MC33593

MOTOROLA SEMICONDUCTORS PRODUCTS

21

revision 7.0, 5 February 2002

© Motorola, Inc., 2002.

3

IF filter, IF Amplifier, FM to AM Converter and Envelope Detector

The IF filter operates at approximately 660kHz.

2 different bandwidths are selectable by metal option eg. 300kHz and 500kHz.

3.2

IF High Cut Off Frequency

at -3dB

IF bandwidth: 500kHz

850

940

-

kHz

3.4

IF Low Cut Off Frequency

at -3dB

IF bandwidth: 500kHz

-

460

520

kHz

3.7

IF Cut Off Low Freq. at -30dB

IF bandwidth: 500kHz

-

290

-

kHz

3.8

IF Cut Off High Freq. at -30dB

-

1260

-

kHz

3.10

IF Bandwidth at -3dB

IF bandwidth: 500kHz

-

480

580

kHz

3.12

Total filter gain variation

within -3dB Bandwidth

IF bandwidth: 500kHz

-3

-

3

dB

3.13

IF Amplifier Gain

From MIXOUT to DMDAT

-

55

-

dB

3.14

IF AGC Dynamic Range

OOK modulation

-55

-

dB

3.15

IF AGC Gain Decay Rate

-

2.5

-

dB/ms

3.16

IF Amplifier AGC Settling Time

-

75

200

µs

3.17

Detector Output

Signal Amplitude

OOK modulation, measured at DMDAT

-

260

-

3.19

Carrier Deviation

FSK modulation, IF bandwidth 500kHz

±35

-

±80

kHz

ELECTRICAL CHARACTERISTICS

the circuit in recommended in the application schematic (see figure 17), unless otherwise specified. Typical

Parameter

Test Conditions, Comments

Limits

Unit

Min.

Typ.

Max.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com