Philips TDA6800, TDA6800T manual - page 4

March 1986 4
Philips Semiconductors Product specification
Video modulator circuit TDA6800
TDA6800T
CHARACTERISTICS
VP=5V; T
amb =25°C; measured in Fig.1; unless otherwise specified
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) = 2,27V (including modulation)
measured with respect to the picture carrier, at f =600 MHz.
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Supply voltage range V5-4 4,5 −5,5 V
Supply current consumption I5−913 mA
Video input voltage V8(p-p) −1−V
Input impedance R830 −− kΩ
Voltage (d.c.) at video
input (clamp voltage) V8−1,4 −V
Voltage (d.c.) at
sound input V1−2,5 −V
Output voltage f =50 MHz; RL=75ΩV
6-7 −13 −mV
Output voltage f =600 MHz; RL=75ΩV
6-7 −10 −mV
Differential gain ∆G−−10 %
Differential phase ∆φ−−10 deg.
Intermodulation
(1,1 MHz) (note 1) −−80 −60 dB
Frequency shift
Vb= 5%, f= 600 MHz ∆f−−100 kHz
Frequency shift
Vb= 5%, f= 800 MHz ∆f−tbf −kHz
Frequency drift
25 to 40 °C∆f−−100 kHz
Frequency drift
15 to 55 °C∆f−−300 kHz
Positive modulation
(see Fig.3)
Residual carrier voltage Vr−−2,5 %
Cross modulation (note 2) α−0,1 0,25 %