Rainbow Electronics MAX19996 - Manual (Page 4)

MAX19996
SiGe High-Linearity, 2000MHz to 3000MHz
Downconversion Mixer with LO Buffer
4 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
IF Output Impedance Z IF
Nominal differential impedance at the IC’s
IF outputs
200 Ω
f IF = 450MHz,
L1 = L2 = 120nH
25
f
IF
= 350MHz,
L1 = L2 = 270nH
25 IF Output Return Loss
RF terminated into 50 Ω,
LO driven by 50 Ω
source, IF transformed
to 50
Ω using external
components shown in
the Typical Application
Circuit. See the IF Port
Return Loss vs. IF
Frequency graph in the
Typical Operating
Characteristics for
performance vs.
inductor values
f IF = 300MHz,
L1 = L2 = 470nH
25
dB
Minimum RF-to-IF Isolation
f RF = 2300MHz to 2700MHz, P LO = +3dBm
(Note 5)
34 dB
Maximum LO Leakage at RF Port f LO = 1900MHz to 2500MHz, P LO = +3dBm -22.7 dBm
M axi m um 2LO Leakag e at RF P or t f LO = 1900MHz to 2500MHz, P LO = +3dBm -21 dBm
Maximum LO Leakage at IF Port
f LO = 1900MHz to 2500MHz, P LO = +3dBm
(Note 5)
-27.5 dBm
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)
( Typical Application Circuit, V CC = +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources, P LO = -3dBm to +3dBm,
P RF = -5dBm, f RF = 2300MHz to 2800MHz, f LO = 2000MHz to 2500MHz, f IF = 300MHz, f RF > f LO , T C = -40°C to +85°C. Typical val-
ues are at V CC = +5.0V, P RF = -5dBm, P LO = 0dBm, f RF = 2500MHz, f LO = 2200MHz, f IF = 300MHz, T C = +25°C, all parameters are
guaranteed by design and characterization, unless otherwise noted.) (Note 6)
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
( Typical Application Circuit, RF and LO ports are driven from 50Ω sources, Typical values are at V
CC = +3.3V, P RF = -5dBm,
P LO = 0dBm, f RF = 2500MHz, f LO = 2200MHz, f IF = 300MHz, T C = +25°C, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Power Gain G C 8.6 dB
Conversion Power Gain Variation
vs. Frequency
∆G
C
f RF = 2300MHz to 2800MHz for any
100MHz band
0.1 dB
Gain Variation Over Temperature TC G T C = -40°C to +85°C -0.012 dB/°C
Input 1dB Compression Point IP
1dB
(Note 8) 7.5 dBm
Third-Order Input Intercept Point IIP3
f
RF1
= 2500MHz, f
RF2
= 2501MHz, f
LO
=
2200MHz, P RF1 = P RF2 = -5dBm
19.8 dBm
Third-Order Input Intercept
Variation Over Temperature f RF1 = 2500M H z, f RF2 = 2501M H z, f LO =
2200M H z, P RF1 = P RF2 = - 5d Bm , T C = + 25°C
±0.5 dB
Noise Figure NF SSB S i ng l e si d eb and , no b l ocker s p r esent ( N ote 9) 9.6 dB
Noise Figure Temperature
Coefficient
TC
NF
Single sideband, no blockers present,
T
C = -40°C to +85°C (Note 9)
0.017 dB/°C
P RF = -10dBm 65.9
2RF-2LO Spur Rejection 2 x 2
P RF = -5dBm 60.9
dBc