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參數(shù)資料
| 型號(hào)： | MAX19794ETX+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 8/25頁 |
| 文件大小： | 5676K |
| 描述： | ATTENUATR 46DB 50OHM 4GHZ 36TQFN |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 衰減值： | 0dB ~ 46.4dB |
| 頻率范圍： | 500MHz ~ 4GHz |
| 阻抗： | 50 歐姆 |
| 封裝/外殼： | 36-WFQFN 裸露焊盤 |
MAX19794
10MHz to 500MHz Dual Analog Voltage Variable
Attenuator with On-Chip 10-Bit SPI-Controlled DAC
8
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= 5.0V, configured for single attenuator, RF ports are driven from 50I sources and loaded into 50I,
V
DAC_LOGIC
= 0V, RDBK_EN = logic 0, V
CTRL
= 1.0V, P
IN
= 0dBm, f
RF
= 55MHz, T
C
= +25NC, unless otherwise noted.).
S21 PHASE CHANGE vs. DAC CODE
DAC CODE
768
512
256
0
1024
30
-20
-10
0
10
20
-30
C10 = C11 = 10nF
REFERENCED TO INSERTION LOSS STATE
POSITIVE PHASE = ELECTRICALLY SHORTER
55MHz
100MHz
200MHz
10MHz
INPUT MATCH vs. RF FREQUENCY
OVER CODE SETTINGS
-40
-30
-20
-10
0
-50
RF FREQUENCY (MHz)
375
250
125
0
500
C10 = C11 = 100pF
OUTPUT MATCH vs. RF FREQUENCY
OVER CODE SETTINGS
-40
-30
-20
-10
0
-50
RF FREQUENCY (MHz)
375
250
125
0
500
C10 = C11 = 100pF
-20
-10
0
-30
ATTENUATION vs. RF FREQUENCY
OVER CODE SETTINGS
RF FREQUENCY (MHz)
375
250
125
0
500
C10 = C11 = 100pF
INPUT MATCH vs. DAC CODE
-40
-30
-20
-10
0
-50
DAC CODE
768
512
256
0
1024
C10 = C11 = 100pF
200MHz
300MHz
400MHz
500MHz
OUTPUT MATCH vs. DAC CODE
-40
-30
-20
-10
0
-50
DAC CODE
768
512
256
0
1024
C10 = C11 = 100pF
200MHz
300MHz
400MHz
500MHz
ATTENUATION vs. DAC CODE
DAC CODE
768
512
256
0
1024
0
-25
-20
-15
-10
-5
-30
C10 = C11 = 100pF
200MHz
500MHz
300MHz, 400MHz
ATTENUATION vs. DAC CODE
DAC CODE
768
512
256
0
1024
0
T
C
= -40癈, +25癈, +85癈
-25
-20
-15
-10
-5
-30
f
RF
= 300MHz
C10 = C11 = 100pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19794ETX+ | 功能描述:衰減器 -IC 10MHz to 500MHz 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(fēng)格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C |
| MAX19794ETX+T | 功能描述:衰減器 -IC 10MHz to 500MHz 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(fēng)格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C |
| MAX1979ETM | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX1979ETM+ | 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX1979ETM+T | 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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