Stereo Compressor/limiter/clipper for FM Broadcasting

skemanya.

rangkaian ini penting lo gaz buat brotkest gunanya untuk menyamakan volume audio untuk di lepas ke udara.

NI LO GAZ SKEMANYA

ni yang sisi L nya

dan yang ini yang sisi R nya

Part list:

Left channel:

R1, R3 - 10k
R2 - 1k
R4, R5 - 1M
R6 - 18k
R7, R8, R15-R17, R19 - 33k
R9 - 1M5
R10, R12, R14, R18 - 470R
R11 - 270R
R20, R23, R25 - trimmer 5k
R21 - trimmer 5M
R22 - trimmer 1k
R24 - trimmer 500R

C1 - 4n7 (EU) or 6n8 (USA), plastic
C2 - 470n plastic
C3 - 4n7 plastic
C4 - 330n plastic
C5, C7, C8, C12 - 10n ceramic
C6 - 22n ceramic
C9 - 330p ceramic
C10 - 470p ceramic
C11 - 82p ceramic
C13 - 10u/25V tantalum
C14 - 470u/25V electrolytic
C15, C16 - 220u/10V electrolytic

U1 - TLC272
Q1 - BC557B
Q2 - BF245C
D1, D2 - Red!!! LED diode 5 mm, medium luminance (eg. 200 mcd)
J2 - jumper
Right channel:

R1, R3 - 10k
R2 - 1k
R4, R5 - 1M
R6 - 18k
R8, R15-R17, R19 - 33k
R9 - 1M5
R10, R12, R14, R18 - 470R
R11 - 270R
R20, R23, R25 - trimmer 5k
R22 - trimmer 1k
R24 - trimmer 500R

C1 - 4n7 (EU) or 6n8 (USA), plastic
C2 - 470n plastic
C3 - 4n7 plastic
C4 - 330n plastic
C6 - 22n ceramic
C7, C8, C12 - 10n ceramic
C9 - 330p ceramic
C10 - 470p ceramic
C11 - 82p ceramic
C14 - 470u/25V electrolytic
C15, C16 - 220u/10V electrolytic

U1 - TLC272
U2 - 78L05
Q1 - BC557B
Q2 - BF245C
D1, D2 - Red!!! LED diode 5 mm, medium luminance (eg. 200 mcd)
J2 - jumper
Layout PCB:

Tata letak komponen:

Spesifikasi:
#  tegangan: 9-12V / 30ma
# Output tegangan: linear adjustable 0-3.5 V p-p (0-1.2 V rms)
# Lower cut-off frequency (3 dB): input: 25 Hz, output: <2>
# Upper cut-off frequency (3 dB): 14.5 kHz
# Min. input voltage: 0.6 V p-p (0.2 V rms)
# Input impedance: 5000 ohm
# Output impedance: 500 ohm
# Signal-to-noise ratio: >70 dB

SELAMAT MENCOBA