1998 Feb 12 5
Philips Semiconductors Product specification
Triple video driver hybrid amplifier CR6927
Components used in test circuit (see Fig.7)
Test equipment(see Fig.7)
DESIGNATION DESCRIPTION VALUE
C1 variable capacitor 10to 160 pF (typ. 68 pF)
C2 variable capacitor 10to 160 pF (typ. 100 pF)
C3 chip capacitor plus electrolytic capacitor 10 nF plus 4.7 µF; 160 V
R1 resistor 270 Ω
R2 resistor 62 Ω
R3 resistor 50 Ω
EQUIPMENT TYPE DESCRIPTION
Pulse generator Le Croy; Model 9210 with unit 9212
Philips; Model PM5785B (125 MHz) with internal DC offset
Power supply Philips; Model PE1541, 80 V
FET probe Philips; Model PM8943, attenuation 100 : 1
Sampling oscilloscope Tektronix; Model11803, sampling head SD24
Fig.7 Application test circuit and block diagram.
Speed-up circuit (R1, C1; R2, C2) ensures flat gain over the whole frequency range.
handbook, full pagewidth
CR6927
C2
R2
input 2
1
4
3
output
CL
C1
R1
R3
MBK283
PULSE
GENERATOR
TEST
FIXTURE
CR6927
POWER
SUPPLY
FET
PROBE SAMPLING
OSCILLOSCOPE
C3
VS