User's Manual

16 Reciter Specifications TB8100 Specifications Manual
© Tait Electronics Ltd June 2004
Receiver RF Section
Frequency Bands
B Band
H Band
136MHz to 174MHz
400MHz to 520MHz
Frequency Sub-bands
B2
B3
H1
H2
H3
136MHz to 156MHz
148MHz to 174MHz
400MHz to 440MHz
440MHz to 480MHz
470MHz to 520MHz
Type triple conversion superheterodyne; first conversion is
analogue, second is hybrid, and third is digital
Frequency Increments
B Band
H Band
3.125kHz and 2.5kHz
5kHz and 6.25kHz
Switching Range >2% of the centre frequency*
*e.g. ±1.36MHz from the centre frequency at 136MHz,
±4MHz from the centre frequency at 400MHz, or ±5.2MHz
from the centre frequency at 520MHz
Input Load Impedance 50Ω nominal (VSWR <2:1)
RF Input Protection no degradation after 5 minutes exposure to on-channel
signals at +20dBm (2.2V)
Frequency Stability ±1ppm –30°C to +60°C (–22°F to +140°F)
RSSI –120dBm to –60dBm (0.22µV to 223.6µV), 0.5V to
6V, programmable slope
IF Stages - B Band
Frequencies
Analogue
Digital
Analogue IF Bandwidths
Narrow Bandwidth
Wide Bandwidth
Digital IF Bandwidths
Narrow Bandwidth
Wide Bandwidth
16.9MHz
16.9MHz and 0Hz
9kHz, –3dB
20kHz, –3dB
8.8kHz, –3dB
14.0kHz, –3dB
H4 380MHz to 420MHz