Giga-tronics Series 12000A, Operation Manual

Page: 45 / 238

Introduction
Publication 31231, Rev. J, October 2003 1-21
O to 10 V Ramp Output
Vout = (10 V) |(fout - fstart)| / |(fstop - fstart)|(Frequency Ramp sweep mode)
Vout = (10 V) |(Pout - Pstart)| / |(Pstop - Pstart)|(Power Ramp sweep mode)
Vout = 0 to 10 V ramp @ current set sweep rate (Ramp during CW mode)
O.5 / GHz Output
Vout = (0.5 V) (Fout in GHz)
Sweep Modes
Start/Stop
FA
≤
[F1 = F2]
≤
FB
Sweeps up or down from a preset start frequency (F1) to a preset stop frequency (F2)
Start/
∆
FA
≤
[F1
±
∆
F]
≤
FB
Sweeps up or down from a preset start frequency (F1) through a preset sweep width (
∆
F)
CTR/
∆
FA
≤
[CF ± (
∆
F/2)]
≤
FB
Sweeps up or down through a preset sweep width (
∆
F) centered symmetrically about a preset center
frequency (CF)
∆
MKR
FA
≤
[Mx My]
≠ ≤
FB
Sweeps up or down from a preset start frequency (Mx) through a preset marker (My)
Sweep Functions
Auto Continuous recycle of the preset sweep
Single
A single cycle of the preset sweep initiated by manual operation of the front panel push-button or
reception of the corresponding GPIB command
EXT A single cycle of reset sweep initiated by a trigger from an external source
Frequency Markers
(Twelve intensity, video and/or amplitude markers, individually selected from either the front panel or via the GPIB)
Resolution Sweep width/4000
Accuracy
Same as Sweep linearity except the marker may vary
±
25 mV relative to the linear 0 to + 10 V RAMP
OUT
Amplitude Markers A -10 to
+
10 dB change in RF output during analog frequency sweep
Video Markers TTL level output or
±
5 V
Intensity Markers Provides a timed dwell of frequency sweep