SA900 datasheet(16/20 Pages) PHILIPS

16 / 20 page

Philips Semiconductors

Preliminary specification

SA900

I/Q transmit modulator

1997 Sept 16

PERFORMANCE CHARACTERISTICS

900

970

1040

–16.00

FREQUENCY (MHz)

LO Buffer vs. Frequency (27

°C, TXLO = –10dBm)

–16.50

–17.00

–17.50

–18.00

–18.50

–19.00

900

970

1040

–16.00

FREQUENCY (MHz)

LO Buffer vs. Frequency (VCC = 4.0V, TXLO = –10dBm)

–16.50

–17.00

–17.50

–18.00

–18.50

–19.00

–19.50

–20.00

T = +85

°C

T = +27

°C

T = –45

°C

VCC = 3.9V

VCC = 4.0V

VCC = 4.5V

820

836

860

3.00

FREQUENCY (MHz)

AMPTX vs. Frequency (27

°C, TXLO = –10dBm)

2.80

2.60

2.40

2.20

2.00

1.80

1.60

1.40

1.20

1.00

VCC = 3.9V

VCC = 4.0V

VCC = 4.5V

820

836

860

4.00

FREQUENCY (MHz)

AMPTX vs. Frequency (VCC = 4.0V, TXLO = –10dBm)

3.50

3.00

2.50

2.00

1.50

1.00

0.50

0.00

–0.50

–1.00

820

836

850

2.60

2.40

2.20

FREQUENCY (MHz)

DUALTX vs. Frequency (TEMP 27

°C, TXLO = –10dBm)

820

836

850

3.50

3.00

2.50

2.00

1.50

1.00

0.50

0.00

FREQUENCY (MHz)

DUALTX vs. Frequency (VCC = 4.0V, TXLO = –10dBm)

–40

DUAL ICC vs. Temperature

TEMPERATURE (

°C)

T = +85

°C

T = +27

°C

T = –45

°C

SR00647

2.80

2.00

VCC = 4.5V

VCC = 3.9V

VCC = 4.0V

VCC = 4.5V

VCC = 4.0V

VCC = 3.9V

VCC = –40°C

VCC = 27°C

VCC = 85°C

Figure 12. Performance Characteristics

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