Si4133 datasheet(9/34 Pages) ETC

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Si4133

Rev. 1.1

RF1 Harmonic Suppression

Second Harmonic

—

–26

–20

dBc

RF2 Harmonic Suppression

—

–26

–20

dBc

IF Harmonic Suppression

—

–26

–20

dBc

RFOUT Power Level

ZL = 50 Ω

–8

–3

dBm

RFOUT Power Level2

L = 50 Ω, RF1 active,

Extended frequency

operation

–14

–7

dBm

IFOUT Power Level

ZL = 50 Ω

–8

–4

dBm

RF1 Output Reference Spurs

Offset = 200 kHz

—

–65

—

dBc

Offset = 400 kHz

—

–71

—

dBc

Offset = 600 kHz

—

–75

—

dBc

RF2 Output Reference Spurs

Offset = 200 kHz

—

–65

—

dBc

Offset = 400 kHz

—

–71

—

dBc

Offset = 600 kHz

—

–75

—

dBc

Power Up Request to Synthesizer

Ready3 Time

pup

Figures 4, 5

—

40/fφ

50/fφ

Power Down Request to Synthesizer

Off4 Time

tpdn

Figures 4, 5

—

100

Table 5. RF and IF Synthesizer Characteristics (Continued)

(VDD = 2.7 to 3.6 V, TA = –40 to 85°C)

Parameter1

Symbol

Test Condition

Min

Typ

Max

Unit

Notes:

1. fφ = 200 kHz, RF1 = 1.6 GHz, RF2 = 1.2 GHz, IFOUT = 550 MHz, LPWR = 0, for all parameters unless otherwise noted.

2. Extended frequency operation only. VDD ≥ 3.0 V, MLP only, VCO Tuning Range fixed by directly shorting the RFLA and

RFLB pins. See Application Note 41 for more details on the Si4133 extended frequency operation.

3. From power up request (PWDNB

↑ or SENB↑ during a write of 1 to bits PDIB and PDRB in Register 2) to RF and IF

synthesizers ready (settled to within 0.1 ppm frequency error).

4. From power down request (PWDNB

↓, or SENB↑ during a write of 0 to bits PDIB and PDRB in Register 2) to supply

current equal to IPWDN.

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