7.receiving TV sound:
The fundamental difference between TV and FM radio is that the
sound is an odd multiple of 50KHZ. Below are the audio points of
several countries.
Special note: television sound for FM frequencies, radio interference
of the environment influence is bigger, and have a strong regional,
transmission distance limitations compared with other frequency
bands, adjacent region or city coverage often large difference.
TV SOUND
（MHZ）
Channel 1
Channel2
Channel3
Channel4
Channel5
Channel6
Channel7
Channel8
Channel9
Channel10
Channel11
Channel12
56.25
64.25
72.25
83.75
91.75
174.75
182.75
190.75
198.75
206.75
214.75
222.75
---
59.75
65.75
71.75
81.75
87.75
---
---
---
---
---
---
62.75
69.75
91.75
100.75
107.75
180.75
---
---
---
---
---
---
50.75
60.75
67.75
180.75
187.75
194.75
---
---
---
---
---
---
53.75
60.75
67.75
180.75
187.75
194.75
---
---
---
---
---
---
59.25
67.75
87.75
180.75
188.75
197.75
---
---
---
---
---
---
46.75
53.75
60.75
67.75
180.75
187.75
---
---
---
---
---
---
Some national TV audio channels
China
United
States
Australia
New
Zealand
Indo-
nesia
Italy
CCIR
8.Main specification:
Frequency range
FM: 87.5-108MHz (100KHz STEP)
AM: 520-1720KHz
SW: 2.3-30MHz
CB: 25-28MHz
AIR:118-138MHz
VHF:30-223(FM-N/FM-W)
Product size：103x60x15mm
Receiving sensitivity
2uV
3uV/M
40dBuV
1uV SQ:1UV
2uV SQ:1UV
2uV
Technical index
9
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