SP5748 Просмотр технического описания (PDF) - Mitel Networks

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производитель

SP5748

2.4GHz Very Low Phase Noise PLL

Mitel Networks 

SP5748 Advance Information

+j1

+j0.5

+j2

+j0.2

+j5

S11 : Zo = 50Ω

Normalised to 50Ω

0

1

-j0.2

2 -j5

3

4

-j0.5

-j2

-j1

Figure 3 RF input impedance

Frequency Markers at 500MHz,

1GHz, 1.5GHz and 2.4GHz

CLOCK

ENABLE

DATA

225

224

223

222

221

220

219

218

217

216

20

P1

P0 T0

C1

C0

R2 R1 R0

RD MSB

LSB

Frequency data

TIMING DIAGRAM

TBC

2^16 to 2^0

R2,R1,R0

RD

P1,P0

C1,C0

T0

: Programmable divider ratio control bits

: Reference divider control bits

: Reference divider mode select

: Port control bits

: Charge pump current select

: Test mode enable

Figure 4 Data format

C1

C0

Current (in mA)

0

0

0.2

0

1

0.9

1

0

.1

1

1

.45

Figure 5 Charge pump current

6

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