Reference Frequency; Modulation Source - Promax GR-205 Manual De Instrucciones

Stability
Phase noise
Residual FM
Data entry

REFERENCE FREQUENCY

Reference Output/Input
External reference input
Internal reference output
OUTPUT
Output level range
Setting resolution
Accuracy
Harmonics
Sub harmonics
Non-harmonic spurii
Carrier leakage
Output impedance
Output connector
Reverse protection
Switch

MODULATION SOURCE

Internal
External
Connector
Page 2
< 1 ppm/year ageing
< -116 dBc/H at 25 kHz offset, 500 MHz carrier.
Equivalent peak deviation in a 300 Hz to 3.4 kHz
bandwidth.
12 Hz at 500 MHz carrier.
Keyboard selection of frequency, amplitude, etc.;
value entry direct by numeric keys or by rotary
control.
BNC in rear panel; can be disabled when not in use
for input or output.
10 MHz, 50 Ω input impedance, 2 to 5 Vpp.
Automatic detection and selection when the external
reference signal is present and "Reference IN" is
selected on the front panel.
10 MHz, 50 Ω output impedance 2 Vpp above 50 Ω
Signal present when "Reference OUT" is selected
on the front panel.
-127 dBm to +7 dBm, in all modes except AM.
-127 dBm to +1 dBm, in AM mode.
0.1 dB (or 0.01 mV to 1 mV)
± 2 dBm.
Typically < -25 dBc to +7 dBm
None in the ≤ 1000 MHz bands.
< - 20 dBc to +7 dBm in the > 1000 MHz bands.
< - 60 dBc at ≥ 62.5 MHz offset.
< - 50 dBc at < 62.5 MHz offset (bandwidth between
150 kHz and 250 MHz).
< 0.5 µV generated in a 50 Ω load by a 2 turn 25
mm diameter loop, 25 mm from the generator, with
the output set to ≤ 10 dBm into a 50 Ω sealed load.
50 Ω.
Type N.
50 V DC, up to 25 W from a 50 Ω source.
Flashing of the indicator led.
RF OUT on-off switch with LED showing ON status.
400 Hz and 1 kHz Sinusoidal wave derived from the
reference frequency.
Sinusoidal wave calibrated at 1 RMS Volt over 600 Ω.
BNC in the front panel for the modulation signal
input when external modulation is selected and for
the modulation
modulation is selected.
USER'S MANUAL. GR-205
signal output when internal
09/2004