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参数资料
| 型号： | MAX9993ETP+TD |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC MIXER DOWN CONV 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | MAX9993 |
| RF 型： | 手机，DCS，EDGE，PCS，UMTS，WLL |
| 频率： | 1.7GHz ~ 2.2GHz |
| 混频器数目： | 1 |
| 增益： | 8.5dB |
| 噪音数据： | 9.5dB |
| 次要属性： | 降频变频器 |
| 电流 - 电源： | 230mA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 包装： | 带卷 (TR) |
| 封装/外壳： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
High-Linearity 1700MHz to 2200MHz Down-
Conversion Mixer with LO Buffer/Switch
Table 1. Component List
COMPONENT
C1
C2, C6, C7, C9, C10
C3, C5, C8
C4
C11, C12, C13
L1, L2
L3
R1
R2
R3, R4
R5
T1
VALUE
4pF
22pF
0.01μF
10pF
150pF
470nH
10nH
523 ?
383 ?
7.2 ?
200 ?
4:1 (200:50)
SIZE
0603
0603
0603
0603
0603
1008
0805
0603
0603
1206
0603
—
DESCRIPTION
Microwave capacitor
Microwave capacitors
Capacitors
Microwave capacitor
Microwave capacitors
Wire-wound high-Q inductors
Wire-wound high-Q inductor
±1% resistor
±1% resistor
±1% resistors
±5% resistor
IF balun
High-Linearity Mixer
The core of the MAX9993 is a double-balanced, high-
performance passive mixer. Exceptional linearity is pro-
vided by the large LO swing from the on-chip LO
buffer; IIP3 is typically +23.5dBm, IIP2 is typically
+60dBm, and total cascaded NF is 9.5dB.
Differential IF Output Amplifier
The MAX9993 mixer has an IF frequency range of 40MHz
to 350MHz. The differential, open-collector IF output ports
require external pullup inductors to V CC . Single-ended IF
applications require a 4:1 balun to transform the 200 ?
differential output impedance to a 50 ? single-ended out-
put. After the balun, VSWR is typically 1.5:1.
Applications Information
Input and Output Matching
The RF and LO inputs are internally matched to 50 ? .
No matching components are required. Return loss at
the RF port is better than 15dB over the entire input
range, 1700MHz to 2200MHz, and return loss at LO1
and LO2 is better than 10dB from 1400MHz to
2000MHz. RF and LO inputs require only DC-blocking
capacitors for interfacing. These DC-blocking capaci-
tors can be part of the matching circuit.
The IF output impedance is 200 ? differential out of the
IC. An external low-loss 4:1 balun brings this imped-
ance down to a 50 ? single-ended output (see the
Typical Application Circuit ).
Bias Resistors
Bias currents for the LO buffer and the IF amplifier were
optimized by fine-tuning the resistors at LOBIAS and
IFBIAS during characterization at the factory. These cur-
rents should not be adjusted. If the 383 ? (±1%) and/or
523 ? (±1%) resistor values are not readily available,
substitute standard ±5% values: 390 ? and 520 ? ,
respectively.
Layout Considerations
A properly designed PC board is an essential part of
any RF/microwave circuit. Keep RF signal lines as short
as possible to reduce losses, radiation, and induc-
tance. For best performance, route the ground pin
traces directly to the exposed pad underneath the
package. This pad should be connected to the ground
plane of the board by using multiple vias under the
device to provide the best RF/thermal conduction path.
Solder the exposed pad on the bottom of the device
package to a PC board exposed pad.
Power Supply Bypassing
Proper voltage supply bypassing is essential for high-
frequency circuit stability. Bypass each V CC pin and
TAP with the capacitors shown in the typical application
circuit. Place the TAP bypass capacitor to ground with-
in 100 mils of the TAP pin.
Chip Information
TRANSISTOR COUNT: 989
PROCESS: SiGe BiCMOS
_______________________________________________________________________________________
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9993ETP-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9993EVKIT | 功能描述:射频开发工具 RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| MAX9994ETP | 功能描述:上下转换器 SiGe 1700-2200MHz Downconversion Mixer 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 |
| MAX9994ETP+ | 功能描述:上下转换器 SiGe 1700-2200MHz Downconversion Mixer 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 |
| MAX9994ETP+D | 制造商:Maxim Integrated Products 功能描述:UP/DOWN CONV MIXER 5V 2.2GHZ 20TQFN EP - Rail/Tube |
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