ETS-Lindgren 4630 Refrad Reference Radiator (Archived) - Manual (Page 5)

MODEL 4630 REFRAD REFERENCE RADIATOR Introduction
© EMC TEST SYSTEMS, L.P. – MARCH 2002 1
REV F – PN 399214
INTRODUCTION
The EMC Test Systems Model 4630 Refrad Reference Radiator is
a precise highly stable field strength transfer standards with
selectable frequency spacings over the range of 10 kHz to 1 GHz.
The system consists of a small battery powered comb generator
with a loop and two dipole transmit antennas, a coaxial output
adapter, and a remote control unit with GPIB interface.
TYPICAL USE
1. Set up comb generator and remote control unit.
2. Connect both devices via the fiber optic cable. You may clean
the connectors with a soft lint-free cloth if necessary.
3. The comb generator has to be operated in remote mode to be
used with the remote control unit.
4. Operation by a remote computer is possible. (see the ‘Remote
Control Unit’ section)
5. The comb generator should be recharged after each use.
(battery charger with cable and power supply supplied)
COMB GENERATOR
OPERATION OF THE COMB GENERATOR
1. Plug the selected antenna elements into the balun on the comb
generator.
2. For horizontal and vertical antenna polarization, use the
supplied support base, support rod, and clamp bock for tripod
mounting.
3. Select any comb spectrum by rotating the front panel knob to
the desired setting (0.01 MHz, 1.0 MHz, or 5.0 MHz). To
transfer to the remote control unit rotate the knob to the
“REMOTE” setting.
4. To recharge the comb generator after use, put the ON/OFF
switch in the CHARGE/OFF position and insert the battery
charger output plug into the comb generator’s input socket.
Archived 3/18/10