CR6928A Просмотр технического описания (PDF) - Philips Electronics
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CR6928A Datasheet PDF : 8 Pages
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Philips Semiconductors
Triple video driver hybrid amplifier
Product specification
CR6928A
handbook, full pagewidth
VS
C3
C4
+ supply
C1
C2
1, 5, 9
input
1 − 6V
BUFFER
− supply
R1
R2
R level
2, 6, 10
4, 8,12
CR6928A
3, 7, 11
R bias
output
CL
− supply
MDA869
Rlevel and Rbias are intended to achieve the required output level and to optimize the frequency smearing performance.
Rlevel has to be adjusted to the required output level (approximately 2 kΩ at VS = − 12 V).
Rbias has to be tuned for the best high frequency smearing performance (200 MHz burst).
Fig.4 Application test-circuit.
handbook, full pagewidth
input
10 nF
100 V
10 nF
100 V
680 pF
100 V 150 kΩ
4.3 kΩ
240 Ω 40 Ω
120 pF
11.1 kΩ
47 Ω
25 Ω
supply
10 nF
100 V
10 Ω
10 Ω
output
Supply voltages are internally connected.
40 Ω
220 pF
MDA870
Fig.5 Internal circuit, single amplifier.
1998 Jul 03
5
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