MAX2102 데이터 시트보기 (PDF) - Maxim Integrated
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MAX2102 Datasheet PDF : 16 Pages
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Direct-Conversion Tuner ICs for
Digital DBS Applications
AC ELECTRICAL CHARACTERISTICS
(MAX2102 EV kit circuit (Figure 1); VCC = +5V; PSGND = open; MOD = GND; fRFIN = 2150MHz; PRFIN = -19dBm; fLO =
2150.125MHz; PLO = -15dBm driven single-ended into LO; AGC set via servo loop for VIOUT = VQOUT = 0.5Vp-p; IOUT, QOUT drive
AC-coupled 100Ω loads; 2kΩ from PSOUT to GND; TA = +25°C; unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
PRFIN = -19dBm per tone, AGC set via servo loop for
RFIN Input Third-Order Intercept
VIOUT = VQOUT = 0.5Vp-p per tone,
f1RFIN = 1448.1MHz, f2RFIN = 1449MHz,
6.5
dBm
fLO = 1451MHz
RFIN Input Second-Order Intercept
PRFIN = -19dBm per tone, AGC set via servo loop for
VIOUT = VQOUT = 0.5Vp-p per tone,
f1RFIN = 1200MHz, f2RFIN = 2150MHz,
fLO = 951MHz
fRFIN = 1441MHz,
fLO = 1451MHz
PRFIN = -69dBm
PRFIN = -60dBm
PRFIN = -69dBm
MAX2102
MAX2105
MAX2102
Noise Figure
fRFIN = 2141MHz,
fLO = 2151MHz
PRFIN = -60dBm MAX2105
AGC = 4V,
PRFIN set via servo
loop for VIOUT =
VQOUT = 0.5Vp-p
MAX2102
MAX2105
Maximum Noise-Figure Variation with
AGC Gain Setting
Defined as ∆NF/∆Gain; for AGC range,
defined as single-carrier power range
of -69dBm to -59dBm (MAX2102) or
-60dBm to -50dBm (MAX2105)
MAX2102
MAX2105
15.1
dBm
13.2
15.7
12.9
15.5
dB
11.2
11.5
-0.5
dB/dB
-0.7
RFIN Worst-Case VSWR across
Band
fRFIN = 950MHz to 2150MHz, 50Ω source
2.3:1
950MHz < fRFIN < 2150MHz, 950MHz < fLO <
Maximum Power of Spurious
Downconversion Products
2150MHz. Dominated by LO second-harmonic power
causing downconversion of unwanted channel. Test
conditions: fLO = 1075.5MHz, fRFIN = 2150MHz,
-32.3
dBc
PRFIN = -69dBm (MAX2102) or -60dBm (MAX2105)
LO Leakage at RFIN
PLO = -15dBm, 950MHz < fLO < 2150MHz (Note 3)
PLO = -15dBm, PLO = -15dBm (differentially driven),
950MHz < fLO < 2150MHz (Note 3)
-49
dBm
-54
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