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Appendix A: Specifications
18
CFG280 User Manual
Table 2: Generator Specifications (Cont.)
Characteristic Measurement
Am
p
lit
ud
e
Flat
n
ess
(At 10 kHz, 50 W Load)
Withi
n ±
0
.
5
d
B
,
0
.1
H
z
to
11
0
k
H
z
Within ±1.5 dB, to 1.1 MHz
Within ±2.5 dB, to 11 MHz
Sine Wave Distortion <1% from 10 Hz to 100 kHz
–30 dB at all other frequencies
(ambient temperature 20
_ C to 30_ C)
Triangle Wave Linearity
0.1 Hz to 100 Hz w 99%
100 kHz to 1 MHz w 97%
Measured from 10% to 90% of waveform
Square Wave Transition
Time
v25 ns rise/fall time at maximum output into a
50
W load
Square Wave Aberrations v4% peak-to-peak at maximum output into a
50
W load
S
ync TTL
O
u
t
pu
t
Rise/Fall Time
<25
n
s
i
n
to
50
W
loa
d
VCF (FM) Input A ±10 V signal input shifts frequency w 1000:1 up or
down with dial set at 0.1 or 11 respectively
E
x
te
rn
al
Gate
I
npu
t
w+
2
V
gate
sig
n
al
r
e
qu
i
r
e
d, n
ot
to
e
xc
ee
d +1
5
V
fixed 0 degree start phase
Internal Sweep Rate Continuously variable from 0.5 to 50 Hz
Internal Sweep Width Variable from 1:1 to 100:1
Am
p
lit
ud
e
Mo
du
latio
n 1
00
% w
ith
v
5
V
p-p
,
DC
to
200
k
H
z
DSB suppressed carrier modulation is also
obtained by input modulating the signal with
w +2.5 VDC offset
Input impedance = 3 k
W