lc75410e Sanyo Semiconductor Corporation, lc75410e Datasheet - Page 20
lc75410e
Manufacturer Part Number
lc75410e
Description
Electronic Volume Controller For Car Audio Systems
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LC75410E.pdf
(28 pages)
- Current page: 20 of 28
- Download datasheet (235Kb)
F1/F2/F3 Band Circuit
The equivalent circuit and the formula for calculating the external RC with a mean frequency of 1 kHz are shown below.
• F1/F2/F3 band equivalent circuit block diagram
• Calculation example
Specification Mean frequency: f0 = 1 kHz
Gain during maximum boost: G
Let us use R1 = 0.027 kΩ, R2 = 38.861 kΩ and C1 = C2 = C.
1. Calculate R2 with G
2. Calculate C with the center frequency f0 = 1 kHz
3. Calculate Q:
G
R3 =
Q =
C
f =
+12 dB
0
=
2
2
(R1+R2)R3
10
f0
= 20 LOG
G/20
(R1+R2)R3C1C2
R2
(R1+R2)R3
1
1
–1
1
– R1
+12 dB
10
R3(R1+R2)
(2R3+R1)
= 12 dB:
=
1 +
+12 dB
2
2
2R3+R1
1000
R2
= 12 dB
C1
k
1
38888 6500
1.22
LC75410E, 75410W
R1
R3
R2
= 0.010 10
C2
–6
0.01 F
No. 7027-20/28
Related parts for lc75410e
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
5 to 24V 1A 5-Pin Voltage Regulators with Strobe Pin
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Unipolar fixed-current chopper-type 4-phase stepping motor driver
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
AF Power Amplifier
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Digital alarm clock
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
On-screen display controller IC
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
On-screen display controller
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Single-chip signal processor for color TV use
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Flourescent display tube driver
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
B/W TV synchronization, deflection circuit
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
On-screen display IC
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Playback/record amplifier for VHS VCR
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
Sanyo Semiconductor Corporation
Datasheet: