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9 [, z% M9 B; E% L( t% \客户要求如下,如果哪家工厂可以做,请和我联系 0 D* M3 R1 N2 o l' Q% f
> The application that we have in mind is similar to others that we commonly
5 j- ?5 j% @2 L) R; V5 g1 \> have. If we were to pay for FCC approval, we would want to use the modem 4 |# C a J5 G/ t- m! E' T+ @
> units in all similar applications under the same approval number. * a+ H" S6 D3 R
> Therefore, we would like to be able to configure the units to a specific # h0 Y( @! ?& S+ [7 y
> application. For the business that we do, this approach will yield more
+ R7 Z3 v+ h' n! k) Q# y& g- c! }> sales based on the same product and approval. We are interested in the
* d6 n% f3 ?$ \$ V/ `> following specifications: * Y$ u' E' k) q O
>
# q) b% a0 S4 J> - 2 inputs at the Transmitter with three possibilities; 1 Z/ O, a q3 w) d8 [6 y9 X
> 2 analog
. Q7 M6 m( r; d0 K+ e% X {> 2 digital
. y" `' D% x& r9 \, i> 1 analog and 1 digital . T7 \/ W9 W" o0 N; Y8 b9 Z* c
> ) A* V" W2 ^/ Q- ~
> - 2 outputs at the Receiver with three possibilities to match inputs & {% Z( l. ^& s. U' ]
>
6 {+ D Z* c' S, W" c$ b! n> - Ability to configure/define analog Transmitter input ranges through 7 y. d6 m% H& M: V
> simple programming method to correspond with full-range analog Receiver ! i0 Z( \2 a& S: B; X7 i/ n7 ]. k
> outputs (0 - full voltage). . ~4 ~% e! p5 I, A* S
>
7 C2 Z9 C! O. q& ~/ v: v0 B8 U> - Ability to configure and set sample rates for the inputs.
2 U" d' v$ k2 S b% V% [. x* e>
# ?. W; B1 e- C) T6 A( Q> - Digital output on Transmitter that turns on during the sampling period. % |2 V, e& Q# Q8 i$ x
>
* p: s6 A5 f5 C& G9 L> - Ability to configure a power saving Sleep Mode in the Transmitter by 5 [4 y+ y: F U0 t6 q
> both software control and input hardware control.
! o& ?" m; ]% Y; K> ) |' x4 s* \1 X0 s* q4 {+ ]
> In order to configure the units, we would need a way to make the
_: y' q L! R1 s5 g) |> settings. This would preferably be from a computer terminal so that . ?! B( q3 ^ r1 N. r3 D+ e' l, J
> configurations can be saved or easily duplicated for production volumes. ; g a9 r! O; C% K- k# V
> The units should be small and compact with shielding, and able to mount
3 k% e. G' K$ y> to a printed circuit board with header connector.
5 C5 g Z7 O& F5 I' n. E> & Y* Q5 r- K1 X8 i6 V5 g6 p
> At this time, we are interested in samples of a pair of modems that
2 ^) w: ~0 J1 M7 X4 x# q @3 A> might be similar to this proposed system. We do not expect that you
8 t# b6 L/ L8 K' a: ?; V% M8 a; z D> provide all of these specifications at this time. I can describe our I: Z/ j1 X$ p4 m$ V) L0 S
> immediate application needs in the next email if this project is of ; g7 v' Z" y( E. W- ]
> interest to you. Perhaps you can make the samples by those " C, ~9 R1 Y2 p3 ^" M9 b2 E
> specifications. This will allow us to test your radios before we move 2 `1 S8 W6 j' ^
> forward. We are interested in your 900MHz radio to start. % P/ ]* v: F: M1 J
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