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參數資料
型號: MAX19790ETX+T
廠商: Maxim Integrated
文件頁數: 10/11頁
文件大小: 1625K
描述: IC 250MHZ - 4GHZ VAR ATTEN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
衰減值: -4dB ~ -48dB
頻率范圍: 250MHz ~ 4GHz
功率(瓦特): 2.1W
阻抗: 50 歐姆
封裝/外殼: 36-WQFN 裸露焊盤,36-HWQFN
250MHz to 4000MHz Dual,
Analog Voltage Variable Attenuator
10
  Typical Application Circuit
Exposed Pad RF and Thermal
Considerations
The exposed pad (EP) of the devices 36-pin thin QFN
package provides a low thermal-resistance path to
the die. It is important that the PCB on which the IC is
mounted be designed to conduct heat from this contact.
In addition, provide the EP with a low-inductance RF
ground path for the device.
The EP MuST be soldered to a ground plane on the
PCB, either directly or through an array of plated via
holes. Soldering the pad to ground is also critical
for efficient heat transfer. Use a solid ground plane
wherever possible.
C1
RFA
CTRL
V
CC
R4
R3
IN_B
GND
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
ATTEN_B
ATTEN_A
EP
30
31
32
33
34
35
36
OUT_B
1
ATTENUATION-
CONTROL
CIRCUITRY
*SCHEMATIC SHOWS CONFIGURATION FOR TWO CASCADED ATTENUATORS. TO USE ATTENUATOR A ONLY MOVE C3
TO CONNECT OUT_A TO RFB. TO USE ATTENUATOR B ONLY MOVE C3 TO CONNECT RFB TO IN_B.
R1
C2
V
CC
CTRL
C9
C8
C6
C7
V
CC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RFB*
C3
V
CC
C4
R2
C5
RFOUT
V
CC
MAX19790
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相關代理商/技術參數
參數描述
MAX19790EVKIT+ 功能描述:有源衰減器 MAX19790 EVKIT RoHS:否 制造商:TriQuint Semiconductor 通道數量: 最大頻率: 阻抗: 最大 VSWR: 位數: 最大工作溫度: 最小工作溫度:
MAX19791ETX+ 制造商:Maxim Integrated Products 功能描述:50MHZ TO 4000MHZ DUAL ANALOG VOLTAGE VARIABLE ATTENUATOR WIT - Rail/Tube
MAX19791ETX+T 制造商:Maxim Integrated Products 功能描述:50MHZ TO 4000MHZ DUAL ANALOG VOLTAGE VARIABLE ATTENUATOR WIT - Tape and Reel
MAX19792ETX+ 功能描述:衰減器 -IC 500MHz to 3000MHz Attenuator RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰減:18 dB 容差: 阻抗: 功率額定值:30 dBm 安裝風格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C
MAX19792ETX+T 功能描述:衰減器 -IC 500MHz to 3000MHz Attenuator RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰減:18 dB 容差: 阻抗: 功率額定值:30 dBm 安裝風格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C
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