UPC8129GR Ver la hoja de datos (PDF) - NEC => Renesas Technology

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UPC8129GR

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

NEC => Renesas Technology 

PIN EXPLANATION

Pin No.

18

Symbol

RFout

Supply

Voltage

(V)

VCC

1

UpCon in

–

2

UpCon inb

–

Pin

Voltage

Typ. (V)

@VCC = 3 V

–

2.2

2.2

Description

RF output from Up-Converter.

This pin is open collector output.

IF input for Up-converter.

This pin is high impedance

input.

Bypass of IF input.

Grounded through external

capacitor.

3

MODout

–

1.9

Output from modulator.

This is emitter follower output.

µPC8129GR

Equivalent Circuit

18

1

2

3

4

I

VCC/2

–

Input for I signal. This input

impedance is about 200 kΩ.

Relations between amplitude

and VCC/2 bias of input signal

are following.

VCC/2

(V)

Signal Level Note

(mVP-P)

≥ 1.35

≤ 400

4

5

≥ 1.5

≤ 600

≥ 1.75

≤ 1000

5

Ib

VCC/2

–

Input for I signal. This input

impedance is about 200 kΩ.

VCC/2 biased DC signal should

be input.

6

Qb

VCC/2

–

Input for Q signal. This input

impedance is about 200 kΩ

VCC/2 biased DC signal should

be input.

7

Q

VCC/2

–

Input for Q signal. This input

impedance is about 200 kΩ.

Relations between amplitude

and VCC/2 bias of input signal

are following.

7

6

VCC/2

(V)

≥ 1.35

≥ 1.5

≥ 1.75

Signal Level

(mVP-P)

≤ 400

≤ 600

≤ 1000

Note

Note In the case of that I/Q input signals are single ended.

Of course, I/Q signal inputs can be used either single endedly or differentially with proper terminations.

8

Data Sheet P12781EJ2V0DS00

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