TSDF02830YR datasheet(4/6 Pages) VISHAY

4 / 6 page

Document Number 85164

Rev. 1, 25-Oct-02

www.vishay.com

VISHAY

TSDF02830YR

Vishay Semiconductors

Remark on improving intermodulation behavior:

By setting RG1 smaller than 100 kΩ, e.g. 68 kΩ typical value of IDSO will raise and improved intermodulation behavior will be performed.

Amplifier 2

VDS = VRG1 = 5 V, VG2S = 4 V, RG1 = 56 kΩ, ID = IDSO, f = 1 MHz, Tamb = 25 °C, unless otherwise specified

Following data are valid for operating amplifier 2 (pin 6, 4, 2, 5) which is optimized for VHF applications

Remark on improving intermodulation behavior:

By setting RG1 smaller than 56 kΩ, typical value of IDSO will raise and improved intermodulation behavior will be performed.

Cross modulation

Input level for k = 1 % @ 0 dB AGC

fw = 50 MHz, funw = 60 MHz

Xmod

dBµV

Input level for k = 1 % @ 40 dB

AGC fw = 50 MHz, funw = 60 MHz

Xmod

100

105

dBµV

Parameter

Test condition

Symbol

Min

Typ.

Max

Unit

Forward transadmittance

|y21s|

Gate 1 input capacitance

Cissg1

2.5

3.0

Feedback capacitance

Crss

Output capacitance

Coss

0.9

Power gain

GS = 2 mS, BS = BSopt, GL = 0.5

mS, BL = BLopt, f = 200 MHz

Gps

GS = 2 mS, BS = BSopt, GL = 1 mS,

BL = BLopt, f = 400 MHz

Gps

GS = 3.3 mS, BS = BSopt, GL = 1

mS, BL = BLopt, f = 800 MHz

Gps

AGC range

VDS = 5 V, VG2S = 0.5 to 4 V, f = 200

MHz

Gps

Noise figure

GS = GL = 20 mS, BS = BL = 0, f =

50 MHz

4.5

6.0

GS = 2 mS, GL = 1 mS, BS = BSopt,

f = 400 MHz

1.0

1.6

GS = 3.3 mS, GL = 1 mS, BS =

BSopt, f = 800 MHz

1.5

2.3

Cross modulation

Input level for k = 1 % @ 0 dB AGC

fw = 50 MHz, funw = 60 MHz

Xmod

dBµV

Input level for k = 1 % @ 40 dB

AGC fw = 50 MHz, funw = 60 MHz

Xmod

105

dBµV

Parameter

Test condition

Symbol

Min

Typ.

Max

Unit

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