|
|
) T/ P! F: y; b- G1 p f6 l
客户要求如下,如果哪家工厂可以做,请和我联系 # E; g8 k* J9 Y+ d
> The application that we have in mind is similar to others that we commonly ' F" i- r6 T6 O
> have. If we were to pay for FCC approval, we would want to use the modem
& \, N9 j- n) `+ s> units in all similar applications under the same approval number. D1 z6 O S& o9 n9 p9 |' X# W( L+ y
> Therefore, we would like to be able to configure the units to a specific
" ~+ ?* U+ H* _( i: L) R# e! f! \( a> application. For the business that we do, this approach will yield more ( Z& }: |6 {0 p1 H
> sales based on the same product and approval. We are interested in the
( e, w- X& J- s6 b; _( \> following specifications: ! l; }$ |" N/ R, K* D' h. Z
>
0 n* I8 {/ F9 w+ A; n T5 ^> - 2 inputs at the Transmitter with three possibilities; R9 p$ m9 _1 @3 e
> 2 analog - s# j# v' M9 x. r
> 2 digital
4 `% f3 w- X; b, `$ J- R( ?> 1 analog and 1 digital
4 Y; t1 m9 h1 Y/ X3 ^0 ~4 O> $ @' [: L$ t Z1 i% \6 r
> - 2 outputs at the Receiver with three possibilities to match inputs
, Z0 b' U$ b/ S g4 d& m>
1 P( z. _4 o4 ?4 B> - Ability to configure/define analog Transmitter input ranges through
, b" b* q& x( S& I, o> simple programming method to correspond with full-range analog Receiver
8 Q: c+ N/ @/ u> outputs (0 - full voltage).
* ?7 p) Y$ ^- d0 y& @( l6 l> ( S# z6 C! I! t8 V( Q+ Q/ Y6 f
> - Ability to configure and set sample rates for the inputs.
$ X* Z1 F1 n. D( e>
# I2 d! k# R1 s4 w ~5 A> - Digital output on Transmitter that turns on during the sampling period. 2 z3 @6 T& r' H- h7 Z- F# R) u! g
> 1 V2 F5 F. G+ }: q3 J! B
> - Ability to configure a power saving Sleep Mode in the Transmitter by
# g' D3 F5 O4 }- I' Z. K0 z> both software control and input hardware control. " p& Y1 ^$ m* q, u5 o$ Q0 b7 m
> 0 Z, z! o4 U H0 s1 L. A
> In order to configure the units, we would need a way to make the
' [+ V3 b, W; N! [) F$ L$ v, y> settings. This would preferably be from a computer terminal so that 0 F' c0 H3 ]$ M) G9 M1 J' g
> configurations can be saved or easily duplicated for production volumes.
0 k% c& U6 ^3 \! Z f( W0 s> The units should be small and compact with shielding, and able to mount + C9 B& ^2 W% Q
> to a printed circuit board with header connector.
% ^1 ^( \. E" G, N+ o7 A7 z/ k5 y>
7 ~ E( A' H( ?; [; F> At this time, we are interested in samples of a pair of modems that : @: Q5 s. {3 a4 V8 D# @! m
> might be similar to this proposed system. We do not expect that you ! ~' u9 O+ z# |8 Z: j- e
> provide all of these specifications at this time. I can describe our 0 _+ p7 e7 o) R9 }/ q4 ]
> immediate application needs in the next email if this project is of
, Y: e% ~+ ~" J9 y. V8 [4 {> interest to you. Perhaps you can make the samples by those
6 ^( l0 ]: D; I+ R" j# R& k& _. T' L! U> specifications. This will allow us to test your radios before we move " P* {9 d: C; a. r
> forward. We are interested in your 900MHz radio to start.
- v- O' c# _7 D, _9 K* v |
|