NTE NTE1611 Datasheet
NTE1611
Integrated Circuit
Video and FM Sound Modulator/Carrier
Oscillator for VCR
Features:
D Video Clamp
D White Clip
D Main Carrier Oscillator
D Main Carrier Attenuator
D Video Modulator
D Sound Modulator
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V
Power Dissipation (TA = +70°C), P
Input Signal Level, e
Input Level at Pin7, V
Operating Temperature Range, T
Storage Temperature Range, T
CC
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IN
IN
opr
stg
D Sound FM Modulator
D Channel Switch
D Low Power Operation
D Adjustable Output Power Level and V/A Ratio
with External Resistance
D Minimum Number of External Parts Required
12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
480mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5V
P–P
GND to VCC+0.3V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–10° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 6.2V unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Voltage V
Supply Current I
Video RF Output Level
Video RF Output Level Temperature
Drift
Video Modulation Factor m
Video Modulation Factor Temperature
Drift
υo (fp1)
υo (fp2)
∆υo (fp1) υo (fp1) (TA = –10° to +70°C) –
∆υo (fp2) υo (fp2) (TA = –10° to +70°C) –
m
∆m
∆m
CC
CC
S1 = 2, S2 = 1, S3 = 2 16.5 21.5 28.0 mA
S2 = 1, S3 = 2, υi1 = open,
υo1 = measure
υo (fp1) (TA = +25°C)
υo (fp2) (TA = +25°C)
S2 = 1, S3 = 2, υi1 = 1V
p1
p2
mp1 (TA = –10° to +70°C) –
p1
mp1 (TA = +25°C)
mp2 (TA = –10° to +70°C) –
p2
mp2 (TA = +25°C)
S1 = 2 85 87 89 dBµ
S1 = 1 85 87 89 dBµ
P–PS1
= 2 73 76 79 %
S1 = 1 73 76 79 %
5.7 6.2 6.7 V
– ±2 ±3 dB
– ±2 ±3 dB
– – ±3 %
– – ±3 %
Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 6.2V unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Video Modulation Factor Difference ∆m
Maximum Video Modulation Factor mp2max S1 = 1, S2 = 1, S3 = 2, υi1 = 2V
p
mp1 – m
p2
P–P
– – ±3 %
,
92 96 – %
WHITE
Maximum Video Modulation Temperature
∆mp2max TA = –10° to +70°C, mp2max 90 96 – %
Drift
Differential Gain DG
DG
Differential Phase DP
DP
Video Section Harmonic Distortion υ
S2 = 1, S3 = 2, υi1 = 1V
1
STAIRCASE
2
S2 = 1, S3 = 2, υi1 = 1V
1
STAIRCASE
2
υ
S1 = 1, S2 = 1, S3 = 2, υi1 = 1V
H
S1 = 2 – 2 5 %
,
P–P
S1 = 1 – 2 5 %
S1 = 2 – 2 5 deg
,
P–P
S1 =1 – 2 5 deg
,
P–P
– – –40 dB
1MHz CW
Sound RF Output Level υo (fS1)
υo (fS2)
Sound FM Temperature Drift ∆f
S
S2 = 1, S3 = 2,
υo = Measure
S1 = 1, S2 = 2, S3 = 2,
S1 = 2 81 83 85 dBµ
S1 = 1 81 83 85 dBµ
– – ±10 kHz
TA = 0° to +60°C,
(fS = 4.5MHz, TA = +25°C)
Sound FM Modulation Sensitivity β
S1 = 1, S2 = 2, S3 = 1 0.35 0.45 0.55 kHz/
S
mV
Sound Total Harmonic Distortion THD S1 = 1, S2 = 2, S3 = 3, υi2 = 1kHz – 0.3 1.0 %
GND
Audio FM Output
Carrier Balance
4.5MHZ OSC
4.5MHZ OSC
V
CC
Pin Connection Diagram
1
2
3
4
5
6Audio Input
7Channel Switch
16
Video Input
15
Video Mod Output
14
GND
13
RF Bypass
12 OSC Feedback
11 OSC Output
10 X’tal “Low” Channel
8 9 X’tal “High” Channel
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