GENERAL INFORMATION
1-18
RF level accuracy RF mode = ‘auto’, as standard ± 0.2 dB
The above specification is met for all power levels above 150 MHz.
AM depth and distortion AM operation is unspecified below 10 MHz.
AM depth and distortion specification is degraded for operation above 0 dBm at carrier
frequencies < 150 MHz.
Video breakthrough:
RF mode
Power < ±50 mV for RF levels > +10 dBm
< ±25 mV for RF levels in the range −10 dBm to +10 dBm
< ±10 mV for RF levels ≤ −10 dBm
Noise < ±50 mV for RF levels > +4 dBm
< ±25 mV for RF levels in the range −16 dBm to +4 dBm
< ±10 mV for RF levels ≤ −16 dBm
ACP < ±50 mV for RF levels > −6 dBm
< ±25 mV for RF levels in the range −26 dBm to −6 dBm
< ±10 mV for RF levels ≤ −26 dBm
Modulation source: PULSE IN BNC (female) connector rear panel
Input impedance:
50 Ω
Input level: TTL level (HCT)
Control voltage: HCT logic 0 (0 V to 0.8 V) turns the carrier OFF
HCT logic 1 (2 V to 5 V) turns the carrier ON
Maximum safe input level:
±10 V
REAR-PANEL OUTPUTS
(OPTION 007)
With this option fitted, RF OUTPUT, EXT I/EXT AM input and EXT Q/EXT FM input
connectors are transferred to the rear panel. When Option 009 is fitted, only the
RF OUTPUT connector is transferred to the rear panel. The standard signal generator
specification remains unaltered.
REAL-TIME BASEBAND
(OPTION 008)
Allows the creation of digitally-modulated signals using generic modulation formats. An
internal data source provides PRBS or fixed patterns. External real-time data in the form
of symbol data, or digital IQ data, may be applied via an LVDS interface.
Generic modulation formats
PSK:
BPSK, QPSK, 8PSK, 16PSK, 8PSK EDGE (8PSK with 3π/8 rotation), π/2 DBPSK,
π/4 DQPSK, π/8 D8PSK, DBPSK, DQPSK, D8PSK, OQPSK (time offset)
MSK: GMSK
FSK/GFSK: 2- and 4-level symmetric
QAM: 16, 32, 64, 128, 256 levels
For data bit to symbol mapping information refer to Technical Note ‘IFR 3410 Option 8
RTBB Ancillary Information’.
Symbol rate
Range: 5 kHz to 2 MHz
Resolution: 1 Hz
Baseband channel filters
Filter types: Nyquist: a = 0.1 to 0.8, resolution 0.01
Root Nyquist: a = 0.1 to 0.8, resolution 0.01
Gaussian: Bt 0.1 to 1.0, resolution 0.1
EDGE: ‘Linearized Gaussian’ as defined in GSM 05.04
Data source
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