UPC8103 Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPC8103

MIXER + OSCILLATOR IC FOR PAGER SYSTEM

NEC => Renesas Technology 

µPC8103T, µPC8108T

TEST CIRCUIT 1

RS = 50 Ω, RL = 2 kΩ (CG MEASUREMENT)

Signal Generator (Lo)

50 Ω

1 000 pF

C2

NC 3

4

2

5

C1

1

6

50 Ω

1 000 pF

1 000 pF 3 300 pF 1 000 pF VCC

C3

C4

C5

L 150 µH

R 2 kΩ*

C6 1 000 pF

Signal Generator (RF)

50 Ω Supplement:

(50 Ω means impedance of measurement equipment)

Spectrum Analyser

* Note On 50 Ω measurement, this high inpedance IFout needs the calculatiuon as follows

CG (dB) = Measured value +20 log10 2 kΩ

50 Ω

TEST CIRCUIT 2

RS = RL = 50 Ω (NF MEASUREMENT)

Signal Generator (Lo)

50 Ω

1 000 pF

C2

NC 3

4

2

5

C1

1

6

1 000 pF

20 MHz

1 000 pF 3 300 pF 1 000 pF VCC

C3

C4

C5

L 150 µH

NOISE SOURCE

NF meter

C6 1 000 pF

50 Ω

50 Ω

6

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