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75T202-IP
75T202-IP - Brand New TDK Corporation IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
DESCRIPTION
The 75T204 is a complete Dual-Tone Multifrequency (DTMF) receiver that detects
16 standard digits. No front-end pre-filtering is needed. The only external
components required are an inexpensive 3.58-MHz television “colorburst”
crystal for frequency reference and a bias resistor. An Alternate Time Base
(ATB)
is provided to permit operation of up to 10 75T204's from a single crystal.
The 75T204 employs state-of
the-art "switched-capacitor" filter technology, resulting in approximately 40
poles of filtering, and digital circuitry on the same CMOS chip. The analog
input signal is pre-processed by 60-Hz reject and band split filters and then
zero-cross detected to provide AGC.
FEATURES
· Intended for applications with less requirements than the 75T202/75T203
· 14-pin plastic DIP or 16-pin SO package for high system density
· NO front-end band-splitting filters required
· Single low-tolerance 5-volt supply
· Detects all 16 standard DTMF digits.
· Uses an inexpensive 3.579545-MHz crystal
· Excellent speech immunity
· Output in 4-bit hexadecimal code
· Three-state outputs for microprocessor interface
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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