UPC1686GV 데이터 시트보기 (PDF) - California Eastern Laboratories.

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UPC1686GV

NEC's 900 MHz SILICON MMIC DOWN CONVERTER

California Eastern Laboratories. 

TYPICAL APPLICATION CIRCUIT

UPC1686GV

Figure 4

VCC

IF Output

47 KΩ

1SV164

47 KΩ

BT (0.5 to 29V)

47 Ω

100 pF 10 Ω

2.2 µH 56 pF

1000 pF

1SV191

47 KΩ

OSC

100 MHz φ0.4 φ3.2 12T

250 MHz φ0.4 φ3.2 7T

520 MHz φ0.4 φ2.8 2T

550 MHz φ0.4 φ3.0 2T

1000 pF

RF 55 MHz

RF 200 MHz

RF 500 MHz

4

3

2

1

10 pF

C1 8 pF

C1 4 pF

C1 2 pF

L1 φ0.3 φ3.5 24T L1 φ0.4 φ3.2 3T L1 φ0.4 φ3.5 2T

L2 φ0.3 φ3.5 32T L2 φ0.4 φ4.0 7T L2 φ0.5 φ3.5 2T

5

6

7

8

20 pF

1000 pF

1000 pF

1000 pF

C1

L2

RF Input

L1

APPLICATION BLOCK DIAGRAM FOR T.V. TUNER

B.P.F.

UHF RF Input

RF Amp

B.P.F.

UPC1687

UPC1685

U-MIX

U-OSC

RES.

U-OSC

UIF-

B.P.F

IF

AMP

B.P.F.

RF Amp

B.P.F.

VHF RF Input

V-OSC

RES.

V-MIX

V-OSC

IF

AMP

UPC1686

IF Output

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