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MC1496D Datasheet(PDF) 10 Page - ON Semiconductor

Part No. MC1496D
Description  BALANCED MODULATORS/DEMODULATORS
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC1496D Datasheet(HTML) 10 Page - ON Semiconductor

 
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MC1496, MC1496B
http://onsemi.com
10
be introduced with or without modulation, provided its level
is sufficiently high to saturate the upper quad differential
amplifier. If the carrier signal is modulated, a 300 mVrms
input level is recommended.
Doubly Balanced Mixer
The MC1496 may be used as a doubly balanced mixer
with either broadband or tuned narrow band input and output
networks.
The local oscillator signal is introduced at the carrier input
port with a recommended amplitude of 100 mVrms.
Figure 29 shows a mixer with a broadband input and a
tuned output.
Frequency Doubler
The MC1496 will operate as a frequency doubler by
introducing the same frequency at both input ports.
Figures 30 and 31 show a broadband frequency doubler
and a tuned output very high frequency (VHF) doubler,
respectively.
Phase Detection and FM Detection
The MC1496 will function as a phase detector. High−level
input signals are introduced at both inputs. When both inputs
are at the same frequency the MC1496 will deliver an output
which is a function of the phase difference between the two
input signals.
An FM detector may be constructed by using the phase
detector principle. A tuned circuit is added at one of the
inputs to cause the two input signals to vary in phase as a
function of frequency. The MC1496 will then provide an
output which is a function of the input signal frequency.
VS
DSB
MC1496
VCC
12 Vd
R1
+
Carrier Input
60 mVrms
Carrier
Input
1.0 k
1.0 k
Carrier Null
Carrier Adjust
1.0 k
Re 1.0 k
2
RL
3.9 k
3
RL
3.9
+
12
6
6.8 k
I5
VEE
−8.0 Vdc
10 k
10 k
51
51
Modulating
Signal
Input
VC
14
5
0.1
mF
0.1
mF
50 k
+
MC1496
Output
0.1
mF
0.1
mF
0.1
mF
VCC
12 Vdc
10 k
100
100
10 k
3.0 k
3.0 k
1.0 k
1.3 k
820
50 k
10 k
10
mF
15 V
Signal Input
300 mVrms
Modulating
Carrier
Null
+
25
mF
15 V
51
25
mF
15 V
2
3
14
5
Modulating
Signal
Input
VS
VC
1.0
mF
Carrier
Input
50 k
750
51
51
750
VEE
−8.0 Vdc
15
6.8 k
RL
3.9 k
Re 1.0 k
23
14
5
0.1
mF
−Vo
+Vo
VCC
12 Vdc
51
51
1.0 k
1.0 k
MC1496
2
3
14
5
MC1496
1.3 k
820
1.0 k
Carrier Input
300 mVrms
SSB Input
51
100
3.0 k
3.0 k
0.005
mF
10 k
0.1
mF
1.0 k
0.1
mF
0.1
mF
0.1
mF
0.1
mF
VCC
12 Vdc
AF
Outp
RLq 10
0.005
mF
TYPICAL APPLICATIONS
1.0 k
8
4
1
10
12
6
12
6
12
6
RL
3.9 k
8
4
1
10
8
4
1
10
8
4
1
10
Figure 25. Balanced Modulator
(12 Vdc Single Supply)
Figure 26. Balanced Modulator−Demodulator
Figure 27. AM Modulator Circuit
Figure 28. Product Detector
(12 Vdc Single Supply)
1.0 k
0.005
mF


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