Rainbow Electronics MAX19995 User Manual
Page 4

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
4
_______________________________________________________________________________________
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)
(
Typical Application Circuit optimized for the DCS/PCS band, R1 = R4 = 806
Ω, R2 = R5 = 2.32kΩ, V
CC
= +4.75V to +5.25V, RF and
LO ports are driven from 50
Ω sources, P
LO
= -3dBm to +3dBm, PRF = -5dBm, f
RF
= 1700MHz to 2000MHz, f
LO
= 1510MHz to
1810MHz, f
IF
= 190MHz, f
RF
> f
LO
, T
C
= -40°C to +85°C. Typical values are at V
CC
= +5.0V, P
RF
= -5dBm, P
LO
= 0dBm,
fRF = 1800MHz, f
LO
= 1610MHz, f
IF
= 190MHz, T
C
= +25°C, unless otherwise noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone,
f
RF
= 2000MHz for min value
20.5
23.7
f
IF
= 190MHz, f
LO
= 1810MHz, f
RF
=
2000MHz for min value, f
RF1
- f
RF2
= 1MHz,
P
RF
= -5dBm per tone, T
C
= +25°C to
+85°C
21.5
23.7
Input Intercept Point
IIP3
Typical Application Circuit optimized for
UMTS band (R1 = R4 = 681
Ω, R2 = R5 =
1.5k
Ω), f
LO
= 1760MHz, f
IF
= 190MHz,
f
RF
= 1950MHz, f
RF1
- f
RF2
= 1MHz,
P
RF
= -5dBm per tone
24.8
dBm
Input Intercept Variation Over
Temperature
TC
IIP3
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone,
T
C
= -40°C to +85°C
0.0035
dBm/°C
Single sideband, no blockers present
(Note 8)
9
11
f
LO
= 1610MHz, f
IF
= 190MHz,
f
RF
= 1800MHz, T
C
= +25°C, P
LO
= 0dBm,
single sideband, no blockers present
(Note 8)
9
9.6
Noise Figure
NF
SSB
Typical Application Circuit optimized for
UMTS band (R1 = R4 = 681
Ω , R2 = R5 =
1.5k
Ω), f
IF
= 190MHz, f
LO
= 1760MHz,
f
RF
= 1950MHz, single sideband, no
blockers present
9.3
dB
Noise Figure Temperature
Coefficient
TC
NF
Single sideband, no blockers present,
T
C
= -40°C to +85°C
0.016
dB/°C
Noise Figure with Blocker
NF
B
f
BLOCKER
= 1900MHz, P
BLOCKER
=
+8dBm, f
RF
= 1800MHz, f
LO
= 1610MHz,
P
LO
= 0dBm, V
CC
= +5.0V, T
C
= +25°C
(Notes 8, 9)
19
20.5
dB