U6225B Просмотр технического описания (PDF) - Temic Semiconductors

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U6225B

2.9 GHz PLL for SAT TV Receiver with Universal Bus

Temic Semiconductors 

U6225B

Typical Prescaler Input Sensitivity

Vi (mV RMS on 50 Ohm)

1000

TELEFUNKEN Semiconductors

100

OPERATING WINDOW

10

1

0

500

1000

1500

2000

2500

3000

3500

4000

Frequency (MHz)

95 10741

Figure 13.

Typical Input Impedance

j

0.5j

2j

0.2j

4.0 GHz

0

3.5 GHz

ÁÁÁÁ ÁÁÁÁ ÁÁ 0.2

0.5

1

3.0 GHz

–0.2j

2.5 GHz

2.0 GHz

95 9927

–0.5j

10 (12)

–j

Figure 14.

5j

ÁÁ2ÁÁ

ÁÁ5 ÁÁ

1

ÁÁÁÁÁÁ 100 MHz

–5j

ÁÁÁÁÁÁ 500 MHz

1 GHz

–2j

ÁÁÁ Z0 = 50 W

Rev. A1: 25.10.1995

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