STA8090FG datasheet(31/41 Pages) STMICROELECTRONICS

部件名	STA8090FG

功能描述	Fully integrated GPS/Galileo/GLONASS/BeiDou/QZSS receiver with embedded RF and in-package Flash

PDF	41 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

31 / 41 page

DS10719 Rev 6

31/41

STA8090FG

Electrical characteristics

Table 24. RFCHAIN – GLONASS/BeiDou filter and VGA

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

S11(1)

1. Not tested in production.

Input return loss

GLONASS band

-10

BeiDou band

-7

fIFGNS/BDU

IF frequency for

GLONASS

PLL in default condition

with 26 Mhz as

reference

—8.519

MHz

IF frequency for BeiDou

—

10.277

Noise figure

NF overall chain with

AGC set at 0 dB

—2(1)

Conversion gain from

RF input to ADC input

VGA at max gain

—

118

VGA at min gain

—

IP1dB

RF-IF-VGA input

compression point

VGA min

—

-80

dBm

IRR

Image rejection ratio

—

BWGNS/BDU -3dB IF bandwidth

—

MHz

ATT

Alias frequency rejection

F = 53 MHz

(fs = 65.474 MHz)

—30

TgGNS/BDU

IF filter group delay

variation

—20(1)

Table 25. Synthesizer

Symbol

Parameter

Min.

Typ.

Max.

Unit

FTCXO_XTAL

Input frequency for xtal amplifier (1)

1. That amplifier can be used as a TCXO input buffer.

MHz

RDIV

Reference divider range

NDIV

Loop divider range

2047

FLO

LO operating frequency

3142.656

MHz

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