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$ q- H! T8 k% A: M* |客户要求如下,如果哪家工厂可以做,请和我联系
4 Q; Z6 k: z4 d7 ?& h/ @> The application that we have in mind is similar to others that we commonly
3 @* f1 J" j/ _9 \" C> have. If we were to pay for FCC approval, we would want to use the modem
3 r( K' t! Q& k" Z1 _> units in all similar applications under the same approval number. # M1 u$ G8 b# Y1 G
> Therefore, we would like to be able to configure the units to a specific
$ [% A" j0 M; i8 j& H& b> application. For the business that we do, this approach will yield more
$ L+ @- _& V' c Q$ V6 X. p> sales based on the same product and approval. We are interested in the
0 L% E& Y( Z5 ^/ f* T( v> following specifications: ; G6 a0 ]1 R0 o: b# R1 h' p
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8 U/ h: G! q) w* {$ T> - 2 inputs at the Transmitter with three possibilities;
' h% C& X$ F8 I y# g/ W6 V Y$ l6 T> 2 analog 4 ?0 K l7 |3 {( }/ |1 P4 H
> 2 digital
! Q. H0 L" f9 F2 w0 a> 1 analog and 1 digital 7 s) q! O+ e' w1 n4 g/ F
> 6 }1 N, ?/ D2 D! H" s& i1 _: Y
> - 2 outputs at the Receiver with three possibilities to match inputs
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> - Ability to configure/define analog Transmitter input ranges through 8 x# l4 m1 S$ m- l5 I
> simple programming method to correspond with full-range analog Receiver
7 L% x z, `/ E i0 K> outputs (0 - full voltage). . t1 I7 q( Y+ o. |
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> - Ability to configure and set sample rates for the inputs. - } w9 Z* n3 a A8 T" u& h
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> - Digital output on Transmitter that turns on during the sampling period. , j# j' g( ~& T9 R' ]# k
>
R, k4 o; P. x/ G! e" H> - Ability to configure a power saving Sleep Mode in the Transmitter by
0 K F9 R$ H ]. y& W" `3 h- a/ [> both software control and input hardware control. 1 s9 S# |( b l8 V$ {" P
>
( J9 o* h1 J0 |5 m u# d& ^> In order to configure the units, we would need a way to make the 4 ^; `7 Z F# I+ c7 i$ U8 V9 b `7 H0 N
> settings. This would preferably be from a computer terminal so that $ U$ B! u1 g! J/ `% R+ T
> configurations can be saved or easily duplicated for production volumes. 7 V* V; J" ~# t7 @* ^
> The units should be small and compact with shielding, and able to mount + `1 J2 I- q8 H- Q
> to a printed circuit board with header connector.
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> At this time, we are interested in samples of a pair of modems that 3 k; L; d6 u% K$ ^* b
> might be similar to this proposed system. We do not expect that you
# F* @' f0 F1 c> provide all of these specifications at this time. I can describe our
0 K# L" p) d' i0 q> immediate application needs in the next email if this project is of , X4 ]" F+ O- g' K( k# C x
> interest to you. Perhaps you can make the samples by those ' L% E# |& G( ^/ M0 a1 j0 A+ B
> specifications. This will allow us to test your radios before we move
# h/ ~( ]6 D' C( x# A> forward. We are interested in your 900MHz radio to start.
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