|
|
9 L* _, S: Q) _# r& G, R3 o# q
客户要求如下,如果哪家工厂可以做,请和我联系 ( w, n* p* r0 l
> The application that we have in mind is similar to others that we commonly
6 @: y1 a1 o2 ?: H> have. If we were to pay for FCC approval, we would want to use the modem
$ |3 ~1 a6 a% N& `8 r$ Z> units in all similar applications under the same approval number.
_. g: Q1 E* s6 i/ X> Therefore, we would like to be able to configure the units to a specific 0 Y& m* |8 {; Z0 n
> application. For the business that we do, this approach will yield more
' I$ r& k; O& M- m T0 a> sales based on the same product and approval. We are interested in the 7 I# F9 n* S" U8 h. u" d
> following specifications: , I' T: f. s4 c; O* k
> # g1 T! e9 o) n& k3 G: C3 ?/ Z
> - 2 inputs at the Transmitter with three possibilities; 6 g' f7 L1 O. Y( t
> 2 analog
: U5 M) c, p( x( X4 J& \2 a> 2 digital : i' m% F# E1 g
> 1 analog and 1 digital 4 Q* {0 r2 q, v
>
9 U8 x! E9 `3 r1 G/ {' G. \3 l; @# P) ]> - 2 outputs at the Receiver with three possibilities to match inputs
5 [5 i" `8 h# c0 _; ~. M! m> L; D( L! J0 V8 A; j* W& Y! y
> - Ability to configure/define analog Transmitter input ranges through
0 T7 a5 c0 u$ f1 B9 H; c. W1 C: D> simple programming method to correspond with full-range analog Receiver 2 t( Y! J8 u5 [# t
> outputs (0 - full voltage).
0 u3 G, l! e8 X @& r% x7 J, S>
, u0 T; L" p* d9 d( S! X6 ^; L> - Ability to configure and set sample rates for the inputs. 2 v% P; Z' W" R, z
> 2 t. |% k5 E! c- ~9 w' J
> - Digital output on Transmitter that turns on during the sampling period. v, H4 p$ u- B4 q) m
> % O9 f* `7 F9 H% x
> - Ability to configure a power saving Sleep Mode in the Transmitter by 7 b, c% I) r* ]% n# Y0 O' m& N
> both software control and input hardware control. ' O% o" ?/ [1 V* K9 D9 w7 h# C: B% }
> ! y. j2 y3 q: A4 { Z4 _
> In order to configure the units, we would need a way to make the 2 A: Z: D) w( p* ?
> settings. This would preferably be from a computer terminal so that # O' U" C. s2 S P" f( q/ t
> configurations can be saved or easily duplicated for production volumes.
. K% a( o7 z, T5 l> The units should be small and compact with shielding, and able to mount + J4 }8 h- f0 k$ k
> to a printed circuit board with header connector. 6 }2 ]" z' Z) r- v% g4 p9 @
>
4 ?# {% a7 _6 @" x P> At this time, we are interested in samples of a pair of modems that ) N4 X* k/ z, o5 w) C' Z
> might be similar to this proposed system. We do not expect that you & V2 r: [. o) G
> provide all of these specifications at this time. I can describe our
_8 u1 ]- D; r O> immediate application needs in the next email if this project is of , T+ n, B9 O. Z' ^3 O- I) |/ r
> interest to you. Perhaps you can make the samples by those 4 Z4 l4 D! I- i
> specifications. This will allow us to test your radios before we move
\0 O. }; _% z6 V3 u" D1 w. t8 K> forward. We are interested in your 900MHz radio to start. ( }7 M' k+ Y# l/ Z
|
|