Rainbow Electronics MAX19997A - Manual (Page 4)

MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
4 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Single sideband, no blockers present
f
R F
= 2400M H z to 2900M H z ( N ote 6, 8, 10)
10.4 12.5
Noise Figure NF SSB Single sideband, no blockers present,
f
R F = 2400M H z to 2900M H z , T C = +25°C
(Note 6, 8, 10)
10.4 11.4
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 = 2412MHz, P BLOCKER = 8dBm,
f RF = 2600MHz, f LO = 2950MHz, P LO =
0dBm, V C C = + 5.0V , T C = + 25°C ( Notes 8, 12)
22.5 25 dB
f RF = 2600MHz, f LO = 2950MHz,
P RF = -10dBm, f SPUR = f LO - 175MHz
(Note 8)
62 69
2LO-2RF Spur 2 x 2
f RF = 2600MHz, f LO = 2950MHz,
P
RF
= -5dBm, f
SPUR
= f
LO
- 175MHz
(Notes 8, 9)
57 64
dBc
f RF = 2600MHz, f LO = 2950MHz,
P RF = -10dBm, f SPUR = f LO - 116.67MHz,
T C = +25°C (Note 8)
73 84
3LO-3RF Spur 3 x 3
f RF = 2600MHz, f LO = 2950MHz,
P RF = -5dBm, f SPUR = f LO - 116.67MHz,
T C = +25°C (Notes 8, 9)
63 74
dBc
RF Input Return Loss
LO on and IF terminated into a matched
impedance
14 dB
LO Input Return Loss
RF and IF terminated into a matched
impedance
13 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
21 dB
+5.0V SUPPLY, HIGH-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 = 2650MHz to 3250MHz, 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 = 2950MHz,
f IF = 350MHz, T C = +25°C, unless otherwise noted.) (Note 7)