MC2800SYNEVK 查看數據表（PDF） - Motorola => Freescale

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MC2800SYNEVK

FLEX Paging RF/IF Frequency Synthesizer Receiver

Motorola => Freescale 

FreescaleMCS2e80m0SicYoNnEVdKuctor, Inc.

ELECTRICAL CHARACTERISTICS (continued)

Characteristic

Conditions

Symbol

Min

Typ

Max

LNA + SAW FILTER + MIXER

Conversion Gain [Note 2]

Input @ 282.000 MHz

GC

Output @ 21.400 MHz

–

28.2

–

Zout

Current Consumption of Mixer

CRYSTAL FILTER

Insertion Loss

@ 21.400 MHz

Vreg = 0.980 V

Terminating Impedance

= 1.5 kΩ

Zout

I

–

1620 – j51

–

–

370

–

–

1.0

–

IF RECEIVER MC2800

Input Impedance

Second Local Oscillator Frequency

Startup Time of 2nd LO

@ 21.400 MHz

EN transits from ’0’ to ’1’

Zin

fLO2

–

1090 – j140

–

–

20.95008

–

–

<1.0

–

Current Consumption

OVERALL RECEIVER PERFORMANCE

(a) Phase A Characteristics [Note 3]

RF Input Frequency

Sensitivity

6400/4 Level FSK

1600/2 Level FSK

Co–channel Rejection

VCC = 1.15 V

N – Counter = 28B8(H)

R1 = ’0’

R1 = ’1’

–

1.45

–

–

282.000

–

–

–123

–

–

–123

–

–

–5.0

–

Adjacent Channel Rejection

Low Side

High Side

–

56

–

–

59

–

Image Rejection

First IF

Second IF

Intermodulation Rejection

Low Side

High Side

6400/4 Level FSK

R1 = ’0’

–

56

–

–

51

–

–

52

–

–

52

–

Blocking

@ 1.0 MHz

@ 5.0 MHz

–

73

–

–

78

–

Total Current Consumption

Power Up

Power Down

@ VCC = 1.15 V

@ VCC = 1.15 V

–

4.3

–

–

10

–

NOTES: 1. Output of the LNA is matched to 230 Ω by inserting a 180 Ω resistor in series with its output port.

2. Output of the Mixer is matched to 1.5050 kΩ by inserting a 1500 Ω resistor in series with its output port.

3. The circuit of this test board is the same as the schematic in Figure 2.

Unit

dB

Ω

µA

dB

Ω

MHz

ms

mA

MHz

dBm

dBm

dB

dB

dB

dB

dB

mA

µA

4

For More Information On This Product, MOTOROLA RF/IF DEVICE DATA

Go to: www.freescale.com

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