MC1374P Motorola, MC1374P Datasheet

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MC1374P

Manufacturer Part Number
MC1374P
Description
TV MODULATOR CIRCUIT
Manufacturer
Motorola
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC1374P
Manufacturer:
MOT
Quantity:
5 510
Part Number:
MC1374P
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
TV Modulator Circuit
oscillator, and RF dual input modulator. It is designed to generate a TV signal
from audio and video inputs. The MC1374’s wide dynamic range and low
distortion audio make it particularly well suited for applications such as video
tape recorders, video disc players, TV games and subscription decoders.
0.001
MOTOROLA ANALOG IC DEVICE DATA
The MC1374 includes an FM audio modulator, sound carrier oscillator, RF
Single Supply, 5.0 V to 12 V
Channel 3 or 4 Operation
Variable Gain RF Modulator
Wide Dynamic Range
Low Intermodulation Distortion
Positive or Negative Sync
Low Audio Distortion
Few External Components
6.8k
3.3k
R4
R5
C1
+
C4
50
+
L1 – 4 Turns #22, 1/4 Dia.
L2 – 40 Turns, #36, 3/16 Dia.
R1
470
120
C3
L1
470
470
R3
R2
0.001
L2
2.2k
Channel 3
C8
R6
5–25
C2
56
C7
+
0.001
C5
0.01
C14
S1
R10
10k
4
D1
MPN3404
+
7
6
5
4
3
2
1
MC1374
Figure 1. Simplified Application
U1
0.001
C9
Shaded Parts Optional
8
9
10
11
12
13
14
+V CC = 12V
C16
C11
75
R8
2.2k
22
47
R7
0.22 H
L3
MC1374P
Motorola, Inc. 1996
C12
R14
56k
180k
R12
R13
Device
30k
47
TV MODULATOR CIRCUIT
3
4
+
V
ORDERING INFORMATION
10 F
0.22 H
+
C10
L4
SEMICONDUCTOR
Temperature Range
MC1374
TECHNICAL DATA
14
1N914
PLASTIC PACKAGE
C13
Order this document by MC1374/D
D2
T A = 0 to +70 C
22
+
1
1 F
Operating
C6
CASE 646
P SUFFIX
0.001
C15
R9
560
R11
220
Output
Video In
Audio In
Plastic DIP
Package
V Pin 11
V Pin 1
Rev 0
t
1

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MC1374P Summary of contents

Page 1

... 470 + + C14 0. 120 L2 R4 6.8k C5 0.001 R6 R5 2.2k 3.3k L1 – 4 Turns #22, 1/4 Dia. L2 – 40 Turns, #36, 3/16 Dia. MOTOROLA ANALOG IC DEVICE DATA Device MC1374P Figure 1. Simplified Application + 12V + C9 0.001 0. C11 C12 MC1374 R14 C16 3 12 ...

Page 2

... Min 14 – – – – – – – – – – – – – – MOTOROLA ANALOG IC DEVICE DATA Typ Max Unit – mA 1.0 1 170 – – dB – 2 1.5 2.0 Degrees –57 – ...

Page 3

... The FM system was designed specifically for the TV intercarrier function. For circuit economy, one phase shift circuit was built into the ship. Still, it will operate from 1.4 MHz to 14 MHz, low enough to be used in a cordless telephone MOTOROLA ANALOG IC DEVICE DATA MC1374 Figure 2. TV Modulator Sound Carrier ...

Page 4

... R L – Differential Input –V 1 (V) Figure 4. AM Test Circuit 0 Video Input 1. MOTOROLA ANALOG IC DEVICE DATA 470 0.001 470 R3 R1 470 ...

Page 5

... – 61.25 MHz –60 –70 5.0 6.0 7.0 8.0 9 SUPPLY VOLTAGE (V) MOTOROLA ANALOG IC DEVICE DATA MC1374 0 Initial Video = 1.0 Vdc –10 Chroma (3.58 MHz) = 300 mVpp Sound (4.5 MHz 250 mVpp –20 Gain Resistor 1.0 k –30 –40 –50 –60 –70 – ...

Page 6

... L2 Intercarrier 10 H Sound Output 3 (Use FET Probe 120pF 0.001 1 F Optional Bias R Figure 12. Modulator Sensitivity 2.0 1.8 1 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.4 2.0 3.0 f osc , OSCILLATOR FREQUENCY [MHz] MOTOROLA ANALOG IC DEVICE DATA R12 Audio Input R13 (See Text) 4.0 5.0 6.0 7.0 8.0 9 ...

Page 7

... DC INPUT VOLTAGE, PIN 14 (V) Figure 17. Modulator Transfer Function 11 11.4 (10.7 MHz) 11.2 11.0 10.8 10.6 10.4 10.2 10.0 9.8 9.6 0 1.0 2.0 3.0 4.0 DC INPUT VOLTAGE, PIN 14 (V) MOTOROLA ANALOG IC DEVICE DATA MC1374 Figure 14. Distortion versus Modulation Depth 5 4 4.5 MHz 5.0 V, 9.0 V 3.0 Self Bias (2.9–3.0 V) 2.0 1.0 0 5.0 6.0 7.0 0 Figure 16. FM System Frequency 4. ...

Page 8

... C1 R2 470 0.001 R3 470 61.252 C2 MHz 56pF Ra 180 L1 0. MC1374 0 –10 –20 –30 –40 Ch. 4 Ch. 4 –50 Pix S –60 – FREQUENCY (MHz 210 2100 21k f, FREQUENCY (MHz (2100 Hz) MOTOROLA ANALOG IC DEVICE DATA ...

Page 9

... SEATING PLANE MOTOROLA ANALOG IC DEVICE DATA MC1374 OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 646–06 ISSUE NOTES: 1. LEADS WITHIN 0.13 (0.005) RADIUS OF TRUE POSITION AT SEATING PLANE AT MAXIMUM MATERIAL CONDITION. 2. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL ...

Page 10

... Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...

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