Tenma 72-14120, Manual

Page: 158 / 162

157
Modulation wave Sine wave, square wave, upper ramp wave, lower ramp wave, noise, arbitrary wave
Modulation frequency 2mHz ~ 100kHz
（
internal
）；
DC ~ 20kHz
（
external
）
SUM depth 0%
～
100%
QAM
QAM mode
QAM4
，
QAM8
，
QAM16
，
QAM32
，
QAM64
，
QAM128
，
QAM256
（
built-in constellation
modulation
）
Modulation source Built-in PNcode
，
PN7
，
PN9
，
PN11
，
PN15
，
PN17
，
PN21
，
PN23
，
PN25
Chip rate 2mHz~100kHz
Amplitude 10mVpp
～
10Vpp(50Ω)
Frequency sweep
Carrier wave Sine wave, square wave, sawtooth wave, arbitrary wave
Type Linear or logarithmic
Frequency sweep time 1ms ~ 500s ± 0.1%
Trigger source Manual, external or internal
Burst
Waveform Sine wave, square wave, sawtooth wave, pulse, noise and arbitrary wave
Type Count
（
1~50,000 periods
）
, infinite, gated
Initial and stop phase -360°
～
+360°
Internal cycle
1μs
～
500 s ± 1%
Gated source External trigger
Trigger source Manual, external or internal
Protocol Output
SPI
Waveform length 1~512 bytes
Clock frequency
10kHz~40MHz
Sending mode Single manual trigger, continuous trigger
Continuous trigger time
interval
1ms~10s
Output level TTL level output
I2C
SPI waveform length 1~512 bytes
Clock frequency 10kHz~1MHz
Sending mode Single manual trigger, continuous trigger
Continuous trigger time
interval
1ms~10s
Address Send 7-bit/10-bit I2C address
Output level TTL level output
UART
SPI waveform length 1~1K bytes
Baud rate
110
，
300
，
1200
，
2400
，
4800
，
9600
，
19200
，
38400
，
56700
，
115200
，
230400
，
460800
，
921600
，
user-defined
Data bit 4 bits
，
5 bits
，
6 bits
，
7 bits
，
8 bits
Sending mode Single manual trigger, continuous trigger
Continuous trigger time 1ms~10s