MTR3000 Radio Frequency Distribution System (RFDS) Equipment: Specifications 9-7
9.2.4 Antenna Relay
Table 9-7 shows the spec limit for Antenna Relay.
Table 9-6 MTR3000 External Dual Circulator Specifications (800 MHz)
External Dual Circulator Spec Limit Typical
Operating Frequency Range 762–870 MHz –
Insertion Loss 1.6 dB 1.2 dB
Input Return Loss 18 dB –
Reverse Isolation 40 dB 42 dB
Power (continuous) 200 W –
Harmonic Attenuation 60 dB –
Intermodulation (2 tone, 100 W
each)
-75 dBc –
Input Connector RF cable with N male –
Output Connector N female –
Note Refer to "Appendix A" for the model number.
Table 9-7 MTR3000 Antenna Relay Specifications
Antenna Relay Spec Limit
Operating Frequency DC to 4 GHz @ 20°C
Maximum Input Power 500 W @ 1 GHz
Coil Specifications:
Pull-in voltage
Drop-out voltage
Resistance
10.0 VDC minimum
2.0 VDC maximum
100 Ω±10% @ 20°C
Contact Specifications:
Type
Actuation
Pull-in time
Drop-out time (Includes remake of NC contact)
SPDT
Fail-safe (Break before make)
20 ms maximum @ 20°C
20 ms maximum @ 20°C
Insertion Loss 0.3 dB maximum
Isolation 70 dB minimum
VSWR Maximum 1.3:1
Temperature Range -30°C to +80°C
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