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70421 Switch

  

The 70421 Switch provides internal or external switching of any or all of three 70 MHz IF inputs, combining, and amplification to provide a 0 dB gain of the output signal. In the EXTERNAL mode, grounding a switch control input allows the corresponding IF signal to pass through. When switched to INTERNAL, SPDT toggle switches control the IF switches. A green LED shows that DC power is applied. The female IF connectors are 2-BNC and 1-TNC for inputs and TNC for the output. The Control and DC Input connector is DB9, female. The unit is in a 1.2”high X 3.3”

 wide X 6.0” deep aluminum chassis.


 70421 Switch Front and Rear Panel

Equipment Specifications*
 

Switch Characteristics
Frequency
Impedance, In, Out
Return Loss, In, Out
Level, max
Level, 1dB Comp
Switch Type
Splitter Type
Isolation, Switch off
Isolation, Port to Port
Switch time
Insertion Loss		 70 ± 20 MHz
50 ohms
> 15 dB
+5 dBm
+10 dBm
Solid State
Reactive
> 50 dB
> 20 dB, all "ON"
<= 10 ms
0 ± 1 dB
Controls/Indicators
Switch Select
LED		 Closures to GND select CH1, CH2, and/or CH3
POWER, Green LED
Other
Connectors, IF1, IF3
Connectors, IF2, IF Out
Connector, DC, Control
Mechanical
Power, max		 BNC, female, 50 ohm
TNC, female, 50 ohm
DB9, female
1.2"H X 3.3"W X 6.0"D
+24 VDC, 100ma

*+10 to +40 degrees C; Specifications subject to change without notice