參數(shù)資料
型號: ADG918BRMZ1
廠商: ANALOG DEVICES INC
元件分類: 開關(guān)
英文描述: 0 MHz - 2000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS
封裝: LEAD FREE, RM-8, MO-187AA, MSOP-8
文件頁數(shù): 13/16頁
文件大?。?/td> 614K
代理商: ADG918BRMZ1
ADG918/ADG919
Rev. A | Page 6 of 16
TERMINOLOGY
Table 5. Terminology
Parameter
Description
VDD
Most positive power supply potential
IDD
Positive supply current
GND
Ground (0 V) reference
CTRL
Logic control input
VINL
Maximum input voltage for Logic 0
VINH
Minimum input voltage for Logic 1
IINL (IINH)
Input current of the digital input
CIN
Digital input capacitance
tON
Delay between applying the digital control input and the output switching on.
tOFF
Delay between applying the digital control input and the output switching off.
tRISE
Rise time. Time for the RF signal to rise from 10% to 90% of the ON level.
tFALL
Fall time. Time for the RF signal to fall from 90% to 10% of the ON level.
Off Isolation
The attenuation between input and output ports of the switch when the switch control voltage is in the OFF condition.
Insertion Loss
The attenuation between input and output ports of the switch when the switch control voltage is in the ON condition.
P–1 dB
1 dB compression point. The RF input power level at which the switch insertion loss increases by 1 dB over its low level
value. It is a measure of how much power the ON switch can handle before the insertion loss increases by 1 dB.
IP3
Third order intermodulation intercept. This is a measure of the power in false tones that occur when closely spaced tones
are passed through a switch, whereby the nonlinearity of the switch causes these false tones to be generated.
Return Loss
The amount of reflected power relative to the incident power at a port. Large return loss indicates good matching. By
measuring return loss the VSWR can be calculated from conversion charts. VSWR (voltage standing wave ratio) indicates
degree of matching present at a switch RF port.
Video
Feedthrough
Spurious signals present at the RF ports of the switch when the control voltage is switched from high to low or low to
high without an RF signal present.
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