The Museum of HP Calculators

Chebyshev Active LP Filter Design #2 for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the HP-67 Filters Solution Book. This program was entered and uploaded by Tony Duell.

This program is supplied without representation or warranty of any kind. Tony Duell, Hewlett Packard and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.

Documentation Information (CD or source code)
How to get this Program to your Calculator (via HP-IL, disk, wand, and fingers)
Download Binary (.raw) program for disk or PC HP-IL Card download
Download Hexadecimal (.dat) program for Serial Port download

Program Listing

LINE  KEYS
 01 LBL "ACTFL2"
 02 LBL 10
 03 LBL A
 04 FS?C 02
 05 7P<>S
 06 RCL 07
 07 RCL 08
 08 7P<>S
 09 SF 02
 10 STO 00
 11 X^2
 12 X<>Y
 13 X^2
 14 +
 15 STO 01
 16 2
 17 ST* 00
 18 RCL 22
 19 RCL 01
 20 *
 21 1/X
 22 STO 02
 23 RCL 22
 24 RCL 00
 25 +
 26 *
 27 STO 03
 28 RCL 22
 29 RCL 00
 30 *
 31 RCL 01
 32 +
 33 RCL 02
 34 *
 35 STO 04
 36 RCL 02
 37 4
 38 *
 39 RCL 04
 40 RCL 03
 41 *
 42 2
 43 *
 44 -
 45 STO 05
 46 RCL 02
 47 4
 48 *
 49 RCL 04
 50 *
 51 RCL 03
 52 X^2
 53 3
 54 *
 55 +
 56 RCL 05
 57 /
 58 STO 06
 59 12
 60 RCL 02
 61 X^2
 62 *
 63 RCL 05
 64 /
 65 STO 08
 66 CHS
 67 RCL 03
 68 *
 69 RCL 02
 70 /
 71 STO 07
 72 RCL 07
 73 3
 74 *
 75 RCL 06
 76 X^2
 77 -
 78 9
 79 /
 80 STO 00
 81 RCL 06
 82 X^2
 83 2
 84 *
 85 RCL 07
 86 9
 87 *
 88 -
 89 RCL 06
 90 *
 91 27
 92 /
 93 RCL 08
 94 +
 95 2
 96 /
 97 STO 01
 98 X^2
 99 RCL 00
100 3
101 Y^X
102 +
103 SQRT
104 STO 09
105 RCL 01
106 -
107 3
108 1/X
109 Y^X
110 RCL 01
111 RCL 09
112 +
113 CHS
114 3
115 1/X
116 Y^X
117 +
118 RCL 06
119 3
120 /
121 -
122 STO 09
123 2
124 *
125 RCL 02
126 *
127 RCL 09
128 RCL 03
129 *
130 2
131 RCL 02
132 *
133 -
134 /
135 STO 00
136 RCL 09
137 *
138 1/X
139 RCL 02
140 *
141 RCL 09
142 RCL 00
143 7P<>S
144 CF 02
145 XEQ 01
146 XEQ 01
147 XEQ 01
148 GTO 02
149 LBL 01
150 RCL 03
151 /
152 RCL 06
153 /
154 7PRTX
155 RDN
156 RTN
157 LBL 02
158 ADV
159 ADV
160 RTN
161 STOP
162 END

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