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參數(shù)資料
| 型號： | ADG901BRM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
| 中文描述： | 0 MHz - 2500 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 1086K |
| 代理商： | ADG901BRM |
REV. A
ADG901/ADG902
–9–
APPLICATIONS
The ADG901/ADG902 are ideal solutions for low power, high
frequency applications. The low insertion loss, high isolation
between ports, low distortion, and low current consumption of
these parts make them excellent solutions for many high frequency
switching applications.
Applications include switching between high frequency filters,
ASK generator, and FSK generator.
Absorptive vs. Reflective Switches
The ADG901 is an absorptive (matched) switch with 50
termi-
nated shunt legs, and the ADG902 is a reflective switch with 0
terminated shunts to ground. The ADG901 absorptive switch
has a good VSWR on each port, regardless of the switch mode.
An absorptive switch should be used when there is a need for a
good VSWR that is looking into the port but not passing the
through signal to the common port. The ADG901 is therefore
ideal for applications that require minimum reflections back to
the RF source. It also ensures that the maximum power is trans-
ferred to the load.
The ADG902 reflective switch is suitable for applications where
high off port VSWR does not matter and the switch has some
other desired performance feature. It can be used in many appli-
cations, including high speed filter selection. In most cases, an
absorptive switch can be used instead of a reflective switch, but
not vice versa.
ADG9xx EVALUATION BOARD
The ADG9xx evaluation board allows designers to evaluate the
high performance wideband switches with a minimum of effort.
To prove that these devices meet user requirements, the user
requires only a power supply and a network analyzer along with
the evaluation board. An application note is available with the
evaluation board and provides complete information on operating
the evaluation board.
The RF1 port (see Figure 3) is connected through a 50
trans-
mission line to the top left SMA connector J1. RF2 is connected
through a 50
transmission line to the top SMA connector J2.
J3 is connected to GND. A through transmission line connects
J4 and J5 and this transmission line is used to estimate the loss
of the PCB over the environmental conditions being evaluated.
The board is constructed of a 4-layer, FR4 material with a dielec-
tric constant of 4.3 and an overall thickness of 0.062 inches. Two
ground layers with grounded planes provide ground for the RF
transmission lines. The transmission lines were designed using a
coplanar waveguide with ground plane model using a trace width
of 0.052 inches, clearance to ground plane of 0.030 inches,
dielectric thickness of 0.029 inches, and a metal thickness of
0.014 inches.
Figure 3. ADG9xx Evaluation Board Top View
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADG902 | ECONOLINE: REC3-S_DRW(Z)/H* - 3W DIP Package- 1kVDC Isolation- Wide Input 2:1 & 4:1- Regulated Output- 100% Burned In- UL94V-0 Package Material- Continuous Short Circiut Protection- Efficiency to 80% |
| ADG902BCP-500RL7 | Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
| ADG902BCP-REEL7 | Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
| ADG902BRM | Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
| ADG901BCP-500RL7 | Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG901BRM-500RL7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADG901BRM-REEL7 | 功能描述:IC SW ONE HS SPST 1.6/2.7V 8MSOP RoHS:否 類別:RF/IF 和 RFID >> RF 開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:25,000 系列:* RF 型:通用 頻率:0Hz ~ 3GHz 特點:SPDT 封裝/外殼:6-XFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:TSLP-7 包裝:帶卷 (TR) 其它名稱:SP000671392 |
| ADG901BRMZ | 功能描述:IC SWITCH SPST 1.65-2.75V 8MSOP RoHS:是 類別:RF/IF 和 RFID >> RF 開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:25,000 系列:* RF 型:通用 頻率:0Hz ~ 3GHz 特點:SPDT 封裝/外殼:6-XFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:TSLP-7 包裝:帶卷 (TR) 其它名稱:SP000671392 |
| ADG901BRMZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches |
| ADG901BRMZ-REEL7 | 功能描述:IC SWITCH SPST 1.65-2.75V 8MSOP RoHS:是 類別:RF/IF 和 RFID >> RF 開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:25,000 系列:* RF 型:通用 頻率:0Hz ~ 3GHz 特點:SPDT 封裝/外殼:6-XFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:TSLP-7 包裝:帶卷 (TR) 其它名稱:SP000671392 |
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