Description
ad4d digital receiver:
frequency range: 640-690mhz
maximum number of channels: 300
bandwidth: 50mhz
receiving sensitivity: -105dbm
s/n ratio: >70db(a)
distortion: external power supply: dc: 12-17v, 1a,
oscillation mode: pll phase locked loop
if frequency: first if: 110mhz, second if: 10.7mhz
antenna interface: tnc
display mode: lcd
sensitivity: -100dbm (40db s/n)
spurious suppression: >80db
audio output: unbalanced: +4db (1.25v)/5kω
balance: +10db(1.5v)/600ω
supply voltage: dc12v supply current: 450ma
digital handheld transmitter:
frequency range: 640-690mhz
bandwidth: 50mhz
harmonic suppression: >55dbc
maximum frequency deviation: +_48khz
frequency response: 40hz-16khz (-3db)
s/n ratio:>70db(a) distortion:power requirements: 2 aa type 1.5v batteries)