Philips CEM2100/00 Service Manual page 417

Characteristics
RFRP section (RFRPi → RFRP)
Voltage gain 1
Voltage gain 2
Voltage gain 3
Voltage gain 4
Detection frequency 1
(Note 7)
Detection constant 1
Operating reference
voltage 1
Operating reference
voltage 2
Output upper-limit
voltage
Permissible load
resistance
RFDC section (FPi1/FPi2 (FNi1/FNi2) → RFDC)
Detection frequency 1
(Note 7)
Detection constant 1
Operating reference
voltage 1
Operating reference
voltage 2
Output upper-limit
voltage
Output lower-limit
voltage
Permissible load
resistance
Note 7: The detection frequency values are for only reference purposes.
Test
Symbol
Circuit
G
V1RP
G
V2RP
⎯
RFRPI input amp gain
G
V3RP
G
V4RP
−3dB point with reference to
low-frequency side on the assumption
⎯ that RFRPI = 1.2 Vpp for V
f
1RP
output amplitude = 0dB for a 700 kHz
sine wave input.
RFRPI = 1.2 Vpp for V
⎯ slew rate (Cin > 1 μF) for a 5 kHz
T
1RP
rectangular wave input.
V VRO reference, no input
OP1RP
⎯
VRO reference,
V
OP2RP
RFRPI = 1.2Vpp/700 kHz
⎯
V GND reference
OHRP
⎯
R
LMRP
−3dB point with reference to
low-frequency side on the assumption
⎯ that RFDCI = 1.2 Vpp for V
f
1DC
output amplitude = 0dB for a 700 kHz
sine wave input.
RFDCI = 1.2 Vpp for V
⎯ slew rate (Cin > 1 μF) for a 5 kHz
T
1DC
rectangular wave input.
VRO reference,
V FPI1/FPI2/FNI1/FNI2 open,
OP1DC
CMD: RFOOLDi = 00
⎯
VRO reference,
RFDCI = 1.2Vpp/350 kHz,
V
OP2DC
CMD: RFOOLDi = 00
V GND reference
OHDC
⎯
V GND reference
OLDC
⎯
R
LMDC
17
Test Condition
RFRPGi = 00
RFRPGi = 01
RFRPGi = 10
RFRPGi = 11
and
OP1RP
and
OP1RP
−1.15
⎯
and
OP1DC
and
OP1DC
−1.15
⎯
TC94B14MFG
Min Typ. Max Unit
⎯ ⎯
2.7
⎯ ⎯
3.8
dB
⎯ ⎯
4.8
⎯ ⎯
5.7
⎯ ⎯
50 kHz
⎯ ⎯
90 V/ms
⎯ −0.75
V
⎯
0.3 1.0
⎯
2.9 3.1 V
⎯
10 15 kΩ
⎯ ⎯
20 kHz
⎯ ⎯
14 V/ms
⎯ −0.75
V
⎯
0.2 0.55
⎯
2.7 3.0
V
⎯
0.5 0.8
⎯
20 25 kΩ
2010-01-12