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F1490 Datasheet

November 15, 2021

Electrical Characteristics – 3.8GHz to 4.2GHz

Specifications apply when operated as a TX amplifier with tuning optimized for the 3.8GHz to 4.2GHz band, VDD = +5.0V, fRF = 4GHz,

TEPAD = +25°C, GAIN_SEL = LOW, STBY = HIGH, ZS = ZL = 50Ω, Evaluation Kit trace and connector losses are de-embedded, unless otherwise

stated.

Table 8.

Electrical Characteristics – 3.8GHz to 4.2GHz (Low Gain Mode unless Otherwise Specified)

Parameter

Symbol

Condition

Minimum

Typical

Maximum

Unit

Gain

Low Gain Mode

High Gain Mode

Gain Flatness

GFLAT

fRF = 3.8GHz to 4.2GHz

2.4

Gain Variation Over Temperature

GTEMP

TEPAD = -40°C to +115°C,

referenced to TEPAD = 25°C

+2.6 / -2.2

STBY Mode Gain

GSTBY

STBY = logic LOW

PIN ≤ -15dBm

fRF = 3.8GHz to 4.2GHz

-45

RF Input Return Loss

RLRFIN

fRF = 3.8GHz to 4.2GHz

RF Output Return Loss

RLRFOUT

fRF = 3.8GHz to 4.2GHz

Reverse Isolation

ISOREV

Noise Figure

3.5

Output Third Order Intercept Point

OIP3

POUT = +4dBm / tone

1MHz tone separation

dBm

Output 1dB Compression Point

OP1dB

dBm

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