Datasheet
Frequency Shift Keying
Characteristic
Description
Carrier Waveforms All, except Pulse, Noise, and DC
Source Internal/External
Internal Modulating
Frequency
2 mHz to 1.000 MHz
Number of Keys
2
Pulse Width Modulation
Characteristic
Description
Carrier Waveform
Pulse
Source Internal/External
Internal Modulating
Waveform
Sine, square, ramp, noise, ARB
(maximum waveform length 2,048)
Internal Modulating
Frequency
2mHzto50.00kHz
Deviation
0% to 50.0% of pulse period
Sweep
Characteristic
Description
Waveforms All, except Pulse, Noise, and DC
Type Linear, logarithmic
Sweep Time
1msto300s
Hold/Return Time
0msto300s
Max Total Sweep Time
300 s
Resolution 1 ms or 4 digits
Total Swee p Tim e
Accuracy, typical
≤0.4%
Min Start/Stop
Frequency
All except ARB: 1 µHz
ARB: 1 mHz
Max Start/Stop
Frequency
See chart, below
Sweep: Max Start/Stop Frequency
Characteristic AFG3011 AFG3021B
AFG3022B
AFG3101
AFG3102
AFG3251
AFG3252
Sine
10
MHz
25
MHz
10
0MHz
24
0MHz
Square
5M
Hz
12
.5 MHz
50
MHz
12
0MHz
AR
B
5M
Hz
12
.5 MHz
50
MHz
12
0MHz
Others
1
00 kHz
2
50 kHz
1
MHz
2
.4 MHz
Burst
Characteristic
D
escription
Waveforms All, except Noise and DC
T
ype
Triggered, gated (1 to 1,000,000 cycles or Infinite)
I
nternal Trigger Rate
1
μsto500.0s
Gate and Trigger
Sources
Internal, external, remote interface
Auxiliary Inputs
Characteristic
Description
Modulation Inputs Channel 1, Channel 2
Input range
All except FSK: ±1 V
FSK: 3.3 V logic level
Impedance
10 kΩ
Frequency range
DC to 25 kHz (122 kS/s)
External Triggered/Gated Burst Input
Level TTL compatible
Impedance
10 kΩ
Pulse width 100 ns minimum
Slope Positive/Negative, selectable
Trigger delay 0.0 ns to 85.000 s
Resolution 100 ps or 5 digits
Jitter (RMS), typical Burst: <500 ps (Trigger input to signal output)
10 MHz Reference Input
Impedance
1kΩ, AC coupled
Required Input
Voltage Swing
100 mV
p-p
to5V
p-p
Lock Range 10 MHz ±35 kHz
External Channel
1AddInput
AFG3101, AFG3102, AFG3251, AFG3252 only
Impedance
50 Ω
Input range
-1Vto+1V(DC+peakAC)
Bandwidth
DC to 10 MHz (-3 dB) at 1 V
p-p
Auxiliary Outputs
Characteristic
Description
Channel 1 Trigger Output
Level
Positive TTL level pulse into 1 kΩ
Impedance
50 Ω
Jitter (RMS), typical AFG3011/21B/22B: 500 ps
AFG3101/02: 200 ps
AFG3251/52: 100 ps
Max Frequency 4.9 MHz
(4.9 MHz to 50 MHz: A fraction of the frequency is output;
>50 MHz: no signal is output)
10 MHz Reference Out AFG3101, AFG3102, AFG3251, AFG3252 only
Impedance
50 Ω, AC coupled
Amplitude
1.2 V
p-p
into 50 Ω load
4 www.tektronix.com
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