Rainbow-electronics MAX2057 Manual do Utilizador descarregar pdf (Página 6)

MAX2057

1700MHz to 2500MHz Variable-Gain

Amplifier with Analog Gain Control

6 _______________________________________________________________________________________

OUTPUT P1dB vs. RF FREQUENCY

MAX2057 toc22

RF FREQUENCY (MHz)

OUTPUT P1dB (dBm)

2300210019001700

1500 2500

= +25°C

= -40°C

= +85°C

OUTPUT P1dB vs. RF FREQUENCY

MAX2057 toc23

RF FREQUENCY (MHz)

OUTPUT P1dB (dBm)

2300210019001700

1500 2500

= 4.75V

= 5.25V

= 5.00V

OUTPUT IP2 vs. RF FREQUENCY

MAX2057 toc19

RF FREQUENCY (MHz)

OUTPUT IP2 (dBm)

2300210019001700

1500 2500

= 4.75V

= 5.25V

= 5.00V

INPUT IP2 vs. ATTENUATION

MAX2057 toc20

ATTENUATION (dB)

INPUT IP2 (dBm)

15105

020

= +25°C

= -40°C

= +85°C

051015 20

OUTPUT IP2 vs. ATTENUATION

MAX2057 toc21

ATTENUATION (dB)

OUTPUT IP2 (dBm)

= +25°C

= -40°C

= +85°C

Typical Operating Characteristics (continued)

One Attenuator Configuration

(Typical Application Circuit with one attenuator connected, V

= +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, f

= 2100MHz, maximum gain

setting, P

OUT

= +5dBm, linearity measured at P

OUT

= +5dBm/tone, T

= +25°C, unless otherwise noted.)

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