Tait TB9300 - Theory of Operation

TB9300 Specifications Manual Base Station Specifications 27
© Tait International Limited August 2022
IF stages - B2 and B3 and C bands
Frequencies
Analog
Digital
16.9 MHz
16.9 MHz and 0 Hz
IF stages - G, H, K and L2 bands
Frequencies
Analog
Digital
70.1 MHz
8.66 MHz and 0 Hz
Spurious Emissions
Conducted
Radiated
<–90 dBm 9 kHz to 2 GHz
<–70 dBm 2 GHz to 12.75 GHz
<–57 dBm 30 MHz to 1 GHz
<–47 dBm 1 GHz to 4 GHz
General (Continued)
Digital RF
Digital unfaded sensitivity
a
Guaranteed
Typical
<–120dBm @ 5% BER (DAQ 2.0)
<–118.5dBm @ 2.6% BER (DAQ 3.0)
<–118dBm @ 2% BER (DAQ 3.4)
<–117dBm @ 1% BER (DAQ 4.0)
<–122dBm (0.18μV) @ 5% BER
a. Center of switching range at 25°C.
Digital selectivity
B, C and H bands
G band
H5 band
K and L2 bands
≥82dB @ 1% BER
≥80dB @ 1% BER
≥79dB @ 1% BER
≥77dB @ 1% BER
Digital spurious response attenuation ≥90dB
Digital intermodulation response attenuation
b
≥78dB @ 1% BER unfaded
b. Up to 5dB degradation at extremes of switching range and temperature.
Digital blocking rejection
>1MHz 100dB @ 1% BER
Digital co-channel rejection 12dB