NTE846 查看數據表（PDF） - NTE Electronics
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NTE846 Datasheet PDF : 3 Pages
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DC Electrical Characteristics: (All SW Normally Pos. 1, VA = 15V, VB = 12V unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
Sound Oscillator, Current Change
Chroma Oscillator Balance
Chroma Modulator Balance
R–Y Modulator Output Level
IS
∆I15
V17
V13
∆V13
Change VA from 12.5V to 17.5V
SW 3: Pos. 2,
Change SW 1 from Pos. 1 to Pos. 2
20 35 45 mA
0.3 0.6 0.9 mA
9.5 11.0 12.5 V
7.0 7.4 7.8 V
0.6 0.9 1.2 V
B–Y Modulator Output Level
∆V13
SW 3: Pos. 2,
0.6 0.9 1.2 V
Change SW 2 from Pos. 1 to Pos. 2
Chroma Modulator Conversion
Ratio
∆V13/∆V3
Divide ∆V13 by ∆V3, SW 3: Pos. 2, 0.45 0.70 0.95 V/V
Change SW 0 from Pos. 1 to Pos. 2,
Channel A Oscillator
“OFF” Voltage
V8, V9
SW 4: Pos. 2
0.5 1.5 3.0 V
Channel A Oscillator Curremt Level
Channel B Oscillator
“OFF” Voltage
I9
V6, V7
VB = 12V, VC = 13V
SW 4: Pos. 2
2.5 3.5 5.0 mA
0.5 1.5 3.0 V
Channel B Oscillator Curremt Level
I6
VB = 12V, VC = 13V
2.5 3.5 5.0 mA
Channel A Modulator Conversion ∆V11/(V13–V12) SW 1, SW 2, SW 3: Pos. 2, VB = 12V, 0.35 0.55 0.75 V/V
Ratio
Change VC from 13V to 11V for ∆V11,
Divide by V13 – V12
Channel B Modulator Conversion ∆V10/(V13–V12) All SW: Pos. 2, VB = 12V, Change VC 0.35 0.55 0.75 V/V
Ratio
from 13V to 11V, Divide as Above
AC Electrical Characteristics: (V = 15V unless otherwise specified)
Parameter
Symbol
Test Conditions
Chroma Oscillator Output Level
Sound Carrier Oscillator Level
V17
CLOAD ≤ 20pF
V15
Loaded by RC Coupling Network
Channel 3 RF Oscillator Level
V8, V9
Ch SW: Pos. 3, f = 61.25MHz,
Use FET Probe
Channel 4 RF Oscillator Level
V6, V7
Ch SW: Pos. 4, f = 67.25MHz,
Use FET Probe
Min Typ Max Unit
4
5
– VP–P
2
3
4 VP–P
200 350 – mVP–P
200 350 – mVP–P
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