RF2459 데이터 시트보기 (PDF) - RF Micro Devices

부품명

상세내역

일치하는 목록

RF2459

3V PCS DOWNCONVERTER

RF Micro Devices 

Preliminary

RF2459

Pin Function Description

Interface Schematic

1

LO IN

Mixer LO single-ended input. The pin is internally DC blocked. External

matching sets impedance.

LO IN

2

GND2

Ground for downconverter. Keep traces physically short and connect

directly to ground plane for best performance.

3

VCC

Supply voltage for downconverter. External RF bypassing is required.

The trace length between the bypass caps and the pin should be mini-

mized. Connect ground sides of caps directly to ground.

4

GND1

Same as pin 2.

5

RF IN

Mixer RF single-ended input. The pin is internally DC blocked. External

matching sets input impedance.

RF IN

6

GND3

Same as pin 2.

7

IF-

IF output pin. The output is balanced. A current combiner external net-

work performs a differential to single-ended conversion and sets the

output impedance. There must be a DC path from VCC to this pin. this

is normally achieved with the current combiner network. A DC blocking

cap must be present if the IF filter input has a DC path to ground.

IF+ IF-

8

IF+

Same as pin 7, except complementary output.

8

Rev A2 010717

8-99

Share Link: