RFCM3080 datasheet(3/6 Pages) RFMD

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RFCM3080

40-1003MHZ GAAS/GAN PUSH PULL MODULE

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Current Adjustment Using Resistor R5

The RFCM3080 can be operated over a wide range of current to provide maximum required performance with minimum current consumption.

Changing the value of resistor R5 on application circuit allows a variation of the current between 200mA and 255mA (typ.). Within the range of

current between 200mA and 255mA gain (S21) change is less than 0.4dB and noise figure change is less than 0.1dB.

Test condition:

V+= 24V; TMB=30°C; ZS=ZL=75Ω;

VO=46dBmV flat, 79 analog channels plus 75 digital channels (-6dB offset)

190

200

210

220

230

240

250

260

270

100

1000

10000

100000

Resistor R5 [Ω]

Current vs. Resistor R5

190

200

210

220

230

240

250

260

CTB and CIN degradation [dB]

Distortion Degradation

over Device Current, typical values

CTB

CIN

Device Current [mA],

typical

R5 [

Ω]

255

open

250

9100

245

4300

240

2700

235

1800

230

1200

225

820

220

560

215

390

210

240

205

130

200

V+= 24V; TMB=30°C;

ZS=ZL=75Ω

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