TSDF52424 查看數據表（PDF） - Vishay Siliconix

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TSDF52424

Dual - MOSMIC® – two AGC Amplifiers for TV–Tuner Prestage with 5 V Supply Voltage

Vishay Siliconix 

TSDF52424

Vishay Telefunken

Electrical AC Characteristics

VDS = 5 V, VG2S = 4 V, f = 1 MHz , Tamb = 25_C, unless otherwise specified

Parameter

Forward transadmittance

Gate 1 input capacitance

Feedback capacitance

Output capacitance

Power gain

AGC range

Noise figure

Cross modulation

Test Conditions

GS = 2 mS, GL = 0.5 mS, f = 200 MHz

GS = 3,3 mS, GL = 1 mS, f = 800 MHz

VDS = 5 V, VG2S = 1 to 4 V, f = 800 MHz

GS = 2 mS, GL = 0.5 mS, f = 200 MHz

GS = 3,3 mS, GL = 1 mS, f = 800 MHz

Input level for k = 1 % @ 0 dB AGC

fw = 50 MHz, funw = 60 MHz

Input level for k = 1 % @ 40 dB AGC

fw = 50 MHz, funw = 60 MHz

Symbol Min Typ Max Unit

y21s 20 24 28 mS

Cissg1

2.1 2.5 pF

Crss

20

fF

Coss

0.9

pF

Gps

26

dB

Gps 16.5 20

dB

DGps

45

dB

F

1

dB

F

Xmod

1.3

85

dB

dBmV

Xmod 100

dBmV

Caution for Gate 1 switch-off mode:

No external DC-voltage on Gate 1 in active mode!

Switch-off at Gate 1 with VG1S

Using open collector switching

< 0.7 V is

transistor

feasible.

(inside of

PLL),

insert

10

kW

collector

resistor.

Document Number 85069

Rev. 3, 05-Mar-99

www.vishay.de • FaxBack +1-408-970-5600

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