UPC2775GS-E1 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPC2775GS-E1

FREQUENCY DOWN CONVERTER FOR VHF-UHF BAND TV/VCR TUNER

NEC => Renesas Technology 

µPC2775GR/GS

Pin No.

Symbol

11

IF

12

output

Pin voltage TYP.

above: V mode (V)

below: U mode (U)

Function and Explanation

5.80

-------------

IF output pins of VHF-UHF band

functions.

Higher output power can be obtained

by connecting registor (ex. 470 Ω) to

the ground.

5.65

Equivalent circuit

13

11

12

13

VCC

- - - - - -9-.0- - - - - - Power supply for VHF-UHF band

9.0

functions.

14

MIX

output 1

- - - - - -7.-0-5 - - - - - VHF and UHF MIX output pin.

6.95

These pins should be equipped with

15

MIX

7.05

tank circuit to adjust frequency.

-------------

output 2

6.95

16

VRF

input

2.75

VRF signal input pin from antenna.

17

-------------

(bypass)

2.80

17

VRF input

2.75

Bypass pin for VHF MIX input.

-------------

2.80

Grounded through capacitor.

18

GND

- - - - - - -0- - - - - - GND pin of MIX, IF amplifier and

0

regulator.

19

URF input - - - - - - -–- - - - - - Bypass pin for UHF MIX input.

(bypass)

2.65

Grounded through capacitor.

20

URF input - - - - - - -– - - - - - - URF signal input pin from antenna.

19

2.65

13 14 15





From

VHF

16  OSC

13

14 15





From

UHF

20  OSC

4

Data Sheet P10194EJ3V0DS00

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