Pin | Signal | Description |
---|---|---|
1 | FHOP_DATA | Data input for Fast Hopping list mode. See "List Mode" |
2 | Ground ⊥ | Ground |
3 | FHOP_CLK | Clock input for Fast Hopping list mode. See "List Mode" |
4 | FHOP_STRB | Strobe input for Fast Hopping list mode. See "List Mode" |
5 | RF OFF | Input for fast switching of the RF output. Active High (1) switches the RF output off. A subsequent Active Low (0) switches the RF output on again. Switching is performed very fast (10us). However, the attenuation of the switched off output is considerably less than after regular switch-off, because the attenuator is not set to maximum attenuation. |
6 | INST TRIG | Input for external triggering of the analog modulations, sweeps and List mode. HOP input for controlling the frequency hop mode with external source in List mode. |
7 | BLANK | Output for blank signal. This signal marks the blank times (invalid level indication). The signal is generated automatically. |
8 | OPC | Output for Operation Complete line. Active High signals that all remote control commands have been executed. The output is always active. |
9 .. 10 | Ground ⊥ | Ground |
11 .. 26 | FM_DAT | Parallel data input with 16-bit word width for digital FM modulation data. The FM-Data bus is directly connected to the DDS of the syntheziser module. Thus, very fast frequency hop (settling times of 10 us) is possible for frequency bandwidth up to 80 MHz. |
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