ML3356
Wideband FSK Receiver
Legacy Device:
Motorola MC3356
The ML3356 includes Oscillator, Mixer, Limiting IF Amplifier,
Quadrature Detector, Audio Buffer, Squelch, Meter Drive, Squelch
Status output, and Data Shaper comparator. The ML3356 is designed
for use in digital data communciations equipment.
• Data Rates up to 500 kilobaud
• Excellent Sensitivity: – 3 dB Limiting Sensitivity
30 µVrms @ 100 MHz
• Highly Versatile, Full Function Device, yet Few External Parts
are Required
• Down Converter Can be Used Independently — Similar to NE602
• Operating Temperature Range TA = –40° to +85°C
SO 20W = -6P
PLASTIC PACKAGE
CASE 751D
(SO–20L)
PACKAGE
P DIP 20
SO 20W
MOTOROLA
MC3356P
MC3356DW
LANSDALE
ML3356RP
ML3356-6P
P DIP 20 = RP
PLASTIC PACKAGE
CASE 738
Note:
Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from
ML
to
MLE.
Figure 1. Representative Block Diagram
RF
VCC
RF
Ground
1
2
3
4
5
Ceramic
Filter
6
7
8
9
10
Quadrature Detector
Tank
20
19
18
Mixer
Data Shaping
Comparator
+
–
17
16
Squelch
Status
Hysteresis
RF
Input
Ground
PIN CONNECTIONS
RF Ground 1
OSC Emitter 2
Data
Output
VCC
OSC Collector 3
RF VCC 4
Mixer Output 5
IF VCC 6
Limiter Input 7
Limiter Bias 8
13
12
11
Squelch
Adjust
(Meter)
Limiter Bias 9
Quad Bias 10
20 RF Input
19 Ground
18 Data Output
17 + Comparator
16 – Comparator
15 Squelch Status
14 Squelch Control
13 Buffered Output
12 Demodulator
Filter
11 Quad Input
OSC
Comparator –
+
Meter Current
Limiter
15
14
Buffer
VCC
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