SPECIFICATIONSLG 226
RF Output
Frequency Range: 30 MHz to 950 MHz
Frequency Resolution
:50 kHz
Frequency Accuracy
:10 ppm
Frequency Switching Time
:Within 100 ms
Frequency Setting
Channel Mode: Setting with a built-in channel table
Frequency Mode: Setting an arbitrary frequency
Output Impedance: 75 Ω
Output Connector: BNC
Output Level Range: -80 to 0 dBm (0 dBm max.)
Level Resolution: 1 dB
Output Level Accuracy
:±2 dB (0 to -9 dBm)
±3 dB (-10 to -80 dBm)
Spurious: Within -30 dBc (Harmonics)
Within -40 dBc (Non-Harmonics)
Video Signal
Modulation System: Amplitude modulation of the VSB
(vestigial sideband) system according
to a broadcast system
Modulation
At the time of built-in channel table setting:
87.5 %±3 % (Negative modulation)
97.0 %±3 % (Positive modulation)
At the time of arbitrary setting:
0 to 100 % (in 0.5 % steps)
Modulation Frequency Band
At the time of built-in channel table setting:
4.2 MHz/5.0 MHz/6.0 MHz (Depends
on a broadcast system)
At the time of arbitrary setting:
4.2 MHz/5.0 MHz/6.0 MHz
Modulation Frequency Flatness
:±1 dB
Input Impedance: 75 Ω
Input Connector: BNC
Reference Input Level
:1 Vp-p
Spectrum Polarity: Positive (upper sound wave)
Built-in Pattern: Full-eld Color Bar (NTSC/PAL)
Line sweep (at 100 % modulation: 4.2
MHz) (NTSC/PAL)
Sound Signal
Carrier Frequency
At the time of built-in channel table setting:
4.5 MHz/5.5 MHz/6.0 MHz/6.5 MHz
(Depends on a broadcast system)
At the time of arbitrary setting:
4.5 to 6.5 MHz (in 0.5 MHz steps)
Video Sound Ratio
At the time of built-in channel table setting:
-6 dB/-7 dB/-10 dB (Depends on a
broadcast system)
At the time of arbitrary setting:
-30 to 0 dB (in 1 dB steps)
Modulation Types: FM/AM (L System) (Depends on a
broadcast system at the time of built-
in channel table setting)
Frequency Deviation
At the time of a built-in channel table Setting:
15 kHz/30 kHz(equivalent to 60 %
of the maximum deviation for each
broadcasting system)
At the time of an arbitrary setting:
0 to 100 kHz (in 1 kHz steps)
Modulation (AM)
At the time of built-in channel table Setting:
60%
At the time of arbitrary setting:
0 to 60 % (in 1 % steps)
Pre-Emphasis
At the time of built-in channel table setting:
75 μs/50 μs (Depends on a broadcast
system)
At the time of arbitrary setting:
75 μs/50 μs/OFF
Modulation Frequency Response
:40 Hz to 100 kHz
Modulation Frequency Flatness
:±1 dB
Reference Input Level
:0 dBm (0.775 Vrms)
Input Impedance: 600 Ω
Input Connector: BNC
Built-in Sound Signal
:Sine wave 400 Hz/1 kHz
* The modulation system cannot be selected at the time of
channel mode.
Preset
Function: Up to 100 sets of panel settings can
be stored and recalled.
GPIB
Function: Enables the key operations of the
front panel except a power switch.
Connector: 24-pin rectangular connector
57LE-20240-7700D35G (DDK) or
equivalent
Corresponding Standard
:ANSI/IEEE Std 488.1-1987
REMOTE
Function: Enables the INC, DEC, and RESET
operations of the preset memory.
Connector: 14-pin rectangular connector
57LE-4014-7700 (DDK) or equivalent
Input Level: TTL
RS232C
Function: Controls the Video signal generator
LT 450, Selects the INC, DEC, or RE-
SET/video format which are related to
the PRESET-MEMORY.
Connector: 9-pin D-Sub (M)
Signal Format: Bidirectional serial data
Environmental Conditions
Operating Temperature
:0 to 40 °C
Operating Humidity: ≤85 %RH (without condensation)
Operating Environment
:Indoor use
Operating Altitude: Up to 2,000 m
Overvoltage Category
:II
Pollution Degree: 2
Power Requirements
Voltage: AC90 to 250 V
Power Frequency: 50/60 Hz
Power Consumption: 35 W max.
Dimensions
426(W) X 88(H) X 400(D) mm
(excluding projections)
Weight
5.6 kg
Accessories
AC power cord.................................1
Instruction manual ...........................1
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
