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MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
+3.3V SUPPLY, LOW-SIDE LO INJECTION AC ELECTRICAL CHARACTERISTICS
(continued)
(Typical Application Circuit optimized for the standard RF band (see Table 1) . Typical values are at V CC = 3.3V, P RF = -5dBm,
P LO = 0dBm, f RF = 2600MHz, f LO = 2250MHz, f IF = 350MHz, T C = +25°C, unless otherwise noted.) (Note 7)
PARAMETER
2RF - 2LO Spur
3RF - 3LO Spur
SYMBOL
2x2
3x3
CONDITIONS
P RF = -10dBm, f SPUR = f LO + 175MHz
P RF = -5dBm, f SPUR = f LO + 175MHz
P RF = -10dBm, f SPUR = f LO + 116.67MHz
P RF = -5dBm, f SPUR = f LO + 116.67MHz
MIN
TYP
74
69
74
64
MAX
UNITS
dBc
dBc
RF Input Return Loss
LO Input Return Loss
LO on and IF terminated into a matched
impedance
RF and IF terminated into a matched
impedance
16
11
dB
dB
IF Output Impedance
IF Output Return Loss
Z IF
Nominal differential impedance at the IC’s
IF outputs
RF terminated into 50 ? , LO driven by 50 ?
source, IF transformed to 50 ? using
external components shown in the Typical
200
26
?
dB
Application Circuit
RF-to-IF Isolation
LO Leakage at RF Port
2LO Leakage at RF Port
LO Leakage at IF Port
RFMAIN (RFDIV) converted power
25
-36
-31
-13.5
dB
dBm
dBm
dBm
Channel Isolation
measured at IFDIV (IFMAIN) relative to
IFMAIN (IFDIV), all unused ports terminated
42
dB
to 50 ?
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating
Characteristics.
Not production tested.
All limits reflect losses of external components, including a 0.8dB loss at f IF = 350MHz due to the 4:1 impedance trans-
former. Output measurements taken at the IF outputs of Typical Application Circuit.
Guaranteed by design and characterization.
100% production tested for functional performance.
Note 10: RF frequencies below 2400MHz require external RF tuning similar to components listed in Table 2.
Note 11: Maximum reliable continuous input power applied to the RF or IF port of this device is +12dBm from a 50 ? source.
Note 12: Measured with external LO source noise filtered so the noise floor is -174dBm/Hz. This specification reflects the effects of
all SNR degradations in the mixer, including the LO noise as defined in Application Note 2021: Specifications and
Measurement of Local Oscillator Noise in Integrated Circuit Base Station Mixers.
8
Maxim Integrated
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MAX19998AETP+ 功能描述:上下转换器 High-Gain 2.3GHz to 4.5GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19998AETP+T 功能描述:上下转换器 High-Gain 2.3GHz to 4.5GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19998AEVKIT# 制造商:Maxim Integrated Products 功能描述:SIGE HIGH-LINEARITY 2300MHZ TO 4000MHZ DOWNCONVERSION MIXER - Boxed Product (Development Kits)
MAX19998ETP+ 功能描述:上下转换器 High-Gain 2.3GHz to 4.5GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19998ETP+T 功能描述:上下转换器 High-Gain 2.3GHz to 4.5GHz Downconv RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
MAX19998EVKIT# 制造商:Maxim Integrated Products 功能描述:SIGE HIGH-LINEARITY 2300MHZ TO 4000MHZ DOWNCONVERSION MIXER - Boxed Product (Development Kits)
MAX19999A 功能描述:上下转换器 RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
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