PMB2347 データシートの表示（PDF） - Infineon Technologies

部品番号

コンポーネント説明

メーカー

PMB2347

RF/IF Double PLL Frequency Synthesizer

Infineon Technologies 

PMB 2347

preliminary

Reference

Table 5-14 Programming of CP Current of PLL2

c2

CP current 1

CP Current [mA]

0

Tristate

1

1.0 mA

Remark

with 100µA reference current

Table 5-15 Programming of Charge Pump Pulse Width of both PLLs

c7

c6

CPP width 1 CPP width 2

Pulse Width [ns] typ.

0

0

1.6 ns

1

0

6.0 ns

0

1

9.0 ns

1

1

13.0 ns

Remark

not recommended for PLL2

Table 5-16 Standby of Power Down Programming of both PLLs

Control Bits

Mode

Affected Output Pins

Z: High Impedance (Tristate)

c9

standby 1

c8

standby 2

Pin 11

LD/fo

Pin 3

CP1

Pin 18

CP2

0

0

standby1

off

Z

Z

1

0

standby2

off

Z

Z

0

1

standby1

off

Z

Z

1

1

Operation Mode

active

active

active

Table 5-17 Programming of Synchronous/Asynchronous Mode of PLL1

c13

Sync/Async

Synchronous/Asynchronous Mode

0

Asynchronous Mode of PLL 1

1

Synchronous Mode of PLL 1

Table 5-18 Programming of PD Polarity of both PLLs

Control Bit

c10

PD Polarity

0

1

PD Polarity

negative Polarity

positive Polarity

Wireless Components

5 - 11

Specification, August 1999

Share Link: