Rainbow Electronics MAX2114 - Manual (Page 4)

MAX2114
DBS Direct Downconverter
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AC ELECTRICAL CHARACTERISTICS (continued)
(R FIN + IC driven single-ended with RFIN- AC-terminated in 75 Ω to GND, V
CC = +4.75V to +5.25V, V IOUT_ = V QOUT_ = 0.59Vp-p,
C IOUT_ = C QOUT_ = 10pF, f FCLK = 500kHz, R IOUT_ = R QOUT_ = 10k Ω, V
LOBUFSEL = 0.5V, V RFBAND = V INSEL = V CPG1 = V CPG2 = +2.4V,
V PLLIN+ = V MOD+ = +1.3V, V PLLIN- = V MOD- = +1.1V, T A = +25°C, unless otherwise noted. Typical values are at V CC = +5V.)
RFOUT PORT (LOOPTHROUGH)
dBm LO Leakage Power (Notes 6, 9) Measured at R FIN + -66
dB LO Half Harmonic Rejection (Note 8) Average level of V IOUT_ , V QOUT_
Average level of V IOUT_ , V QOUT_ dB 45 LO 2nd Harmonic Rejection (Note 7)
43
f RFIN_ = 925MHz, Z SOURCE = 75 Ω +13
CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER
f = 1550MHz
f = 2175MHz
f = 1550MHz 10.6
f = 2175MHz 10.8
RFOUT Return Loss (Notes 6, 10) dB 925MHz < f < 2175MHz, Z LOAD = 75 Ω 12
LPF -3dB Cutoff-Frequency Range
(Note 1)
MHz Controlled by FLCLK signal 8 33
-5.5 5.5
-10 10
LPF -3dB Cutoff-Frequency
Accuracy (Note 1)
%
10 10
dB R FIN + Return Loss (Note 6)
Ratio of In-Filter-Band to Out-of-Filter-
Band Noise
dB
1.2
f IN_BAND = 100Hz to 22.5MHz,
f OUT_BAND = 67.5MHz to 112.5MHz
23
Baseband Highpass -3dB Frequency
(Note 1)
Hz C IDC_ = C QDC_ = 0.22µF 750
Baseband Frequency Response
(Note 1)
dB
Deviation from ideal 7th order,
Butterworth, up to 0.7
× f
C
-0.5 0.5
f FLCLK = 0.5MHz, f C = 8MHz
f FLCLK = 1.25MHz, f C = 19.3MHz
f FLCLK = 2.0625MHz, f C = 31.4MHz
Includes effects from baseband filters,
measured at 125kHz baseband
Quadrature Gain Error dB
4
Includes effects from baseband filters,
measured at 125kHz baseband
Quadrature Phase Error degrees
RFIN+ to RFOUT Gain (Note 10) dB
f = 925MHz 0.5
f = 2175MHz 2.0
f = 1550MHz 1.0
RFOUT Output Third-Order Intercept
Point (Note 10)
dBm
f = 925MHz 9.5
7.7
5.4
RFOUT Noise Figure (Note 10) dB
f = 925MHz 12
f RFIN_ = 2175MHz, Z
SOURCE
= 75 Ω +14
RFOUT PORT (LOOPTHROUGH)
Output Real Impedance (Notes 1) Ω IOUT_, QOUT_ 50