UPC8101 datasheet(1/3 Pages) NEC

Part #	UPC8101

Description	150 MHz SILICON QUADRATURE MODULATOR IC FOR DIGITAL MOBILE COMMUNICATIONS

PDF	3 Pages

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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FEATURES

INTERNAL BLOCK DIAGRAM

PRELIMINARY DATA SHEET

3 V, SILICON MMIC 150 MHz

QUADRATURE MODULATOR

UPC8101GR

ELECTRICAL CHARACTERISTICS (TA = 25°C, LO PIN = -10 dBm, VENABLE ⊕1.8 V, ZL = 50 Ω)

•

OPERATING FREQUENCY: 50 to 150 MHz

•

I/Q INPUT FREQUENCY RANGE: DC to 500 kHz

•

DIGITAL 90

° PHASE SHIFTER

•

ALLOWABLE BIAS VOLTAGE: 2.7 to 5.5 V

•

POWER SAVE: "SLEEP" MODE

•

SMALL SIZE SSOP20 SURFACE MOUNT PACKAGE

•

TAPE AND REEL PACKAGING OPTION AVAILABLE

DESCRIPTION

The UPC8101GR is a Silicon Monolithic Integrated Circuit

(MMIC) which is manufactured using NEC's 20 GHz fT NESAT

III process. The Quadrature Modulator was designed for

digital mobile communications in general, and the CT2 band

requirements in particular. Operating on DC bias voltages as

low as 2.7 volts, this IC is ideal for handheld/portable designs.

The UPC8101GR takes an external LO signal, and digitally

divides its frequency by two to generate the quadrature LO

required for the dual internal mixer circuits. These mixers also

receive external in-phase (I) and quadrature (Q) signals. The

up-converted outputs of the mixers are combined in a differ-

ential output amplifier. The resultant output signal is at fre-

quency of fLO/2 + fI/Q. Buffers are provided at the LO, I and Q

inputs, and filtering is provided between the digital frequency

divider and the mixers. The device can be powered down by

grounding the Enable pin.

NEC's stringent quality assurance and test procedures en-

sure the highest reliability and performance.

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

F/F

270˚

180˚

90˚

0˚

LPF

REG.

1. LOCAL IN

2. LOCAL IN

3. GND

4. Q-BIAS

5. Q-BIAS

6. GND

7. Q-INPUT

8. Q-INPUT

9. GND

10. IF OUTPUT

11. VCC

12. VENABLE

13. I-INPUT

14. I-INPUT

15. GND

16. I-BIAS

17. I-BIAS

18. GND

19. N.C.

20. GND

Note:

1. fLO = 300.1 MHz, fI/Q = 36 kHz at VCC/2 + 1 Vp-p.

Note: N.C. = No Connection

PART NUMBER

UPC8101GR

PACKAGE OUTLINE

S20 (SSOP 20)

VCC = 2.7 V

VCC = 5.5 V

SYMBOLS

PARAMETERS AND CONDITIONS

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

ICC

Circuit Current

mA

10

15

22

17

24.5

32

VENABLE

≤ 1.0 V

mA

0.33

0.4

1.05

1.2

PSAT

Saturated Output Power

dBm

-16

-11

-8

-13

-8

-5

LOLEAK

LO Leakage at IF Port (fLO/2)

dBm

-49

-37

-39

-28

IM REJ

Image Rejection at IF Port (fLO/2 - f I/Q)1

dBc

28.5

37

28.5

38

IM3

Third Order Intermodulation Distortion1

dBc

37

56

ZI/Q

I/Q Port Input Impedance

K

Ω

500

1000

500

700

RLLO

LO Port Return Loss

dB

26

RLIF

IF Port Return Loss

dB

21

τ

Power Enable Response Time

Turn on

µsec

15

Turn off

µsec

13

VENABLE

Power Enable Control Voltage

On

V

1.8

5.5

1.8

5.5

Off

V

1.0

California Eastern Laboratories

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