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acnet32.arj
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CIRCUITS.TXT
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1994-01-02
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17KB
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320 lines
ACNET CIRCUITS
--------------
3 4 5
Input O------||------+------||------+-------O Output
50uF | 50uF |
* |
* 2.5 mH |
* |
HPFILTER | *
======== 1 + * 8 Ohms
| *
* |
* 0.2 Ohm |
* |
2 | | 2
O--------------+--------------+-------O Common
9 10 Ohm 5
+--------+--------------------+---------+---****-----O
| | | | HT
| | | --- 1000uF
| | * ---
| * * 10k |
| * 130k * --+-- Common
FB_AMP_2 * * | 5
======== * 330k | 20pF 8 | 7
* | +--||--+-------+--------||------+-----O
| | | | | .068uF | O/P
| | | | |--+ |
| 4 +-----+-----------| TR2 |
| | | |->+ |
1 | 2 |--+ | | |
O---||---+-----| TR1 | | |
I/P .15uF | |->+ | | 6 *
| | 32k | +---+ * 47k
| 3 +----****----+ | | *
| | | | | |
* +-----||-----+ * | |
* 22k | 270pF 2k * --- 100uF |
* * * --- |
| * 1k | | |
| * | | |
| | | | |
O--------+--------+--------------------+---+------------+-----O
5 Common
MUTUAL
k=0.04
5 100k 4 2
O----****----+----------+ +----------+----------+------O
I/P | | | | | O/P
| * ||| * | |
| .02mH * ||| * .02mH | |
DUBTUNE | * ||| * | *
======= --- | | --- * 30k
--- | | --- *
316.63p | * * | 316.63p |
| 2R * * 2R | |
| * * | |
| | | | |
O-----------+----------+-----+----------+----------+------O
3 Common
110
+------------***-------------+
| |
| |
I/P 110 | 100p 3 |\ |
O-----***----+----||---+---------|+\ |
1 | 2 | | \ 5 | O/P
| | | >----+------O
| | 4 | / |
| | +---|-/ |
| | | |/ |
| * | |
100p --- 220 * | 5p |
--- * +-----||-----+
| | | |
| | +----****----+
BANDPASS | | | 511
======== | | *
| | * 261
| | *
| 6 | |
O-----------+---------+-----+-------------------O
Common
6 +-------------+
4 | |
1 +------------+ | |\ |
O---+-----+ | | +----|-\ |
I/P | | | |\ | | \ | 600 7
| * +---|-\ | | >----+---***---O
| 10k * | \ | 5 | / O/P
| * | >----+---||----+----+----|+/
* | | / .033uF | | |/
600 * 2 +---------|+/ | *
* | |/ * * 820k
| * 10k * *
| 1k * * |
| * | --+-- Common
| | | 3
O---+-----+--- Common |
3 +-----+ 8
| |
.01uF --- |
--- |
| |
+-------------------------+ 9 |
| | | |\
| * +-----|+\
| 3.3k * | \
| * | >----+
| /| | 10 | / |
| /-|----------------+-----------|-/ |
| / | | |/ |
+----< | --- |
\ | --- .01uF |
\+|-----+ | |
\| | 11 +--------------------+
| |
| *
| 10k *
GYRATOR | *
======= | |
+----------+ 12
|
*
10k *
*
|
3 --+-- Common
1 2.8144773uF 2
O--------+--------||---------+----------O
I/P | | O/P
| |
+-----*********-----+
100.0mH |
NOTCH300 |
======== *
* 2000 Ohm
*
|
|
O----------------------------+----------O
Common 3
1 6k8 2
O----***---+-------+--------+--------+---------O
I/P | | | | O/P
* * * |
* 3k * 1k * 300 |
* * * |
| | | |
3 + 4 + 5 + ---
WHITE_PK | | | --- 33nF
======== --- --- --- |
--- --- --- |
| 1uF | .27uF | 94nF |
| | | | 6
O----------+-------+--------+--------+---------O
Common
2 3 4 5 6 47 48 49 50
O---***--+--***--+--***--+--***--+- - - - - - -+--***--+--***--+--***--+---O
I/P L/2 | L | L | L=2uH | | L | L | L/2 | O/P
| | | | | | | |
| | | | | | | *
--- C --- C --- C --- C=200pF --- C --- C --- C * 100
--- --- --- --- --- --- --- * Ohm
| | | | | | | |
| | | | n=47 | | | |
| | | | | | | |
O--------+-------+-------+-------+-------------+-------+-------+-------+---O
1 Common
LINE Zo = SQRT(L/C) Ohms Delay = n*SQRT(L*C) secs
====
2 10
+-------+-------+------------------+------+------+-------+-***--O
| | | | | | | 22V
| | | BC109 & 212 | * | ---
| * | ----------- | * 22k | --- 470u
* * 6.2k | | * | |
1M * * | * | | -+- 1
* | | 1M * 21 +----------+
| | | * | | |
| 4.7p | 5 |-<+ | * | ---
4 +--||---+----| TR2 | * 62k | --- 330u
| | |--+ | * | |
| | | | 2.2p | |--+ |
4.7k | |--+ | 18 +--||--+---| | TR4
24 +--***--+----| TR1 | | | |->+ |
| | |->+ | | | | | 3.3u O/P
--- | | | .47u | |--+19 +---+---||---+--O
--- | | | +--||---+---| 22 | | 23
|.068u | +-------+ 6 | | |->+ * |
I/P | | | | | | | * 1k |
O--+ * | | | | TR3 | 20 * *
3 | * 1M | | | * +---+ | *10k
| * * * | 120k * | | +----+ *
* | * 180 * 7.5k | * * |3.3u | | |
* 100k | * * | | 20k * --- * | |
* | | | | | * --- *220 | |
| | | | | | | | * | |
| | | | | | | | | | |
O--+-------+---------------+------------------+------+---+------+--------+--O
1 Common | | |
| | |
7 +---+ | TREBLE |
| | ~~~~~~ |
| 4300p 2k | 25k pot 2k 4300p |
| +---||---+--***--+--***^***--+--***--+---||---+ |
10u --- | 9 10 | | 12 13 | |
--- | | |11 | |
| | +----+---------||-----------+ |
| | | 75p | |
| | * | |
8 +----+ * 12k +--+ 14
| * |
| .03u | .03u |
| +-----||-----+-----||-----+ |
| | |16 | |
| | 15 | 17 | |
+---***---+--------****^****--------+---***---+
12k 100k pot 12k
BASS
~~~~
BAX_3
=====
20k pot
10 +-----****^****------------------------+ 20
| | 1..9 |
| --- |
| Cb --- | No Ca Cb
| | 470 21..29 | -- -- --
| 11..19 +---****----------------+ | 1 0.152u 8.590u
| | | | 2 0.061u 3.440u
| --- | | 3 0.024u 1.380u
| --- Ca | | 4 9750p 0.550u
| | |\ | | 5 3900p 0.220u
| 31..39 +--------------|+\ | | 6 1560p 0.088u
| | | \ | | 7 624p 0.035u
| * | >----+ | 8 250p 0.014u
| * 62k | / | | 9 100p 5600p
| * +---|-/ | |
| | | |/ | | Q = 1.7
| 41 -+- | | | Variation 12dB
| Common +------------+ |
| |
| |
+-- - - - - --+ 3.3k
| *** EIGHT STAGES *** | +----****----+
+-- - - - - --+ | |
| | | |\ |
I/P | +------+---|-\ |
O---****---+ | \ | O/P
30 3.3k | | >----+----O
| | / 40
+-------------------------------------------------|+/
|/
GRAPH_EQ
========
Refs. (i) Audio/Radio Handbook - National Semiconductor 1980 p 2-61
(ii) Maplin Electronics Magazine No 71 Nov 1993 p 61
(iii) Multisection Tone equalizer - Wireless World June/July 1980
CIRCUITS.TXT 29/12/93
