fx469 Consumer Microcircuits Limited, fx469 Datasheet - Page 8

• Manufacturer Part Number: fx469
• Description: 1200/2400/4800 Baud Ffsk Modem
• Manufacturer: Consumer Microcircuits Limited

Application Information
Package Outlines
The FX469 is available in the package styles outlined
below. Mechanical package diagrams and specifications
are detailed in Section 10 of this document.
Pin 1 identification marking is shown on the relevant
diagram and pins on all package styles number
anti-clockwise when viewed from the top.
FX469DW
FX469DW
FX469DW 20-pin plastic S.O.I.C.
FX469DW
FX469DW
Fig.7 Rx Bit-Error-Rate vs Signal-to-Noise Ratio
NOT TO SCALE
2 x 10
10
10
10
10
-2
-2
-3
-4
-5
8
6
4
2
0
1
Max. Body Length
Max. Body Width
IDEAL COHERENT FFSK
2
3
4
12.95mm
7.59mm
5
(D3)
6
7
FX469
8
Handling Precautions
The FX469 is a CMOS LSI circuit which includes input
protection. However precautions should be taken to
prevent static discharges which may cause damage.
FX469J
FX469J
FX469J
FX469J
FX469J
8
NOT TO SCALE
SNR (dB) BIT RATE BANDWIDTH
9
10
22-pin cerdip DIL
11
12
Max. Body Length
Max. Body Width
13
14
(lin scale)
15
16
27.38mm
9.75mm
( J 3 )