Rainbow Electronics MAX2701 - Manual (Page 6)

MAX2700/MAX2701
1.8GHz to 2.5GHz Direct Downconversion
Receivers
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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.)
PARAMETERS CONDITIONS MIN TYP MAX UNITS
IIN1+ to IOUT1, up to -1dB frequency 1.6
Group Delay
QIN1+ to QOUT1, up to -1dB frequency 1.6
ns
G r oup D el ay M i sm atch ( N ote 2) Between I and Q channel from 100kHz up to -1dB 0.3 1.3 ns
Output Impedance IOUT1, QOUT1, up to -1dB bandwidth 7
Ω
Output Impedance Mismatch Between IOUT1 and QOUT1, up to -1dB bandwidth 1
Ω
Output Voltage (Note 2) At -1dB compression point, IOUT1, QOUT1 0.7 1.1 Vp-p
BASEBAND STAGE 2 (IIN2+ TO IOUT2, QIN2+ TO QOUT2)
-1dB bandwidth (Note 2) 19 34
Channel Bandwidth
-3dB bandwidth 63
MHz
Input Impedance IIN2+, IIN2-, QIN2+, QIN2-, single-ended 2.1 K Ω
Input Impedance Mismatch Between IIN2+ and QIN2+ 1.5 Ω
V AGC = 0.5V -0.6 4.4 9.5
Voltage Gain (G
V
)
V AGC = 2.0V 37 39 42
dB
Gain Correction Disabled
0.9
Voltage Gain Mismatch
(Note 2)
M i sm atch b etw een IIN 2 to
IOU T2 and QIN 2 to
QOU T2, 0.5V < V
AGC < 2V
Gain Correction Enabled
(2dB initial mismatch)
0.3
dB
VGA2 Gain Slope
Guaranteed monotonic over 0.5V < V AGC <2V,
V AGC =1.25V
30 dB/V
V AGC = 2.0V 14
Noise Figure Z S = 1.1k
Ω
V AGC = 0.5V 47
dB
Phase shift (Note 2) For 10dB of gain 0.2 1.4 degrees
Group Delay IIN2+ to IOUT2, QIN 2+ to QOU T2, up to -1dB Frequency 1.7 ns
Group Delay Mismatch
(Note 2) Between I and Q channel from 100kHz up to -1dB
frequency
0.2 2.0 ns
Output Impedance IOUT2 , QOUT2, up to -1dB bandwidth 4.0
Ω
Output Impedance Mismatch Between IOUT2 and QOUT2, up to -1 dB bandwidth 4.0
Ω
Output Voltage (Note 2) At -1dB compression point, IOUT2 , QOUT2 1.2 1.9 Vp-p