tca280b Hendon Semiconductors, tca280b Datasheet - Page 16

• Manufacturer Part Number: tca280b
• Description: General Purpose Triggering Circuit
• Manufacturer: Hendon Semiconductors

D.C. SUPPLY
RX2
16
13
D2
V EE
D1
D3
D4
TR1
V CC
D5
11
R1
25 kΩ
R2
5.2
kΩ
D6
TR2
R3
31
kΩ
ZERO-CROSSING DETECTOR
TR3
D8
Fig.10 Circuit diagram of the monolithic integrated trigger module TCA280B
D7
3.8 kΩ
R4
D9
PW
1
TR4
D10
ENZ
12
TR5
R5
300
Ω
10.1
R6
kΩ
TR6
R7
26
kΩ
TR7
2
RX1
QC−
IC−
6
7
TR8
DIFFERENCE AMPLIFIER
R8
10.1
kΩ
RX1
3
D11
TR9
D12
TR10
TR12
D14
D13
TR14
R9
2.4
kΩ
TR11
TR13
4
5
QC+
IC+
QS 15
IS
14
RAMP FUNCTION (SAWTOOTH)
R13
TR15
9.5
R10
2.75
kΩ
kΩ
TR16
1.9 kΩ
15 kΩ
R11
R12
TR17
GENERATOR
R14
6.8
kΩ
TR18
D15
D16
TR19
TR21
D17
TR20
D18
R15
OUTPUT AMPLIFIER
TR22
kΩ
10
TR23
TR24
D19
Fig-10-circuit
TR25
TR26
D20
10 QA
9 IA
8 INHA