UPC8158 Ver la hoja de datos (PDF) - NEC => Renesas Technology

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UPC8158

RF UP-CONVERTER WITH AGC FUNCTION + IF QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATION SYSTEMS

NEC => Renesas Technology 

Supply Pin

Pin

Symbol Voltage Voltage

No.

(V)

(V)Note

Function and Application

22 N.C.

–

–

This pin is not connected to internal

circuit. This pin should be opened

or grounded.

23 RFout

–

1.75 RF output pin. This pin is emitter

follower which is low impedance

output port. This pin can be easily

matched to 50 Ω impedance using

external coupling and decoupling

capacitors.

24 N.C.

–

–

These pins are not connected to

internal circuit. These pins should

be opened or grounded.

25

VCC 2.7 to 4.0

–

Supply voltage pin for RF output

buffer.

26 Fil1

27 Fil2

–

2.76 External inductor and capacitor can

–

2.76

supress harmonics spurious of LO1

frequency.

LC value should be determined

according to LO1 input frequency

and suppression level.

µPC8158K

Internal Equivalent Circuit

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External

23

–––––––––––––––––

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External

26

27

28 GND

0

–

Ground pin for modulator, up-

converter and AGC circuits. This pin

should be grounded with minimum

inductance. Form the ground

pattern as widely as possible to

minimize ground impedance.

Note Pin Voltages are measured on VCC = 3.0 V.

–––––––––––––––––

8

Preliminary Data Sheet P13831EJ1V1DS00

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