BGA2717 查看數據表（PDF） - Philips Electronics

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BGA2717

MMIC wideband amplifier

Philips Electronics 

Philips Semiconductors

BGA2717

MMIC wideband amplifier

8. Application information

Figure 1 shows a typical application circuit for the BGA2717 MMIC. The device is

internally matched to 50 Ω, and therefore does not need any external matching. The value

of the input and output DC blocking capacitors C2 and C3 should not be more than 100 pF

for applications above 100 MHz. However, when the device is operated below 100 MHz,

the capacitor value should be increased.

The 22 nF supply decoupling capacitor C1 should be located as close as possible to the

MMIC.

The printed-circuit board (PCB) top ground plane, connected to pins 2, 4 and 5 must be as

close as possible to the MMIC, and ideally directly beneath it. When using via holes, use

multiple via holes, located as close as possible to the MMIC.

VS

C1

C2 6 RF_IN

RF input

1

VS

RF_OUT 3 C3

RF output

GND1

4

GND2

2, 5

mgu435

Fig 1. Typical application circuit.

Figure 2 shows the PCB layout, used for the standard demonstration board.

9397 750 13293

Product data sheet

Rev. 02 — 24 September 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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