Rainbow Electronics MAX2701 - Manual (Page 4)

MAX2700/MAX2701
1.8GHz to 2.5GHz Direct Downconversion
Receivers
4 _______________________________________________________________________________________
PARAMETERS CONDITIONS MIN TYP MAX UNITS
MAX2700, f LO = 980MHz +6.3 Input Third-Order Intercept
(Note 4)
MAX2701, f LO = 1200MHz +6.5
dBm
MAX2700 +28.3 Input Second-Order Intercept
(Note 5)
MAX2701 +38
dBm
MAX2700 1.5
VSWR
W i th 50 Ω exter nal
m atchi ng at RFIN + / RFIN - MAX2701 1.2
–
f RFIN = 1800MHz to
2100MHz
35
MAX2700
f RFIN
≤
20MHz 28
f RFIN = 2100MHz to
2500MHz
22
Isolation (RFIN to MIX_I/Q)
MAX2701
f RFIN
≤
20MHz 12
dB
MAX2700, f RFIN = 1800MHz to 2100MHz 38
Isolation (RFIN to LO)
MAX2701, f RFIN = 2100MHz to 2500MHz 45
dB
f LO = 900MHz to
1050MHz, X2_EN = GND
49
f LO = 900MHz to
1050MHz, X2_EN = GND,
isolation at 2 x F LO
43 MAX2700
f LO = 1800MHz to
2100MHz, X2_EN = V
CC
33
dB
f LO = 1050MHz to 1250MHz,
X2_EN = GND
60
f LO = 1050MHz to 1250MHz,
X2_EN = GND, isolation at
2 x F
LO
44
Isolation (LO to RFIN)
MAX2701
f LO = 2100MHz to
2500MHz, X2_EN = V
CC
70
Mixer Spurious Suppression 2 x LO - RF (Note 6) 60 dBc
-1dB bandwidth (Note 2) 37 69
Baseband Bandwidth MIX_I/Q
-3dB bandwidth 170
MHz
Baseband frequency =
125kHz
0.1 0.7
Gain Mismatch
∆
G V (I-Q) (between mixer
I and Q channels)
Up to -1dB baseband
width (Note 2)
0 0.7
dB
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2700/MAX2701 EV kit (Figure 3), V CC = +3.0V, T A = +25°C, SHDN = GAIN_SET = V CC , X2_EN = GND, CEXT+ connected to
CEXT-, P LO = -13dBm, F LO = 980MHz (MAX2700) and 1200MHz (MAX2701), P LNAIN = -30dBm, P RFIN = -25dBm, LNAIN and RFIN
(single-ended input to balun) driven from 50
Ω
source, LNAOUT terminated into load; MIX_I, MIX_Q AC-coupled to 2k
Ω
load; IIN1+,
QIN1+, IIN2+, QIN2+ driven from 1.1k
Ω
AC-coupled source; IOUT1, QOUT1 AC-coupled to 2k
Ω
; IOUT2, QOUT2 AC-coupled to
100
Ω
; input to VGAs, 20mVp-p at 1MHz tone, set V AGC = 1.25V, unless otherwise noted.)