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SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION) (continued)
( Typical Application Circuit with tuning elements outlined in Table 1 , V CC = +4.75V to +5.25V, RF and LO ports are driven from 50 I
sources, P LO = -3dBm to +3dBm, P RF = 0dBm, f RF = 2300MHz to 2900MHz, f IF = 300MHz, f LO = 2000MHz to 2600MHz, f RF > f LO ,
T C = -40 N C to +85 N C. Typical values are for T C = +25 N C, V CC = +5.0V, P RF = 0dBm, P LO = 0dBm, f RF = 2300MHz, f LO = 2300MHz,
f IF = 300MHz. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER
IF Output Impedance
SYMBOL
Z IF
CONDITIONS
Nominal differential impedance at the IC’s
IF outputs
MIN
TYP
50
MAX
UNITS
I
RF terminated into 50 I , LO driven by
IF Output Return Loss
RL IF
50 I source, IF transformed to 50 I using
external components shown in the Typical
18
dB
Application Circuit
RF-to-IF Isolation
P LO = +3dBm (Note 8)
30
37
dB
LO Leakage at RF Port
2LO Leakage at RF Port
LO Leakage at IF Port
f LO = 2000MHz to 2800MHz,
P LO = +3dBm (Note 8)
P LO = +3dBm
f LO = 2000MHz to 2800MHz,
P LO = +3dBm (Note 8)
-28
-36
-24.2
-22
-16
dBm
dBm
dBm
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION)
( Typical Application Circuit with tuning elements outlined in Table 1 , RF and LO ports are driven from 50 I sources. Typical values
are for T C = +25 N C, V CC = +3.3V, P RF = 0dBm, P LO = 0dBm, f RF = 2600MHz, f LO = 2300MHz, f IF = 300MHz, unless otherwise
noted.) (Note 7)
PARAMETER
Small-Signal Conversion Loss
Loss Variation vs. Frequency
Conversion Loss Temperature
Coefficient
Single Sideband Noise Figure
Noise Figure Temperature
Coefficient
Input 1dB Compression Point
Third-Order Input Intercept Point
SYMBOL
L C
D L C
TC CL
NF SSB
TC NF
IP 1dB
IIP3
CONDITIONS
(Note 8)
f RF = 2300MHz to 2900MHz, any 100MHz
band
T C = -40 N C to +85 N C
No blockers present
Single sideband, no blockers present,
T C = -40 N C to +85 N C
(Note 10)
f RF1 = 2600MHz, f RF2 = 2601MHz,
P RF1 = P RF2 = 0dBm/tone
MIN
TYP
7.2
0.2
0.008
7.5
0.019
20
31
MAX
UNITS
dB
dB
dB/ N C
dB
dB/ N C
dBm
dBm
f RF1 = 2600MHz, f RF2 = 2601MHz,
IIP3 Variation with T C
P RF1 = P RF2 = 0dBm/tone,
Q 0.25
dB
T C = -40 N C to +85 N C
2RF - 2LO Spur Rejection
3RF - 3LO Spur Rejection
2x2
3x3
P RF = -10dBm, f SPUR = f LO + 150MHz
P RF = 0dBm, f SPUR = f LO + 150MHz
P RF = -10dBm, f SPUR = f LO + 100MHz
P RF = 0dBm, f SPUR = f LO + 100MHz
72
62
87
67
dBc
dBc
4
______________________________________________________________________________________
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