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Mitsubishi |
MITSUBISHI SOUND PROCESSORS
M61506FP
Peak hold IC for 5 band spectrum analyzer displays
DESCRIPTION
The M61506FP is a 5 band peak hold ICs that use microprocessor time division to produce
serial output for spectrum analyzer displays.
FEATURES
5 band peak hold elements for spectrum analyzer displays.
Discharge time constant circuit for each band is on the chip.
Single 5V power supply.
RECOMMENDED OPERATING CONDITIONS
Supply voltage range
4.5 to 6.5V
Rated supply voltage
5.0 V
SYSTEM BLOCK DIAGRAM
Audio
signal
BBPBPBFPBFP5FP5F5F55PHPHeoPHeoaPHldeaoPHkldeoa5kledoa5klda5kld5k5
µ-com
interface
SELA
SELC
SELB
ENB
SELECTOR
MITSUBISHI
ELECTRIC
Peak
Hold
output
( 1 / 13 )
BLOCK DIAGRAM
Vcc/2 1
Vcc/2 Gen.
16 GND2
VREF 2
V REF Gen.
(VccX0.3)
SELECTOR
15 PHOUT
IREF
DIFOUT
COUT
CNF
3 I REF Gen.
HOLD
BPF IN
OUTPUT
4 2K
2K
5
Amp-
C
f1 BPF 1
Amp-
+
D f2 BPF 2
f3 BPF 3
+
P.HOLD
P.HOLD
P.HOLD
f4 BPF 4 P.HOLD
6
f5 BPF 5 P.HOLD
TEST 14 GND1
13 ENB
12 SELC
11 SELB
AOUT 7
ANF 8
<PEAK HOLD>
2K
Amp-A
+
HOLD C RESET
10 SELA
9 Vcc
(Notes)f1=105Hz,f2=340Hz,f3=1KHz,f4=3.4KHz,f5=10.5KHz
(The value is the design value)
Units Resistance :Ω
Capacitance: F
MITSUBISHI
ELECTRIC
( 2 / 13 )
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