TDT RZ2 Manual page 20

1-14
QZDSP_OPT
RZ2 Technical Specifications
Note: Technical specifications for amplifier A/D converters are found under the preamplifier's
technical specifications.
DSP
Memory
D/A
A/D
Fiber Optic Ports
Add-on Specialty (Optional)
Digital I/O
RZ2 BioAmp Processor
This version of the QZDSP quad-core processor includes an
optical interface that can be programmed for use with any of the
RZ compatible devices, such as a secondary PZ Amp, the IZ2
Stimulator, and RS4 Data Streamer. Core-A is always used for
control of the peripheral device.
Up to eight standard DSPs and/or quad-core (QZDSP)
DSP: 400 MHz DSPs, 2.4 GFLOPS peak per DSP
QZDSP: Four 400 MHz DSPs, 2.4 GFLOPS per core
64 MB SDRAM per standard DSP
256 MB DDR2 RAM per core, four cores per QZDSP
8 channels, 16-bit PCM
Up to 48828.125 Hz
Sample Rate
DC - 0.44*Fs (Fs = sample rate)
Frequency Response
+/- 10.0 Volts, 175 mA max load
Voltage Out
82 dB (20 Hz - 20 kHz at 9.9 V)
S/N (typical)
10 Ohms
Output Impedance
8 channels, 16-bit PCM
Up to 48828.125 Hz
Sample Rate
DC - 7.5 kHz (3 dB corner, 2nd order, 12 dB per
Frequency Response
octave)
+/- 10.0 Volts
Voltage In
82 dB (20 Hz - 20 kHz at 9.9 V)
S/N (typical)
10 kOhms
Input Impedance
One 256-channel input
The maximum sample rate is 48828.125 Hz when recording
Z-Series
up to 128 channels or 24414.0625 Hz when recording 129
- 256 channels).
Two 16-channel inputs
Legacy (Medusa)
Up to four, one per QZDSP_Opt or Specialty DSP card
upgrade.
8 programmable bits: 3.3 V, 25 mA max load
2 programmable bytes (16 bits): 5.0 V, 35 mA max load
System 3