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SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION)
( 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
Small-Signal Conversion Loss
SYMBOL
L C
CONDITIONS
f RF = 2300MHz to 2900MHz, T C = +25 N C
(Note 8)
MIN
6.7
TYP
7.2
MAX
8.1
UNITS
dB
f RF = 2305MHz to 2360MHz
f RF = 2500MHz to 2570MHz
0.15
0.15
Loss Variation vs. Frequency
D L C
f RF = 2570MHz to 2620MHz
0.15
dB
f RF = 2500MHz to 2690MHz
f RF = 2700MHz to 2900MHz
0.15
0.20
Conversion Loss Temperature
Coefficient
Single Sideband Noise Figure
Noise Figure Temperature
Coefficient
TC CL
NF SSB
TC NF
T C = -40 N C to +85 N C
No blockers present
f RF = 2300MHz to 2900MHz, single
sideband, no blockers present,
T C = -40 N C to +85 N C
0.0071
7.3
0.019
dB/ N C
dB
dB/ N C
+8dBm blocker tone applied to RF port,
Noise Figure Under Blocking
NF B
f RF = 2600MHz, f LO = 2300MHz,
f BLOCKER = 2795MHz, P LO = 0dBm,
20.8
25
dB
V CC = 5.0V, T C = +25 N C (Notes 5, 9)
Input 1dB Compression Point
IP 1dB
T C = +25 N C
(Notes 5, 10)
f RF = 2300MHz
f RF = 2600MHz
f RF = 2900MHz
22.5
20.6
17.6
23.4
22.1
20.7
dBm
f RF1 = 2300MHz,
f RF2 = 2301MHz,
34
36
Third-Order Input Intercept Point
IIP3
P RF1 = P RF2 =
0dBm/tone,
P LO = 0dBm,
T C = +25 N C
f LO = 2000MHz (Note 5)
f RF1 = 2600MHz,
f RF2 = 2601MHz,
f LO = 2300MHz (Note 8)
f RF1 = 2900MHz,
31
34
dBm
f RF2 = 2901MHz,
f LO = 2600MHz (Note 5)
f RF = 2300MHz to 2900MHz,
28
30
IIP3 Variation with T C
f RF1 - f RF2 = 1MHz, P RF1 = P RF2 = 0dBm/
Q 0.5
dB
tone, T C = -40 N C to +85 N C
2RF - 2LO Spur Rejection
3RF - 3LO Spur Rejection
2x2
3x3
f SPUR = f LO +
150MHz (Note 5)
f SPUR = f LO +
100MHz (Note 5)
P RF = -10dBm
P RF = 0dBm
P RF = -10dBm
P RF = 0dBm
64
54
80
60
70
60
92
72
dBc
dBc
RF Input Return Loss
LO Input Return Loss
RL RF
RL LO
LO on and IF terminated into a matched
impedance
RF and IF terminated into a matched
impedance
17
15
dB
dB
_______________________________________________________________________________________
3
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