STB4395 データシートの表示（PDF） - STMicroelectronics

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STB4395

CT2 RECEIVER/TRANSMITTER

STMicroelectronics 

STB4395

8 - TRANSCEIVER SECTION (continued)

Dataslicer time constants

Symbol

Parameter

Slow

Fast

Hold Drift Rate 60mV < signal < 100mV

For 33nF capacitor at SLTC

Min.

Typ.

3*

130*

1

Max.

Unit

ms

µs

mV/ms

8.2 - Transmitter-Output Specification

Symbol

POUT

Parameter

Output Power into 300Ω balanced, high power mode

LO Rejection

Output Control Switch

TXFLT/NTXFLT output

Symbol

Parameter

Output Impedance

Load Impedance (external)

Voltage Out (channel frequency, application circuit of this D/S)

Voltage Out (channel frequency-300.8MHz, app. cct of this D/S)

Min.

13

25

Typ.

14

Max.

Unit

dBm

dBC

dB

Min.

Typ.

2

1.2

200

80

Max.

Units

kΩ

kΩ

mVPP

mVPP

8.3 - Synthesizer/Modulator/Channel Select Loop

8.3.1 - Synthesizer Phase Noise and Spurious

Phase noise and spurious are measured at the RF outputs RF / NRF in transmit mode, no RF SAW filter.

Phase Noise (Average)

Offset Frequency from carrier

±100kHz

±500kHz

±1MHz

±10MHz

Min.

Typ.

-106

-121

-127

-145

Max.

Unit

dBc/Hz

dBc/Hz

dBc/Hz

dBc/Hz

Spurious

Offset Frequency from carrier

±50kHz

±100kHz

±200kHz

±200kHz to ±10MHz

±10MHz to ±100MHz

Min. Typ. Max. Unit

-55

dBc

-63

dBc

-70

dBc

-75

dBc

-40

dBc

8.3.2 - Channel Select Loop

Symbol

Frequency

Frequency Steps

Parameter

Min.

Typ.

channel - 150.4

50

Max.

Unit

MHz

kHz

11/16

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