|
|
& r' l7 j. S( A% H& f& N$ U$ i客户要求如下,如果哪家工厂可以做,请和我联系
! c7 h8 ]1 k: Y& Y M> The application that we have in mind is similar to others that we commonly
: T- f8 E: }8 y' y; t g> have. If we were to pay for FCC approval, we would want to use the modem
" o/ }6 h5 Y9 i8 X0 @0 n1 e" p> units in all similar applications under the same approval number. / \; R1 M( `1 h9 Y: Y
> Therefore, we would like to be able to configure the units to a specific
3 F5 x0 ^) k8 q+ S* Z/ B# q4 r> application. For the business that we do, this approach will yield more ; _9 ~1 ]- u# b9 F
> sales based on the same product and approval. We are interested in the & l0 V& j6 \3 ?* ^, l
> following specifications:
8 b/ K, G: h4 s+ f9 R>
* @" c! @. o) J& T. K> - 2 inputs at the Transmitter with three possibilities;
0 J; E5 i. C `% s> 2 analog
8 Y) o- D& X7 J! w* e0 p1 N; x> 2 digital $ v' K8 s, ?9 o7 j$ ~" P
> 1 analog and 1 digital 4 U2 U q/ M8 B. o
>
( M+ ~0 V& K0 ?0 f$ L9 Y> - 2 outputs at the Receiver with three possibilities to match inputs / K$ D4 A# ]# o6 r, M' H: _2 J
> . g: ~7 z& u7 J( ]& p
> - Ability to configure/define analog Transmitter input ranges through
1 U' D" B1 {+ ~# z& R u' Z5 [, b8 v> simple programming method to correspond with full-range analog Receiver 6 e# e- k5 B- V9 C' F d2 c1 [
> outputs (0 - full voltage).
+ B d5 T- ~4 X" u>
* j; J9 h _4 X4 v4 z: u [0 {6 N$ D> - Ability to configure and set sample rates for the inputs. P9 a$ c6 d1 K) D% S" `
> 6 M4 ^* P8 B# X- O. a4 G
> - Digital output on Transmitter that turns on during the sampling period.
( Y3 @0 C2 E7 ^& B, c7 U>
5 b0 d" O6 M+ S6 }/ W3 i> - Ability to configure a power saving Sleep Mode in the Transmitter by
% x; U9 C8 l$ P> both software control and input hardware control. ' Y3 J3 v/ \* S# R) m5 o+ C
>
5 T& v( u" @4 T3 c> In order to configure the units, we would need a way to make the
2 `) X$ } o# J> settings. This would preferably be from a computer terminal so that
' l4 U. l" X( |# f! C% f% g> configurations can be saved or easily duplicated for production volumes.
& p: j4 Y8 O# ]5 x) y8 m> The units should be small and compact with shielding, and able to mount
& ?8 E8 m; S6 B( I; X> to a printed circuit board with header connector. 0 ~3 z% @4 O9 g z1 `7 v7 ]3 v9 Z
> + n3 e( B, n! Y( J: e9 i- C8 C) E
> At this time, we are interested in samples of a pair of modems that ' g' } n1 t9 c4 {2 r
> might be similar to this proposed system. We do not expect that you $ g8 D) G- I5 S4 L/ P
> provide all of these specifications at this time. I can describe our
( o' Y* v' S _( {7 c> immediate application needs in the next email if this project is of
' Q, S( e, K5 n/ H> interest to you. Perhaps you can make the samples by those ' ~# z1 R* B. E% H( v/ Y
> specifications. This will allow us to test your radios before we move 9 C0 S; s P1 X6 \
> forward. We are interested in your 900MHz radio to start.
" `1 _/ o3 L6 D `0 k |
|