PGAL5 Series
Butterworth Fixed Frequency Filters
with Programmable Amplifiers
Specification
(25°C and rated power input)
VME Board
VM32PAFF
VM2.0PAFF
PGAB5-2.0
PGAB5-100
PGAB5-300
Analog Input
Impedance
Linear Input Range
CMRR
1 MΩ/22pF
1 MΩ/22pF
±8V pk
80 dB @ 1kHz typ.
60 dB min.
±15V
10Hz to 1.0 kHz
1 MΩ/22pF
±8V pk
±8V pk
80 dB @ 1kHz typ.
60 dB min.
±15V
≥ 50 dB, DC to 100 kHz
≥40dB,100kHz to 2MHz
20 V pk-pk, each leg
20 Hz to 1.0 kHz
Maximum Input Range
AC Couple (Optional Fixed Freq.) 10Hz to 1.0 kHz
Analog Output
Impedance
1Ω typ., 10Ω max.
±5V, Output clamped to ±9V
<-100dB @ 1 kHz,
<-90dB @ 20 kHz
5 mA
1Ω typ., 10Ω max.
±5V, Output clamped to ±9V
<-100dB @ 1 kHz,
<-90dB @ 20 kHz
5 mA
1Ω typ., 10Ω max.
±4V into 500Ω
Linear Operating Range
Chl. to Chl. Crosstalk
<-100dB @ 1 kHz,
<-90dB @ 20 kHz
5 mA
Maximum Current
Offset Voltage
Offset Temp. Coeff.
2mV RTI, NTE 40 mV max.
±(5+ 100/G) µV/ºC max.
2mV RTI, NTE 40 mV max.
±(5+ 100/G) µV/ºC max.
25 mV typ. 50 mV max.
±(5+ 100/G) µV/ºC max.
Filter Characteristics
Filter type
Cut-off Frequency fc (-3 dB)
Butterworth, 3-pole low-pass
100 Hz to 100 kHz
Butterworth, 3-pole low-pass
100 Hz to 300 kHz
Butterworth, 4-pole low-pass
>100 kHz to 2 MHz
Theoretical Transfer
Characteristics
See Appendix A
Page 45
See Appendix A
Page 45
See Appendix A
Page 7
Amplitude Match*
±0.1dB @ DC,
±0.1dB @ DC,
±0.2dB @ DC
linear to ±0.25dB at fc
0.2º typ., 1º max @ fc
20nV/√Hz @1kHz,G=1,024
linear to ±0.25dB at fc
0.5º typ., 2º max @ fc
20nV/√Hz @1kHz,G=128
Phase Match*
Noise Voltage Density, RTI
(Fc = 100 kHz)
2.0º max @ fc
16nV/√Hz @ 1 kHz, G=64
Distortion (2 V pk-pk)
NA
NA
≤-60db to 100 kHz
≤-50 dB, 100 kHz to 2 MHz
Distortion G=2X at 1VRMS
Output, RL-2kΩ, BW=100 kHz
Gain Programming (G)
Gain Accuracy @ DC
-83dB, 1 kHz single ended
-86dB, 1 kHz differential
0.25X to 1024X in factors of 2
±0.1 dB
-83dB, 1 kHz single ended
-86dB, 1 kHz single ended
0.25X to 128X in factors of 2
±0.1 dB
NA
NA
0.25X to 64X in factors of 2
±0.1 dB max.
NA
Differential Output
Optional
Optional
*Any two channels set to same gain and loading
NA – Not Available
3
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