DSP 1030 Assembly instructions

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DSP1030
4CHANNEL PROGRAMMABLE AMPLIFIER
USER REFERENCE MANUAL

dsp, TRAQ, and IRAQ-H are trademarks of DSP Technology Inc.
(C) 1988 All rights reserved.
DSP Technology, Inc. 48500 Kato Road, Fremont, CA., USA
[phone]

SECTION 1
INTRODUCTION
The DSP model 1030 is a 4 channel wideband amplifier packaged in a single width CAMAC
module. Input voltage ranges are selectable from +/-25mv to +/-25V in 1-2-5 steps. The input
impedance of each channel can be selected to be either 50 ohms or 1 megohm. Coupling for each
channel can be either AC or DC. Each channel's output can be offset +/-250mv in 2mv steps.
These parameters can be selected for each channel independently via the CAMAC dataway. All
setup parameters for each amplifier are stored in battery backed up memory.
DSP 1030 User's Manual August,1989 1

SECTION 2
SPECIFICATIONS
ANALOG INPUTS
Connector:
Impedance:
Full scale:
Gains:
Maximum input
voltage:
Bandwidth:
ANALOG OUTPUTS
Connector:
Impedance:
Output range:
Offset range:
Lemo coaxial
1megohm or 50 ohms, programmable via CAMAC dataway
50 my p-p to 50 V p-p 1-2-5 steps
.01, .025, .05, .1, .25, .5, 1, 2.5, 5, 10
a) With 1 megohm input impedance selected: +50 V
at input sensitivities of +25mv to +500mv. +250 V (DC + peak AC)
for other range settings.
b) With 50 ohm input impedance selected: 7 VDC (50mv to 10 V range)
-3db at > 100 MHz minimum for all gain settings.
Lemo coaxial
50 ohms, +2%
+/-250mv max; includes +/-250mv signal + offset (output terminated into 50
ohms)
+/-250mv, settable in approx. 2mv steps via the CAMAC dataway
DSP 1030 User's Manual August,1989 2

CAMAC COMMANDS
F(0) .A(0) .N: Read channe
F(0) .A(1) .N: Read channe
F(0) .A(2) .N: Read channe
F(0) .A(3) .N: Read channe
F(0) .A(4) .N: Read channe
F(0) .A(5) .N: Read channe
F(0) .A(6) .N: Read channe
F(0) .A(7) .N: Read channe
F(3) .A(0) .N: Read module
F(16) .A(0) .N: Write channe
F(16) .A(1) .N: Write channe
F(16) .A(2) .N: Write channe
F(16) .A(3) .N: Write channe
F(16) .A(4) .N: Write channe
F(16) .A(5) .N: Write channe
F(16) .A(6) .N: Write channe
F(16) .A(7) .N: Write channe
one control register (R1-R8)
two control register (R1-R8)
three control register (R1-R8)
four control register (R1-R8)
one offset register (R1-R8)
two offset register (R1-R8)
three offset register (R1-R8)
four offset register (R1-R8)
identifier (R1-R16)
one control register (R1-R8)
two control register (R1-R8)
three control register (R1-R8)
four control register (R1-R8)
one offset register (R1-R8)
two offset register (R1-R8)
three offset register (R1-R8)
four offset register (R1-R8)
DSP 1030 User's Manual August,1989 3

CONTROLS AND INDICATORS
LED INDICATORS
N
SELECTED CHANNEL
Indicates that the module is being addressed by the computer.
Four LED lamps one for each channel, indicating which
channel's status is being displayed on the front panel status
lights.
GAIN Four LED lamps that indicate the gain of the amplifier in the
selected channel, according to the encoding shown below:
GND
AC
HIZ
CONTROLS
SELECT
CONNECTORS
INPUT
OUTPUT
LED 3 LED 2 LED 1 LED 0 GAIN VFS
OFF OFF OFF OFF 10 50mv
OFF OFF OFF ON 5 100mv
OFF OFF ON OFF 2.5 200mv
OFF OFF ON ON 1 500mv
OFF ON OFF OFF .5 1v
OFF ON OFF ON .25 2v
OFF ON ON OFF .1 5v
OFF ON ON ON .05 10v
ON OFF OFF OFF .025 20v
ON OFF OFF ON .01 50v
When this lamp is on, the selected amplifier's input is
disconnected from its input connector and connected to ground
through a 50 ohm resistor.
When this lamp is on, the selected amplifier's input is AC
coupled.
When this lamp is on, the selected amplifier's input impedance
is 1 megohm; when it is off, the impedance is 50 ohms.
This pushbutton increments the selected channel by one each
time it is pushed. When the selected channel is channel 4,
the next push of the SELECT button selects channel 1.
Each of the four channels has a LEMO coaxial input
connector.
Each of the four channels has a LEMO coaxial output
connector.
DSP 1030 User's Manual August,1989 4

INSTALLATION OPERATION
R4 R3 R2 R1 GAIN VFS
0 0 0 0 10 50mv
00 0 1 5 100mv
0 0 1 0 2.5 200mv
0 0 1 1 1500mv
0100.5 lv
0 1 0 1.25 2v
0 1 10.1 5v
0111.05 10v
10 0 0 .025 20v
1 0 0 1 .01 50v
CAMAC CONTROL
F(0) A(0) N Read channel 1 controls. This command reports amplifier status regarding
gain setting, coupling, input impedance and enabled/ground state. Data on
the R lines reports the status according to the table below:
R5 = 0: Channe
R5 = 1: Channe
R6 = 0: Channe
R6 = 1: Channe
R7 = 0: Channe
R7 = 1: Channe
input impedance is 1 megohm
input impedance is 50 ohms
is DC coupled
is AC coupled
is enabled
is disabled and grounded
F(0) A(1) N Read channel 2 controls. This command reports amplifier status regarding
gain setting, coupling, input impedance and enabled/grounded state. Data
on the R lines reports the status according to the table shown for F(0) A(0)
N.
F(0) A(2) N Read channel 3 controls. This command reports amplifier status regarding
gain setting, coupling, input impedance and enabled/grounded state. Data
on the R lines reports the status according to the table shown for F(0) A(0)
N.
F(0) A(3) N Read channel 4 controls. This command reports amplifier status regarding
gain setting, coupling, input impedance and enabled/grounded state. Data
on the R lines reports the status according to the table shown for F(0) A(0)
N.
F(0) A(4) N Read channel 1 offset setting (R1-R8). R1-R8 represent a binary code, with
R1 being the LSB. A code of 0 indicates that the output of this channel
(terminated in 50 ohms), with no signal, will be offset -.25 volts. A code of
255 indicates that the offset is +.25 volts.
F(0) A(5) N Read channel 2 offset setting (R1-R8). R1-R8 represent a binary code, with
R1 being the LSB. A code of 0 indicates that the output of this channel
(terminated in 50 ohms), with no signal, will be offset -.25 volts. A code of
255 indicates that offset is +.25 volts.
DSP 1030 User's Manual August,1989 5

F(0) A(6) N
W4 W3 W2 W1 GAIN VFS
000 0 10 50mv
00 0 1 5 100mv
00102.5 200mv
001 1 1500mv
01 0 0.5 1v
01 0 1 .25 2v
0110.1 5v
011 1 .05 10v
1 0 0 0 .025 20v
100 1 .01 50v
F(0) A(7) N
Read channel 3 offset setting (R1-R8). R1-R8 represent a binary code, with
R1 being the LSB. A code of 0 indicates that the output of this channel
(terminated in 50 ohms), with no signal, will be offset -.25 volts. A code of
255 indicates that the offset is +.25 volts.
Read channel 4 offset setting (R1-R8). R1-R8 represent a binary code, with
R1 being the LSB. A code of 0 indicates that the output of this channel
(terminated in 50 ohms), with no signal, will be offset -.25 volts. A code of
255 indicates that the offset is +.25 volts.
F(3) A(0) N Read module identifier (R1-R16).
F(16) A(0) N Write channel 1 controls. This command sets amplifier gain, coupling, input
impedance and enabled/grounded state. W1-W7 control the status according
to the table below:
F(16) A(1) N
F(16) A(2) N
F(16) A(3) N
F(16) A(4) N
W5 = 0: Channe
W5 = 1: Channe
W6 = 0: Channe
W6 = 1: Channe
W7 = 0: Channe
W7 = 1: Channe
input impedance is 1 megohm
input impedance is 50 ohms
is DC coupled
is AC coupled
is enabled
is disabled and grounded
Write channel 2 contro s. This command sets amplifier gain, coupling, input
impedance and enabled/grounded state. W1-W7 control the status according
to the table for F(16) A(0) N.
Write channel 3 controls. This command sets amplifier gain, coupling, input
impedance and enabled grounded state. W1-W7 control the status according
to the table for F(16 A(0) N.
Write channel 4 controls. This command sets amplifier gain, coupling, input
impedance and enabled/grounded state. W1-W7 control the status according
to the table for F(16) A(0) N.
Write channel 1 offset DAC. This command writes data on W1-W8 to the
offset DAC. W1 is the LSB. A code of 0 offsets the output to -.25v. A code
of 255 offsets the output to +.25v. The output can be offset in 2mv steps
using the following expression.
Voffset = (0.500/256) * (code-128)
DSP 1030 User's Manual August,1989 6

F(16) A(5) N Write channel 2 offset DAC. This command writes data on Wl-W8 to the
offset DAC. W1 is the LSB. A code of 0 offsets the output to -.25v. A code
of 255 offsets the output to +.25v The output can be offset in 2mv steps
using the following expression.
✓offset = (0.500/256) * (code-128)
F(16) A(6) N Write channel 3 offset DAC. This command writes data on W1-W8 to the
offsets DAC. W1 is the LSB. A code of 0 offsets the output to -.25v. A code
of 255 offsets the output to +.25v. The output can be offset in 2mv steps
using the following expression.
✓offset = (0.500/256) * (code-128)
F(16) A(7) N Write channel 4 offset DAC. This command writes data on W1-W8 to the
offset DAC. W1 is the LSB. A code of 0 offsets the output to -.25v. The
output can be offset in 2mv steps using the following expression.
✓offset = (0.500/256) * (code-128)
DSP 1030 User's Manual August,1989 7