Rainbow Electronics MAX19997A - Manual (Page 6)

MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
6 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Single sideband, no blockers present
f
RF = 2400MHz to 2900MHz (Notes 6, 8)
10.3 13.0
Noise Figure NF SSB Single sideband, no blockers present,
f
RF = 2400MHz to 2900MHz, T C = +25°C
(Notes 6, 8)
10.3 11.3
dB
Noise Figure Temperature
Coefficient
TC NF
Single sideband, no blockers present,
T
C = -40°C to +85°C
0.018 dB/°C
Noise Figure Under Blocking
Conditions
NF B
f BLOCKER = 2793MHz, P BLOCKER = 8dBm,
f RF = 2600MHz, f LO = 2250MHz,
P LO = 0dBm, V cc = + 5.0V , T C = +25°C
(Notes 6, 8, 12)
22 25 dB
f RF = 2600MHz, f LO = 2250MHz,
P RF = -10dBm, f SPUR = f LO + 175MHz,
T C = +25°C (Note 8)
62 67
2RF-2LO Spur 2 x 2
f RF = 2600MHz, f LO = 2250MHz,
P
RF
= -5dBm, f
SPUR
= f
LO
+ 175MHz,
T C = +25°C (Notes 8, 9)
57 62
dBc
f RF = 2600MHz, f LO = 2250MHz,
P RF = -10dBm, f SPUR = f LO + 116.67MHz,
T C = +25°C (Note 8)
78 83
3RF-3LO Spur 3 x 3
f RF = 2600MHz, f LO = 2250MHz,
P RF = -5dBm, f SPUR = f LO + 116.67MHz,
T C = +25°C (Notes 8, 9)
68 73
dBc
RF Input Return Loss
LO on and IF terminated into a matched
impedance
16 dB
LO Input Return Loss
RF and IF terminated into a matched
impedance
11.5 dB
IF Output Impedance Z IF
Nominal differential impedance at the IC’s
IF outputs
200 Ω
IF Output Return Loss
RF terminated into 50 Ω, LO driven by 50Ω
source, IF transformed to 50 Ω using
external components shown in the Typical
Application Circuit
20 dB
+5.0V SUPPLY, LOW-SIDE LO INJECTION AC ELECTRICAL CHARACTERISTICS
(continued)
( Typical Application Circuit optimized for the standard RF band (see Table 1), V CC = +4.75V to +5.25V, RF and LO ports are driven
from 50
Ω sources, P
LO = -3dBm to +3dBm, P RF = -5dBm, f RF = 2300MHz to 2900MHz, f LO = 1950MHz to 2550MHz, f IF = 350MHz,
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, f RF = 2600MHz, f LO = 2250MHz,
f IF = 350MHz, T C = +25°C, unless otherwise noted.) (Note 7)