Tektronix PFG 5105, Инструкция по эксплуатации

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Programming
PERIOD
Command Type:
Setting or query
Setting Syntax:
PERIOD < period > [: < units > ]
Examples:
PERIOD 10
PERIOD 5:MS
PERIOD 5E-3
Query Syntax:
PERIOD?
Query Response (one of the following):
PERIOD < period > ;
PERIOD 10;
PERIOD 5E-3;
Discussion:
The PERIOD command sets the period of the output
waveform. It also affects the FREQuency parameter.
(Changing the PERIOD parameter will change the
FREQuency parameter.) The power-on setting is 1 ms.
Units can be S, mS, us.
With synthesizer card installed, PERIOD is onl� � 1 /2
digits resolution rather than the usual 4 1 /2 d1g1ts.
PRELEVEL
Command Type:
Setting or query
Setting Syntax:
PRELEVEL TTL
PRELEVEL CMOS
PRELEVEL ECL
Examples:
PRELEVEL TTL
PRELEVEL CMOS
PRELEVEL ECL
Discussion:
This command selects predefined output levels as
specified by the argument.
TTL
O V to 3 V
CMOS
O V to 4.99 V
ECL -0.8 V to -1.8 V
When this command is sent the amplitude and offset
are set to meet indicated levels. Amplitude and offset
can then be changed.
PFG 5105/5505 Instruction Manual