Atec Agilent-N5182A - Manual (Page 17)

17
Vector Modulation
–200 –150 –100 –50 0 50 100 150 200
3
1
–1
–3
–5
–7
–9
–11
–13
–15
Frequency offset from carrier (MHz)
dB
5800 MHz
3500 MHz
2200 MHz
1900 MHz
1800 MHz
850 MHz
I/Q bandwidth using external I/Q source (ALC off)
I/Q input and output data 1
External I/Q inputs 2
Impedance 50 Ω (nom)
Bandwidth Up to 100 MHz baseband (nom)
Up to 200 MHz RF (nom)
I offset ±100 mV
Q offset ±100 mV
Quadrature angle adjustment ±200 units
For optimum ACPR/EVM performance up to specified RF output power. 3
Range I, Q (rms) rss
100 kHz to 1.2 GHz 132 mV 187 mV
1.2 GHz to 1.45 GHz 123 mV 174 mV
1.45 GHz to 2.2 GHz 114 mV 161 mV
2.2 GHz to 2.45 GHz 100 mV 141 mV
2.45 GHz to 3.0 GHz 81 mV 115 mV
3.0 GHz to 3.9 GHz 112 mV 158 mV
3.9 GHz to 4.5 GHz 132 mV 187 mV
4.5 GHz to 5.8 GHz 90 mV 127 mV
5.8 GHz to 6 GHz 25 mV 35 mV
Internal I/Q from baseband generator 4
I offset ±20%
Q offset ±20%
I/Q gain ±1 dB
Quadrature angle adjustment ±10 °
I/Q phase ±360.00 °
I/Q skew ±800.00 ns
I/Q delay ±400.00 ns
I/Q delay resolution 1 picosecond
External I/Q outputs
Impedance 50 Ω (nom) per output
100 Ω (nom) differential output
Type Single ended or differential (Option 1EL)
Maximum voltage per output ±2 V peak to peak; into high impedance
Bandwidth 50 MHz baseband (nom)
100 MHz RF (nom)
Common mode I/Q offset ±2.5 V into high impedance
Differential mode I offset ±25 mV into high impedance
Differential mode Q offset ±25 mV into high impedance
1. I/Q adjustments represent user
interface parameter ranges and not
“specifications.”
2. ALC must be on while using external IQ
inputs.
3. ACPR/EVM degrades beyond listed RF
output power.
4. Internal IQ adjustments apply to RF out
and IQ outputs simultaneously.