Atec Aeroflex-3920B User Manual
Page 17

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AUDiO SPECTRUM AnAlYZER (OPTiOnAl)
FREQUEnCY STAnDARD i/O
inPUT/OUTPUT COnnECTORS
ANT (RF INPUT)
Connector Type
TNC
Function
Receiver input
Impedance
50 W (nominal)
VSWR (with Attenuation
≤10 dB):
Better than 1.44:1 (RF freq.
<1.05 GHz)
Better than 1.58:1 (RF freq.
>1.05 GHz to <2.7 GHz)
Input Protection
10 W with warning above
+17 dBm (Remove power
immediately when alarm
sounds)
GEN (RF INPUT)
Connector Type
TNC
Function
Generator high-level output
Impedance
50 W (nominal)
INTERNAL FREQUENCY
sTANDARD OUTPUT
Frequency
10 MHz (nominal)
Output Level
1 Vpp (nominal) into 50 W
Temperature Stability (0 to
50
o
C)
±0.01 ppm
Aging Rate
±0.1 ppm/year after 1 month
continuous use
Warm Up Time
Less than 5 min. to ±0.02 ppm
EXTERNAL FREQUENCY
INPUT
Frequency
10 MHz
Input Level
1 to 5 Vpp for sine waves
3.3/5 V TTL for square waves
Connector
BNC socket (10 kW Input/50 W
Output)
VSWR (with level <0
dBm):
Better than 1.7:1 (RF freq. <1.05 GHz)
Better than 1.9:1 (RF freq. >1.05 GHz to
<2.7 GHz)
Input Protection
10 W with warning above +23 dBm
(Remove power immediately when alarm
sounds)
T/R (RF INPUT/
OUTPUT)
Connector Type
Type N
Function
RF power input, generator low-level output)
Impedance
50 W (nominal)
VSWR
Better than 1.2:1 (RF freq. <1.05 GHz)
Better than 1.3:1 (RF freq. >1.05 GHz to
<2.7 GHz)
Input Protection
200 W with warning above 135 W or power
termination temp >100
o
C. Recommended
max of 30 s ON and minimum of 2 min
OFF for power levels above 50 W. (Remove
power immediately when alarm sounds.)
GPIb
Connector Type
24 pin IEEE
Function
IEEE-488.1-1997
ETHERNET
Connector Type
8 Position, RJ-45 100/10 Mbit/s
Function
10/100 Base-T network connection
Rs-232
Connector Type
9-pin, D-sub, Male
Baud Rates
300, 600, 1200, 2400, 4800, 9600,
19.2k, 38.4k, 57.6k, 115.2k
Stop Bits
1 or 2
Parity
Odd, even, none
VIDEO
Connector Type
15-pin, D-sub, VGA
Function
VGA for external monitor
IF OUTPUT
Connector Type
BNC
Function
10.7 MHz Receiver IF
Output Level
Proportional to Receive Signal Level
MIC/ACCEssORY
Connector Type
8 position, female DIN
Function
Microphone connection, modulation input,
demod output, PTT operation
PARALLEL PORT
Connector Type
25 position, female D-sub
Function
Printer interface
Usb
Connector Type
Twin USB standard connection (rear panel)
Single USB standard connection (front
panel)
Function
USB Version 2.0 interface
FREQUENCY
Range
Start and Stop Frequency - 0 Hz to
24,000 Hz
Resolution
1 Hz
Accuracy
±50 ppm (±10 ppm Typical)
Span
2 kHz min to 24 kHz max
LEVEL
Vertical Scales
1, 2, 5, 10, 20 dB per division
Reference Level
0 dB Full Scale (dBr)
Dynamic Range
Greater than 120 dB
Accuracy
±1 dB from 300 Hz to 15 kHz
MARKERs
Number of Markers
2
17