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SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION) (continued)
( 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
RF Input Return Loss
LO Input Return Loss
IF Output Impedance
SYMBOL
RL RF
RL LO
Z IF
CONDITIONS
LO on and IF terminated into a matched
impedance
RF and IF terminated into a matched
impedance
Nominal differential impedance at the IC’s
IF outputs
MIN
TYP
15
12
50
MAX
UNITS
dB
dB
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
Minimum RF-to-IF Isolation
Maximum LO Leakage at RF Port
Maximum 2LO Leakage at RF Port
Maximum LO Leakage at IF Port
f RF = 2300MHz to 2900MHz, P LO = +3dBm
f LO = 1800MHz to 2800MHz, P LO = +3dBm
f LO = 1800MHz to 2800MHz, P LO = +3dBm
f LO = 1800MHz to 2800MHz, P LO = +3dBm
36
-24.5
-24
-20
dB
dBm
dBm
dBm
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(UPCONVERTER OPERATION)
( Typical Application Circuit with tuning elements outlined in Table 2 , V CC = +4.75V to +5.25V, RF and LO ports are driven from 50 I
sources, P LO = -3dBm to +3dBm, P IF = 0dBm, f RF = 2300MHz to 2900MHz, f IF =200MHz, f LO = 2100MHz to 2700MHz, 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 IF = 0dBm, P LO = 0dBm, f RF = 2600MHz, f LO = 2400MHz,
f IF = 200MHz. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER
Small-Signal Conversion Loss
Loss Variation vs. Frequency
Conversion Loss Temperature
Coefficient
Input 1dB Compression Point
SYMBOL
L C
D L C
TC CL
IP 1dB
CONDITIONS
(Note 8)
f RF = 2300MHz to 2960MHz, any 100MHz
band
T C = -40 N C to +85 N C
(Note 10)
MIN
TYP
6.8
0.2
0.007
22.7
MAX
UNITS
dB
dB
dB/ N C
dBm
f IF1 = 200MHz, f IF2 = 201MHz,
Third-Order Input Intercept Point
IIP3
P IF1 = P IF2 = 0dBm/tone, f LO = 2400MHz,
30
32.4
dBm
P LO = 0dBm, T C = +25 N C (Note 8)
f IF1 = 200MHz, f IF2 = 201MHz,
IIP3 Variation with T C
P IF1 = P IF2 = 0dBm/tone, f LO = 2400MHz,
Q 0.5
dB
P LO = 0dBm, T C = -40 N C to +85 N C
LO Q 2IF Spur Rejection
LO Q 3IF Spur Rejection
Output Noise Floor
1x2
1x3
LO - 2IF
LO + 2IF
LO - 3IF
LO + 3IF
P OUT = 0dBm (Note 9)
70
67
82
77
-163
dBc
dBc
dBm/Hz
_______________________________________________________________________________________
5
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