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Chapter 8 Specifications
HP 33120A Function / Arbitrary Waveform Generator
MODULATION CHARACTERISTICS
AM Modulation
Carrier -3 dB Freq:
10 MHz (typical)
Modulation:
Any internal waveform plus Arb
Frequency:
10 mHz to 20 kHz (
2.5 kHz, then decreases linearly
±
to
0.4% at upper limit)
Depth:
0% to 120%
Source:
Internal / External
FM Modulation
Modulation:
Any internal waveform plus Arb
Frequency:
10 mHz to 10 kHz (
600 Hz, then decreases linearly
±
to
0.8% at upper limit)
Peak Deviation:
10 mHz to 15 MHz
Source:
Internal Only
Burst Modulation
Carrier Frequency:
5 MHz max.
Count:
1 to 50,000 cycles, or Infinite
°
Start Phase:
-360
Internal Rate:
10 mHz to 50 kHz
Internal or External Gate (1)
Gate Source:
Trigger Source:
Single, External, or Internal Rate
FSK Modulation
Frequency Range:
10 mHz to 15 MHz (
600 Hz, then decreases linearly
±
to
4% at upper limit)
Internal Rate:
10 mHz to 50 kHz
Source:
Internal / External (1 MHz max.)
FREQUENCY SWEEP
Type:
Linear or Logarithmic
Direction:
Up or Down
Start F / Stop F:
10 mHz to 15 MHz
Time:
1 ms to 500 sec
Source:
Single, External, or Internal
REAR-PANEL INPUTS
±
External AM
5 Vpk = 100% Modulation
Ω
Modulation:
5 k
External Trigger/FSK
Burst Gate: (1)
TTL (low true)
µ
Latency:
1.3
s
Jitter:
25 ns
±
0.05% to
±
0.05% to
°
to +360
±
1%
±
0.05% to
±
0.1%
Input Resistance
SYSTEM CHARACTERISTICS
Configuration Times (2)
Function Change: (3)
Frequency Change: (3)
Amplitude Change:
Offset Change:
Select User Arb:
Modulation Parameter Change:
Arb Download Times over HP-IB:
Arb Length
Binary
ASCII Integer
16,000 points
8 sec
8,192 points
4 sec
4,096 points
2.5 sec
2,048 points
1.5 sec
Arb Download Times over RS-232 at 9600 Baud: (5)
Arb Length
Binary
ASCII Integer
16,000 points
35 sec
8,192 points
18 sec
4,096 points
10 sec
2,048 points
6 sec
(1) Trigger source ignored when External Gate is selected.
(2) Time to change parameter and output the new signal.
(3) Modulation or sweep off.
(4) Times for 5-digit and 12-digit numbers.
(5) For 4800 baud, multiply the download times by two;
For 2400 baud, multiply the download times by four, etc.
(6) Time for 5-digit numbers. For 12-digit numbers,
multiply the 5-digit numbers by two.
80 ms
30 ms
30 ms
10 ms
100 ms
< 350 ms
ASCII Real (4)
81 sec
100 sec
42 sec
51 sec
21 sec
26 sec
11 sec
13 sec
ASCII Real (6)
101 sec
134 sec
52 sec
69 sec
27 sec
35 sec
14 sec
18 sec
299
8
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