ADL8101ACPZN-R7 datasheet(31/35 Pages) AD

31 / 35 page

Data Sheet

ADL8101

APPLICATIONS INFORMATION

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Rev. 0 | 31 of 35

OPERATION FROM 10 KHZ TO 22 GHZ

Figure 124 shows the application circuit that was used to extend

operation down to 10 kHz. Components, L3 = 680 μH and R4 = 300

Ω, support the low frequency operation. The gain and the return

loss of this circuit are shown in Figure 122 and Figure 123.

Figure 122. Gain and Return Loss vs. Frequency of 10 kHz to 22 GHz

Application Circuit, 10 kHz to 200 MHz,

VDD = 5 V, IDQ = 90 mA, RBIAS = 715 Ω

Further adjustments can be made to the external components of

the device to operate at even lower frequencies. Specifically, the

bias tee and DC blocking capacitors can be modified because

these components are the limiting factor causing the low frequency

cutoff. These external components can be interchanged to support

low frequency operation.

Figure 123. Gain and Return Loss vs. Frequency of 10 kHz to 22 GHz

Application Circuit, 200 MHz to 24 GHz,

VDD = 5 V, IDQ = 90 mA, RBIAS =715 Ω

Figure 124. Typical Application Circuit for Operation from 10 kHz to 22 GHz

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