• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
06.5.15
Filters for Communication Equipment
o
GSM850/GSM1900 Dual Band
2.5±0.1
Dot Marking (ø0.3)
M
3.0±0.2
2.0±0.1
Dot Marking (ø0.4)
M
R4-0.15
2.5±0.2
(0.44)
∗
∗
0.6 max.
4-1.50±0.15
8-0.40±0.05
4-0.50±0.10
Marking : Laser Printing
∗
: EIAJ Code
Pin
(1) : Input
(4) : Input
(8)(9) : Output
(6)(7) : Output
Others : Ground
(in mm)
(0.40) R0.12
2-0.50±0.10
Marking : Laser Printing
∗
: EIAJ Code
2-0.35±0.05
0.9 max.
(0.2)
(0.19)
(C0.15)
(1) (2) (3) (4)
2-0.70±0.05
(10)
4-0.35±0.05
(1)
(8)
(7)
(2) (3)
(C0.3)
(5)
6-0.50±0.15
Pin
(1) : Input (Low-ch)
(3) : Input (High-ch)
(7) : Output (Low-ch)
(5) : Output (High-ch)
Others : Ground
(in mm)
SAWES881MCU2F00(881.5)
(5)
SAWSP881MGA0T00(881.5)
8-0.325±0.050
(9) (8) (7) (6)
6-0.35±0.05
(6)
6-0.60±0.15
4-0.65±0.10
2-0.50±0.10
(4)
(0.40)
Part Number
SAWES881MCU2F00(881.5)
SAWES881MCU2F00(1960)
SAWSP881MGA0T00(881.5)
SAWSP881MGA0T00(1960)
SAWSU881MCQ0T01(881.5)
SAWSU881MCQ0T01(1960)
Center
Frequency
(MHz)
881.5
1960
881.5
1960
881.5
1960
Insertion Loss
(dB)
2.1 max.
(869MHz~894MHz)
3.0 max.
(1930MHz~1990MHz)
2.9 max.
(869MHz~894MHz)
3.2 max.
(1930MHz~1990MHz)
3.0 max.
(869MHz~894MHz)
3.0 max.
(1930MHz~1990MHz)
Ripple (dB max.)
1.0
(869MHz~894MHz)
1.9
(1930MHz~1990MHz)
1.5
(869MHz~894MHz)
2.0
(1930MHz~1990MHz)
1.8
(869MHz~894MHz)
2.4
(1930MHz~1990MHz)
VSWR
1.9max.
(869MHz~894MHz)
2.4max.
(1930MHz~1990MHz)
2.0max.
(869MHz~894MHz)
2.4max.
(1930MHz~1990MHz)
2.0max.
(869MHz~894MHz)
2.2max.
(1930MHz~1990MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//68nH
150ohm//22nH
50ohm
50ohm
200ohm//56nH
7
200ohm//15nH
o
GSM900
1.35±0.05
1.05±0.05
Dot Marking
(ø0.3)
∗
Dot Marking
(ø0.3)
2.0±0.1
∗
1.4±0.1
0.6 max.
5-0.325±0.050
5-0.45±0.05
2-0.25±0.05
2-0.35±0.05
(0.075)
(0.075)
0.6 max.
(0.20)
(0.20)
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
SAFEB942MFL0F00
(0.05)
2-0.25±0.05
(5) (4)
SAFED942MFM0F00
(0.075)
2-0.325±0.050
(5) (4)
5-0.40±0.05
2-0.325±0.050
5-0.25±0.05
(in mm)
2-0.25±0.05
(in mm)
Part Number
SAFEB942MFL0F00
SAFED942MFM0F00
SAFEH942MFN0F00
SAFEF942MAL0F00
SAFSD942MFM0T00
SAFSD942MCL0T00
Center
Frequency
(MHz)
942.5
942.5
942.5
942.5
942.5
942.5
Insertion Loss
(dB)
2.7 max.
(925MHz~960MHz)
2.2 max.
(925MHz~960MHz)
2.7 max.
(925MHz~960MHz)
3.0 max.
(925MHz~960MHz)
3.2 max.
(925MHz~960MHz)
3.3 max.
(925MHz~960MHz)
Ripple (dB max.)
1.7
(925MHz~960MHz)
1.3
(925MHz~960MHz)
1.8
(925MHz~960MHz)
1.7
(925MHz~960MHz)
2.2
(925MHz~960MHz)
1.8
(925MHz~960MHz)
VSWR
2.0max.
(925MHz~960MHz)
2.1max.
(925MHz~960MHz)
2.0max.
(925MHz~960MHz)
2.1max.
(925MHz~960MHz)
2.3max.
(925MHz~960MHz)
2.0max.
(925MHz~960MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//82nH
150ohm//82nH
150ohm//82nH
50ohm
200ohm//82nH
50ohm
Continued on the following page.
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
06.5.15
Filters for Communication Equipment
Filters for Communication Equipment
Continued from the preceding page.
Part Number
SAFSE942MAL0T05
Center
Frequency
(MHz)
942.5
Insertion Loss
(dB)
3.2 max.
(925MHz~960MHz)
Ripple (dB max.)
2.0
(925MHz~960MHz)
VSWR
2.2max.
(925MHz~960MHz)
Input
Impedance
50ohm
Output
Impedance
50ohm
o
GSM900/GSM1800 Dual Band
2.0±0.1
∗
1.6±0.1
Dot Marking
(ø0.3)
2.5±0.1
Dot Marking (ø0.3)
M
∗
2.0±0.1
(0.20)
0.6 max.
8-0.325±0.050
2-0.26±0.05
2-0.35±0.05
0.45±0.05
(1) (2) (3) (4)
0.65±0.05
(C0.15) (10)
(C0.15)
(1) (2) (3) (4)
2-0.70±0.05
(10)
4-0.35±0.05
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(4) : Input
(8)(9) : Output
(6)(7) : Output
Others : Ground
(in mm)
8-0.40±0.05
(0.075)
0.6 max.
(0.2)
Marking : Laser Printing
∗
: EIAJ Code
Pin
(1) : Input
(4) : Input
(8)(9) : Output
(6)(7) : Output
Others : Ground
(in mm)
(5)
4-0.27±0.05
SAWEP942MCN0F00(942.5)
(0.075) (9) (8) (7) (6)
6-0.27±0.05
8-0.26±0.05
SAWES942MCQ0F00(942.5)
(5)
8-0.325±0.050
(9) (8) (7) (6)
6-0.35±0.05
Part Number
SAWEP942MCN0F00(942.5)
Center
Frequency
(MHz)
942.5
1842.5
942.5
1842.5
942.5
1842.5
942.5
1842.5
942.5
1842.5
942.5
1842.5
Insertion Loss
(dB)
2.3 max.
(925MHz~960MHz)
2.2 max.
(1805MHz~1880MHz)
2.9 max.
(925MHz~960MHz)
2.6 max.
(1805MHz~1880MHz)
2.8 max.
(925MHz~960MHz)
3.0 max.
(1805MHz~1880MHz)
2.9 max.
(925MHz~960MHz)
2.6 max.
(1805MHz~1880MHz)
3.0 max.
(925MHz~960MHz)
3.2 max.
(1805MHz~1880MHz)
3.2 max.
(925MHz~960MHz)
3.2 max.
(1805MHz~1880MHz)
Ripple (dB max.)
1.3
(925MHz~960MHz)
1.2
(1805MHz~1880MHz)
1.7
(925MHz~960MHz)
1.7
(1805MHz~1880MHz)
1.5
(925MHz~960MHz)
1.8
(1805MHz~1880MHz)
1.7
(925MHz~960MHz)
1.7
(1805MHz~1880MHz)
2.0
(925MHz~960MHz)
2.0
(1805MHz~1880MHz)
2.2
(925MHz~960MHz)
2.2
(1805MHz~1880MHz)
VSWR
2.1max.
(925MHz~960MHz)
2.2max.
(1805MHz~1880MHz)
2.2max.
(925MHz~960MHz)
2.4max.
(1805MHz~1880MHz)
2.0max.
(925MHz~960MHz)
2.2max.
(1805MHz~1880MHz)
2.2max.
(925MHz~960MHz)
2.4max.
(1805MHz~1880MHz)
2.5max.
(925MHz~960MHz)
2.5max.
(1805MHz~1880MHz)
2.4max.
(925MHz~960MHz)
2.5max.
(1805MHz~1880MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//82nH
150ohm//15nH
150ohm//56nH
150ohm//15nH
150ohm//56nH
150ohm//18nH
150ohm//56nH
150ohm//15nH
50ohm
50ohm
200ohm//47nH
200ohm//16nH
7
Filters for Communication Equipment
SAWEP942MCN0F00(1842.5)
SAWES942MCQ0F00(942.5)
SAWES942MCQ0F00(1842.5)
SAWES942MCM0F00(942.5)
SAWES942MCM0F00(1842.5)
SAWES942MCQ0F05(942.5)
SAWES942MCQ0F05(1842.5)
SAWSP942MLD0T00(942.5)
SAWSP942MLD0T00(1842.5)
SAWSU942MCS0T01(942.5)
SAWSU942MCS0T01(1842.5)
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
06.5.15
Filters for Communication Equipment
o
GSM1800
1.35±0.05
1.05±0.05
Dot Marking
(ø0.3)
∗
Dot Marking
(ø0.3)
2.0±0.1
∗
1.4±0.1
0.6 max.
5-0.325±0.050
5-0.45±0.05
2-0.25±0.05
2-0.35±0.05
(0.075)
(0.075)
0.6 max.
(0.20)
(0.20)
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
SAFEB1G84FA0F00
(0.05)
2-0.25±0.05
(5) (4)
SAFED1G84FB0F00
(0.075)
2-0.325±0.050
(5) (4)
5-0.40±0.05
2-0.325±0.050
5-0.25±0.05
(in mm)
2-0.25±0.05
(in mm)
Part Number
SAFEB1G84FA0F00
SAFED1G84FB0F00
SAFEH1G84FB0F00
SAFEF1G84AA0F00
SAFSE1G84KA0T00
SAFSD1G84FA0T00
SAFSD1G84CB0T00
SAFCC1G74KA0T00
Center
Frequency
(MHz)
1842.5
1842.5
1842.5
1842.5
1842.5
1842.5
1842.5
1747.5
Insertion Loss
(dB)
2.5 max.
(1805~1880MHz)
2.0 max.
(1805~1880MHz)
2.5 max.
(1805~1880MHz)
2.8 max.
(1805~1880MHz)
3.2 max.
(1805~1880MHz)
3.0 max.
(1805~1880MHz)
3.8 max.
(1805~1880MHz)
4.2 max.
(1710MHz~1785MHz)
Ripple (dB max.)
1.5
(1805MHz~1880MHz)
1.3
(1805MHz~1880MHz)
1.5
(1805MHz~1880MHz)
1.7
(1805MHz~1880MHz)
2.2
(1805MHz~1880MHz)
2.0
(1805MHz~1880MHz)
2.0
(1805MHz~1880MHz)
2.6
(1710MHz~1785MHz)
VSWR
2.2max.
(1805MHz~1880MHz)
2.5max.
(1805MHz~1880MHz)
2.2max.
(1805MHz~1880MHz)
2.2max.
(1805MHz~1880MHz)
2.8max.
(1805MHz~1880MHz)
2.7max.
(1805MHz~1880MHz)
2.7max.
(1805MHz~1880MHz)
2.5max.
(1710MHz~1785MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//18nH
150ohm//18nH
150ohm//18nH
50ohm
50ohm
7
200ohm//27nH
50ohm
50ohm
o
GSM1800/GSM1900 Dual Band
2.0±0.1
∗
1.6±0.1
Dot Marking
(ø0.3)
2.5±0.1
Dot Marking (ø0.3)
M
∗
(0.20)
0.6 max.
8-0.325±0.050
2-0.26±0.05
2-0.35±0.05
0.45±0.05
(1) (2) (3) (4)
0.65±0.05
(C0.15) (10)
(C0.15)
(1) (2) (3) (4)
2-0.70±0.05
(10)
4-0.35±0.05
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(4) : Input
(8)(9) : Output
(6)(7) : Output
Others : Ground
(in mm)
8-0.40±0.05
(0.075)
0.6 max.
(0.2)
Marking : Laser Printing
∗
: EIAJ Code
Pin
(1) : Input
(4) : Input
(8)(9) : Output
(6)(7) : Output
Others : Ground
(in mm)
(5)
4-0.27±0.05
SAWEP1G84CQ0F00(1960)
(0.075) (9) (8) (7) (6)
6-0.27±0.05
8-0.26±0.05
SAWES1G84CQ0F00(1960)
(5)
8-0.325±0.050
(9) (8) (7) (6)
6-0.35±0.05
Part Number
SAWEP1G84CQ0F00(1842.5)
SAWEP1G84CQ0F00(1960)
SAWES1G84CQ0F00(1842.5)
SAWES1G84CQ0F00(1960)
Center
Frequency
(MHz)
1842.5
1960
1842.5
1960
Insertion Loss
(dB)
2.5 max.
(1805MHz~1880MHz)
2.6 max.
(1930MHz~1990MHz)
2.6 max.
(1805MHz~1880MHz)
3.0 max.
(1930MHz~1990MHz)
Ripple (dB max.)
1.5
(1805MHz~1880MHz)
1.8
(1930MHz~1990MHz)
1.7
(1805MHz~1880MHz)
1.9
(1930MHz~1990MHz)
VSWR
2.2max.
(1805MHz~1880MHz)
2.2max.
(1930MHz~1990MHz)
2.4max.
(1805MHz~1880MHz)
2.4max.
(1930MHz~1990MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//15nH
150ohm//18nH
150ohm//15nH
150ohm//22nH
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
06.5.15
Filters for Communication Equipment
2.0±0.1
Filters for Communication Equipment
o
GSM1900
1.35±0.05
1.05±0.05
Dot Marking
(ø0.3)
∗
Dot Marking
(ø0.3)
2.0±0.1
∗
1.4±0.1
0.6 max.
5-0.325±0.050
5-0.45±0.05
2-0.25±0.05
2-0.35±0.05
(0.075)
(0.075)
0.6 max.
(0.20)
(0.20)
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
SAFEB1G96FA0F00
(0.05)
2-0.25±0.05
(5) (4)
SAFED1G96FA0F00
(0.075)
2-0.325±0.050
(5) (4)
5-0.40±0.05
2-0.325±0.050
5-0.25±0.05
(in mm)
2-0.25±0.05
(in mm)
Part Number
SAFEB1G96FA0F00
SAFED1G96FA0F00
SAFEH1G96FB0F00
SAFEF1G96AA0F00
SAFSE1G96KD0T00
Center
Frequency
(MHz)
1960
1960
1960
1960
1960
1960
Insertion Loss
(dB)
2.6 max.
(1930~1990MHz)
2.9 max.
(1930~1990MHz)
2.6 max.
(1930~1990MHz)
2.8 max.
(1930~1990MHz)
3.0 max.
(1930~1990MHz)
3.0 max.
(1930~1990MHz)
Ripple (dB max.)
1.8
(1930MHz~1990MHz)
1.8
(1930MHz~1990MHz)
1.8
(1930MHz~1990MHz)
1.7
(1930MHz~1990MHz)
2.0
(1930MHz~1990MHz)
2.4
(1930MHz~1990MHz)
VSWR
2.2max.
(1930MHz~1990MHz)
2.4max.
(1930MHz~1990MHz)
2.2max.
(1930MHz~1990MHz)
2.4max.
(1930MHz~1990MHz)
2.5max.
(1930MHz~1990MHz)
2.4max.
(1930MHz~1990MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
150ohm//27nH
150ohm//18nH
150ohm//22nH
50ohm
50ohm
200ohm//22nH
7
Filters for Communication Equipment
SAFSD1G96FB0T00
o
J-CDMA
1.35±0.05
1.05±0.05
Dot Marking
(ø0.3)
∗
Dot Marking (ø0.3)
2.0±0.1
M
∗
1.6±0.1
5-0.325±0.050
0.6 max.
2-0.25±0.05
6-0.40±0.05
0.6 max.
(0.20)
(0.20)
2-0.65±0.05
(0.075)
(2) (3)
(1)
Marking : Laser Printing
∗
: EIAJ Code
(1) : Input
(3)(4) : Output
Others : Ground
(C0.15)
(1) (2) (3)
(0.075)
Marking : Laser Printing
∗
: EIAJ Code
SAFEB911MAL0F00
(0.05)
2-0.25±0.05
(5) (4)
SAFEF906MAM0F00
(0.075)
(6) (5) (4)
4-0.363±0.050
6-0.375±0.050
5-0.25±0.05
(in mm)
(2) : Input
(4)(6) : Output
Others : Ground
(in mm)
2-0.25±0.05
Part Number
SAFEB911MAL0F00
SAFEB856MCM0F00
SAFEC851MCL0F00
SAFEF906MAM0F00
SAFSE906MAM0T00
SAFSE851MKB0T00
Center
Frequency
(MHz)
911.5
856.5
851
906
906
851
Insertion Loss
(dB)
2.2 max.
(898MHz~925MHz)
2.2 max.
(843MHz~870MHz)
2.8 max.
(832MHz~870MHz)
3.2 max.
(887MHz~925MHz)
4.0 max.
(887MHz~925MHz)
3.4 max.
(832MHz~870MHz)
Ripple (dB max.)
1.2
(898MHz~925MHz)
1.2
(843MHz~870MHz)
1.7
(832MHz~870MHz)
1.5
(887MHz~925MHz)
2.5
(887MHz~925MHz)
2.5
(832MHz~870MHz)
VSWR
2.0max.
(898MHz~925MHz)
2.0max.
(843MHz~870MHz)
2.5max.
(832MHz~870MHz)
2.4max.
(887MHz~925MHz)
2.4max.
(887MHz~925MHz)
2.2max.
(832MHz~870MHz)
Input
Impedance
50ohm
50ohm
50ohm
50ohm
50ohm
50ohm
Output
Impedance
50ohm
100ohm
100ohm//56nH
50ohm
50ohm
50ohm
Continued on the following page.
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
sales representatives or product engineers before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
[size=4]Hey, this was sent by NXP this morning. It was just taken away by the weirdo from STO Express. Please check it. [/size][b][size=5][url=https://bbs.eeworld.com.cn/express/]The top 10 winners, c...
Do you know about 5G NR? If you know, please share your experience here. If you don’t, please read what I know.
5G NR is rooted in 4G LTE (Long Term Evolution) and Wi-Fi standards and is a new RF inte...
The requirements for outsourcing the upper computer software used to calibrate the pressure transmitter are as follows: 1. Support temperature compensation, the compensation range is -10℃-70℃; 2. The ...
I have a problem. I added hive components and drivers to the pb. After compiling, ce cannot start, and the hyperterminal cannot display Real timings. After deleting and recompiling, everything is norm...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
On Sunday, the South Australian government unveiled plans to build the world's largest virtual power plant, which will connect at least 50,000 homes over four years and have a capacity ...[Details]
Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
DMA: 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
Single-chip microcomputer experiment design: It is required to use 8951 series single-chip microcomputer, design a pulse generator with a pulse width duty cycle of 50%, 25% adjustable, and a period o...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]