MC2800EVK Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

MC2800EVK

FLEX Paging RF/IF Receiver Board

Motorola => Freescale 

Freescale MSCe2m80ic0EoVnKductor, Inc.

RECOMMENDED OPERATING CONDITIONS

Characteristic

Operating Voltage

RF Input Frequency

FLEX Decoder Interface Voltage

Symbol

Min

Typ

VCC

1.1

–

284.135

–

VDD–E

3.0

–

Max

1.7

284.145

3.3

Unit

V

MHz

V

ELECTRICAL CHARACTERISTICS (VCC = 1.1 V, VDD–E = 3.3 V, Vreg = 0.960, fRF = 284.140 MHz, unless otherwise

noted.)

Characteristic

Conditions

Symbol

Min

Typ

Max

LOW NOISE AMPLIFIER

Power Gain [Note 1]

Input Return Loss [Note 1]

Output Impedance [Note 1]

Noise Figure [Note 1]

@ 284.140 MHz

GP

S11

Zout

NF

–

20.6

–

–

–4.2

–

–

173 +j75

–

–

2.45

–

Current Consumption

SAW FILTER

Insertion Loss

Vreg = 0.960 V

I

Terminating Impedance

= 230 Ω

–

890

–

–

1.0

–

FIRST LOCAL OSCILLATOR

Crystal Frequency

Desired Output Frequency

Desired Output Power

3rd Harmonic Output Power

5th Harmonic Output Power

4th Harmonic

Referenced to 4th Harmonic

fC

fLO1

PLO

H3

H5

–

65.681250

–

–

262.74194

–

–

–23.9

–

–

–13.5

–

–

–11.3

–

Startup Time

EN transits from ’0’ to ’1’

–

<4.5

–

Current Consumption

LNA + SAW FILTER + MIXER

Conversion Gain [Note 2]

Noise Figure [Note 2]

Vreg = 0.960 V

I

Input @ 284.140 MHz

GC

Output @ 21.400 MHz

NF

–

560

–

–

32.4

–

–

2.69

–

Output Impedance

Current Consumption of Mixer

CRYSTAL FILTER

Insertion Loss

@ 21.400 MHz

Vreg = 0.960 V

Terminating Impedance

= 1.5 kΩ

Zout

I

–

1.13 – j1.16

–

–

330

–

–

0.9

–

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

–

770 – j550

–

–

20.94506

–

–

<1.0

–

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

dB

Ω

dB

µA

dB

MHz

MHz

dBm

dBc

dBc

ms

µA

dB

dB

kΩ

µA

dB

Ω

MHz

ms

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

3

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