Philips pm2521 - Measuring

04
1.4.3.
Analog
section (extended measurements)
39
1.4. 3.1. Frequency
measurements
39
1.4. 3. 2.
Time
measurements
40
1.4.
3. 3.
Trigger measurements
40
1.4.4. Analog section
(multifunction measurements)
41
1.4.4.1. R.M.S. convertor
41
1.
4.4.2.
Impedance
convertor
42
1.4.4.
3.
Active filter
43
1 .4.4.4. Analog-to-Digital convertor
44
1.4.5. Control section
45
1.4. 5.1. Interrupt controller
45
1.4.
5. 2.
Counter and
Input control
47
1.4.
5. 3.
Analog control
48
1.4.
5.4. ROM
circuit
and Address/Data
decoding
54
1.4.6. Display section
56
1.4.7. Power
supply
56