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0 i- E* V& M+ c$ o客户要求如下,如果哪家工厂可以做,请和我联系 : V+ W$ K7 }1 G+ c' H
> The application that we have in mind is similar to others that we commonly
$ P0 Y. M$ z; `. v$ |2 z- j9 \> have. If we were to pay for FCC approval, we would want to use the modem
* n. r( I2 K. k2 B+ j> units in all similar applications under the same approval number. 7 s, j: M; ]8 y5 ?' B5 H7 u! T
> Therefore, we would like to be able to configure the units to a specific 2 r) q& }) K! E& v
> application. For the business that we do, this approach will yield more 2 e6 `6 l) D6 j: f9 J
> sales based on the same product and approval. We are interested in the
* }/ L; R& ?- k> following specifications: 6 ?8 {. L# I9 f
>
& a) i- ?. f) ^6 G4 i$ w5 X> - 2 inputs at the Transmitter with three possibilities; $ q \5 y4 l4 e* q
> 2 analog . R7 t9 `4 ?7 A6 E! Z! k0 O2 [8 F- l
> 2 digital
- c9 J' x' _. R. c3 S& }> 1 analog and 1 digital
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( O' O! u' |: j, n> - 2 outputs at the Receiver with three possibilities to match inputs 3 {7 J* i+ t$ J8 c4 q; e. N
>
! a2 P% Y! \9 u& l# C1 `! v> - Ability to configure/define analog Transmitter input ranges through ' Q7 H* p- F2 J- D9 _3 H' z) U( c; U
> simple programming method to correspond with full-range analog Receiver 7 A- ^$ ^0 I$ w- h" @9 k
> outputs (0 - full voltage). . c( H% ^. s- U9 ?* t: v
>
6 M8 {9 U# A( ^! r> - Ability to configure and set sample rates for the inputs. . E' D( L9 H. o% r
> / Y' M; y7 {3 O7 u2 x4 n$ R
> - Digital output on Transmitter that turns on during the sampling period. 6 F$ k9 F, R/ C
> 2 P) m1 \' m0 I* n
> - Ability to configure a power saving Sleep Mode in the Transmitter by * i* }: I, S$ d' i; x6 [
> both software control and input hardware control.
# B3 R0 X; O* `# ^>
: F; U5 L, e, I; ?/ ]> In order to configure the units, we would need a way to make the 2 b1 w- V* u Z3 w! g
> settings. This would preferably be from a computer terminal so that
: ~, u a ?9 p> configurations can be saved or easily duplicated for production volumes.
' s) _& O: w4 o* l d3 t4 i> The units should be small and compact with shielding, and able to mount ! O* H+ L# H: i" W
> to a printed circuit board with header connector.
N8 C0 t& C# ]; X( s+ L3 C* M! V> ; U! t7 u. V6 B) e$ j
> At this time, we are interested in samples of a pair of modems that
! \* `3 _/ D: }" k. R> might be similar to this proposed system. We do not expect that you
6 V# B" N7 X& e n1 I6 g) N> provide all of these specifications at this time. I can describe our 6 M& @6 U0 C3 R: z! _
> immediate application needs in the next email if this project is of
* W/ p! |( i* V% T6 H6 b1 F" e> interest to you. Perhaps you can make the samples by those 9 i" c% E- e% Q R1 B$ G t" u" A% i& O
> specifications. This will allow us to test your radios before we move U7 K& o7 S& x- l
> forward. We are interested in your 900MHz radio to start. 4 y2 q3 f' C) }0 R) o8 H. N
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