TDA6800 데이터 시트보기 (PDF) - Philips Electronics
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TDA6800 Datasheet PDF : 10 Pages
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Philips Semiconductors
Video modulator circuit
Product specification
TDA6800
TDA6800T
CHARACTERISTICS
VP = 5 V; Tamb = 25 °C; measured in Fig.1; unless otherwise specified
PARAMETER
SYMBOL
MIN.
Supply voltage range
Supply current consumption
Video input voltage
Input impedance
Voltage (d.c.) at video
V5-4
4,5
I5
−
V8(p-p)
−
R8
30
input (clamp voltage)
Voltage (d.c.) at
V8
−
sound input
V1
−
Output voltage f = 50 MHz; RL = 75 Ω
V6-7
−
Output voltage f = 600 MHz; RL = 75 Ω
V6-7
−
Differential gain
∆G
−
Differential phase
∆φ
−
Intermodulation
(1,1 MHz) (note 1)
−
Frequency shift
Vb = 5%, f = 600 MHz
Frequency shift
∆f
−
Vb = 5%, f = 800 MHz
Frequency drift
∆f
−
25 to 40 °C
Frequency drift
∆f
−
15 to 55 °C
∆f
−
Positive modulation
(see Fig.3)
Residual carrier voltage
Cross modulation (note 2)
Vr
−
α
−
Notes
1. Input signal: d.c. 0,45 V (V8-4 = 1,85 V)
4,4 MHz; input voltage (p-p) = 0,6 V
5,5 MHz; input voltage (p-p) = 1,26 V
measured with respect to picture carrier, at f = 600 MHz.
2. Input signal: d.c. 1 V (V8-4 = 3,5 V)
5,5 MHz AM modulated, fm = 100 kHz
m = 0,8; input voltage (p-p) = 2,27 V (including modulation)
measured with respect to the picture carrier, at f = 600 MHz.
TYP.
−
9
1
−
MAX.
5,5
13
−
−
1,4
−
2,5
−
13
−
10
−
−
10
−
10
−80
−60
−
100
tbf
−
−
100
−
300
−
2,5
0,1
0,25
UNIT
V
mA
V
kΩ
V
V
mV
mV
%
deg.
dB
kHz
kHz
kHz
kHz
%
%
March 1986
4
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