under Blocking
(Note 5)
P
BLOCKER
= +12dBm 19
dB
AC ELECTRICAL CHARACTERISTICS (continued)
(
Typical Application Circuit
, C5 = 3.3pF, L1 and C4 not used, V
CC
= +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources,
P
LO
= -3dBm to +3dBm, P
RF
= 0dBm, f
RF
= 815MHz to 1000MHz, f
LO
= 570MHz to 900MHz, f
IF
= 90MHz, f
LO
< f
RF
, T
C
= -40°C to
+85°C, unless otherwise noted. Typical values are at V
CC
= +5V, P
LO
= 0dBm, f
RF
= 920MHz, f
LO
= 830MHz, f
IF
= 90MHz,
T
C
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LO Switching Time 50% of LOSEL to IF, settled within 2 degrees 50 ns
Minimum RF-to-IF Isolation
f
RF
= 920MHz to 960MHz, f
LO
= 830MHz to
870MHz (Note 3)
38 47 dB
RF Port Return Loss 18 dB
LO1/LO2 port selected, LO2/LO1, RF, and IF
terminated into 50Ω
19
LO Port Return Loss
LO1/LO2 port unselected, LO2/LO1, RF, and
IF terminated into 50Ω
31
dB
IF Port Return Loss LO driven at 0dBm, RF terminated into 50Ω 23 dB