UPC8112TB-E3 查看數據表（PDF） - NEC => Renesas Technology

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UPC8112TB-E3

SILICON MMIC 1st FREQUENCY DOWN-CONVERTER FOR CELLULAR/CORDLESS TELEPHONE

NEC => Renesas Technology 

µPC8112TB

STANDARD CHARACTERISTICS FOR REFERENCE

(TA = +25°C, VCC = VPS = VIFout = 3.0 V, PLOin = −10 dBm, ZS = ZL = 50 Ω)

Parameter

Conversion Gain

Single Side Band Noise Figure

LO Leakage at RF pin

RF Leakage at LO pin

LO Leakage at IF pin

Input 3rd Order Intercept

PointNote

Symbol

CG

SSB•NF

LORF

RFLO

LOif

IIP3

Test Conditions

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 900 MHz, fLOin = 1 000 MHz

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 1.9 GHz, fLOin = 1.66 GHz

fRFin = 900 MHz, fLOin = 1 000 MHz

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 1.9 GHz, fLOin = 1.66 GHz

fRFin = 900 MHz, fLOin = 1 000 MHz

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 1.9 GHz, fLOin = 1.66 GHz

fRFin = 900 MHz, fLOin = 1 000 MHz

fRFin = 1.5 GHz, fLOin = 1.6 GHz

fRFin = 1.9 GHz, fLOin = 1.66 GHz

Reference

13

11

−45

−46

−45

−80

−57

−55

−32

−33

−30

−10

−9

−7

Unit

dB

dB

dB

dB

dB

dBm

Note IIP3 is determined by comparing two method; theoretical calculation and cross point of IM3 curve.

IIP3 = (∆IM3 × Pin + CG − IM3) ÷ (∆IM3 − 1) (dBm) [∆IM3: IM3 curve inclination in linear range]

µPC8112’s ∆IM3 is closer to 3 (theoretical inclination) than µPC2757 and µPC2758 of conventional ICs.

TEST CIRCUIT

Signal Generator

50 Ω

(Top View)

1 000 pF

3

C2

LOinput

PS 4

POWER

SAVE

Signal Generator

50 Ω

2 GND

1 000 pF

1

C1

RFinput

VCC

IFoutput

5

L1

6

C4, C5

3V

50 Ω

C6

Spectrum Analyzer

6

Data Sheet P12808EJ2V0DS00

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