CXA3250N Ver la hoja de datos (PDF) - Sony Semiconductor

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Fabricante

CXA3250N

All Band TV Tuner IC with On-chip PLL

Sony Semiconductor 

CXA3250AN

Pin

Symbol

No.

Pin voltage

[V]

9 MIXOUT1

—

Equivalent circuit

9

10

10 MIXOUT2

—

Description

Mixer output.

These pins output the signal with

open collector, and they must be

connected to the power supply via

the load.

11 GND1

—

3.8 during

VHF reception 8

12 BYP/MS

3.8 during

13

UHF reception

3k

2.6 during

VHF reception

13 VHFin

0.1 during

UHF reception

2.6 during

UHF reception

8

14 UHFin1

0.1 during

14

VHF reception

15

2.6 during

UHF reception

15 UHFin2

0.1 during

VHF reception

2.1 during

8

VHF reception

400

16 VOSC1

2.3 during

UHF reception

4.2 during

3k

VHF reception

18 VOSC2

5.0 during

UHF reception

17

GND

—

—

23

15p

24k

3k

76k

12

3k 3k

Analog circuit GND.

Pin 12 : VHF input grounding and

control bus switching.

Pin 13 : VHF input.

Input format is the

unbalanced input.

UHF inputs.

Input the signal to Pins 14 and 15

symmetrically or ground either of

Pin 14 or 15 with the capacitor and

input the signal to the rest.

18

50

16 External resonance circuit

3k

connection for VHF oscillator.

GND for separating the analog and

—

PLL systems.

—5—

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