HMC8414ACPZN-R7 datasheet(31/34 Pages) AD

부품명	HMC8414ACPZN-R7

상세설명	Low Noise Amplifier with Bypass Switch 0.1 GHz to 10 GHz

PDF	34 Pages

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제조업체	AD [Analog Devices]

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31 / 34 page

Data Sheet

HMC8414

AMPLIFIER BYPASS MODE RESPONSE

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Rev. 0 | 31 of 34

Figure 131 shows the response time of the HMC8414 switching

between amplifier mode and bypass mode. The red trace is the

VCTRL signal and the blue trace is the output envelope when the

input frequency is –10 dBm continuous wave at 250 MHz. This

measurement was made using the default application circuit. The

settling time of the circuit is strongly influenced by the 590 nH bias

inductor (L1 in Figure 130). Reducing the value of this inductor to

77 nH reduces the settling time along with the magnitude of the

switching transients (see Figure 132). Reducing the size of the bias

inductor also affects the low end frequency response of the circuit.

Figure 131. Amplifier Internal Bypass Switch Response Time

Figure 132. Amplifier Internal Bypass Switch Response Time with Bias

Inductor Reduced to 77 nH

HMC8414ACPZN-R7 데이터시트(PDF) 31 Page - Analog Devices