USER’S MANUAL__________________________________________________________________
58 __________________________________________________________________ M211322EN-D
- Continuous or pulse modulated output with bandwidth limiting on
pulse modulation output
- Precise phase shifting with transient bandwidth limiting
- Total harmonic distortion less than -74 dB
- Waveform pre-emphasis compensates for both static and dynamic Tx
nonlinearities
DDS Analog Output Waveform Characteristics:
- Direct Digital Synthesis of analog waveforms that has simpler
modulation requirements than are possible with TxDACs
- Can drive up to +13 dBm into 50
- Outputs frequencies from 5 MHz to 105 MHz
2.14.3 Miscellaneous Discrete and Analog
I/O
- There are two identical 51-pin MicroD connector to support
miscellaneous I/O
- Includes D/A, A/D, discrete inputs and outputs (TTL, RS-485/422,
etc.). See Table 2. RVP901 51-pin Micro-D Summary on page 57.
- I/O pin assignment mapping
- ESD protection using low capacitance TVS diode. Series resistors are
added to the TTL pins to provide over voltage protection.
TTL I/O:
- 20 dedicated 5 V TTL lines
- Drive capability of 32 mA
- Over voltage, ESD, ETF, and lightening protection
RS-485/422 IO:
- 20 pairs with optional 120 termination
- Maximum data rate of 20 Mbps
- Over voltage, ESD, ETF, and lightening protection
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