|
|
" G3 @: f4 n( q" m; L6 v
客户要求如下,如果哪家工厂可以做,请和我联系
' T4 I% N% |9 U/ ]6 j0 m> The application that we have in mind is similar to others that we commonly
) s' I O4 N: }- g3 q( t> have. If we were to pay for FCC approval, we would want to use the modem
, W$ y+ F' e4 W$ c0 e! \> units in all similar applications under the same approval number.
$ S t& w! w3 e> Therefore, we would like to be able to configure the units to a specific 4 G2 J7 o% y7 J, N: R
> application. For the business that we do, this approach will yield more # R' U) \1 `/ s6 d
> sales based on the same product and approval. We are interested in the
3 R& |* I& |; B5 F& u> following specifications: * z, M' f1 I0 `
> 7 z$ q# H% _& Q% H) d
> - 2 inputs at the Transmitter with three possibilities;
# Y; V# b- v; k* Q E> 2 analog
& }$ U" I. Y2 C# ^6 l/ E> 2 digital # r& o5 V0 h' E% V
> 1 analog and 1 digital
0 @: T& Y P0 H0 l9 a> % \3 j) o- B- i0 ~3 F
> - 2 outputs at the Receiver with three possibilities to match inputs , q# V) o( S- G0 m) `& n
>
[3 ]$ h$ a( b+ ~# f! @> - Ability to configure/define analog Transmitter input ranges through ; q- J% X! w) P9 }
> simple programming method to correspond with full-range analog Receiver # r4 |% P1 x+ F% x1 o
> outputs (0 - full voltage). _. c' m: P' O0 o7 Y
>
4 y ? X+ F* p8 g> - Ability to configure and set sample rates for the inputs. 9 }$ |; W& V) Z. U
> ; H- m& B; i& w1 z2 \! _
> - Digital output on Transmitter that turns on during the sampling period. ) L! W, D3 s" {$ k$ O. Z0 @4 m/ F G
> - D: a# c8 t- \: J7 g
> - Ability to configure a power saving Sleep Mode in the Transmitter by
* _2 K, r! K' b5 D1 K& x1 h# L> both software control and input hardware control.
( E f+ w+ q3 n% x& f }>
, Z) y _9 R! p ^4 S> In order to configure the units, we would need a way to make the
2 R& Q+ B" Y* z( L5 Z$ J> settings. This would preferably be from a computer terminal so that
: q: a! K9 ^, s> configurations can be saved or easily duplicated for production volumes. ( K V% D+ ^8 |% @; a! g4 D+ \
> The units should be small and compact with shielding, and able to mount 9 W$ C4 a, J# c2 M' W
> to a printed circuit board with header connector. 7 Y& P, A |: f; d. l
> + H; o3 `) |$ ^9 X6 p
> At this time, we are interested in samples of a pair of modems that N. w" r* C7 B
> might be similar to this proposed system. We do not expect that you / @3 t4 L! Z8 [' }
> provide all of these specifications at this time. I can describe our
! l7 i1 n O6 X" k s* V4 V) ^4 u> immediate application needs in the next email if this project is of / t! q8 h( R0 v& h8 u; L
> interest to you. Perhaps you can make the samples by those " l3 W) H" i n W2 ^. |
> specifications. This will allow us to test your radios before we move : H3 c ~) f8 V4 e1 k
> forward. We are interested in your 900MHz radio to start.
# i8 j1 @! d4 B6 `' @ |
|