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High Frequency Microwave Circuit Board

1,What is a High frequency board?

Relatively high frequency generally refers to the frequency of the frequency of more than 300MHz (namely, the wavelength is less than 1m), which refers to the usual radio frequency band. And the electromagnetic waves that are more than 1GHz are called microwaves.

2,The frequency of wireless applications.
(1),A typical use for wireless applications:
(2),Current mobile: 0.9GHz - 2GHz.
(3),3 g systems: 2.5 GHz
(4),Bluetooth: 2.5 GHz
(5),GPS: 12.6 GHz

(6),Automotive: 77 GHz

3,High frequency (microwave) circuit board production type.

(1),Single and double panels.

(2),Multilayer board, mixed structure.

(3),High-performance special plate +PP sheet + ordinary performance sheet +PP laminated structure board.

(4),High-frequency base material + common FR4 base material mixed type multilayer board.

(5),High-frequency base material + metal base printing plate.

4. The application range of high-frequency microwave plate:

Power splitter, coupler, circuit breaker, amplifier, dry release, base station, 3G antenna, satellite receivers, base antenna, microwave transmission, car phones, global positioning system (GPS), satellite communications, communications equipment adapter, receiver, signal generator, household appliances, networking, high-speed computer operation, oscilloscope, IC test instrument, etc., high frequency communications, high-speed transmission, high confidentiality, high transmission quality of communication and computer domains such as memory capacity, high processing

5. Type and brand of high-frequency board materials:
Domestic board: F4B (Wangling, Taixing)
Imported materials: Rogers, TACONIC, ARLON, tp-2, high-frequency microwave PTFE circuit board, Teflon, PTFE.

6. Material parameters and models:
Rogers 4000 series: RO4350B/RO4003C.
Thickness: 0.2mm, 0.254mm, 0.308mm, 0.508mm, 0.762mm, 0.813mm, 1.524mm.
Rogers material model:
RO4003C RO4350B, RO4360 RO4533, RO4535, RO4730, RO4232, RO4233, RO3003, RO3006, RO3010, RO3035, RO3203, RO3206, RO3210, RO3730, RO5780, RO5880, RO6002, RO3202, RO6006

TLY - 5 a, TLY - 5, TLY - 3, HT1.5, TLX - 0, TLX - 9, TLX - 8, TLX - 7, TLX - 6, TLC - 27, TLE - 95, TLC - 30, TPG - 30, TLG - 30, 30, the RF - TSM - 30, TLC - 32, TPG32, TLG - 32, 34, TLG - TPG35, TLG - 35, 35, the RF - RF - 35 a, the RF - 35 p, the RF - 41, 43, the RF - RF - 45, 60 a, the RF - CER - 10

AD255C03099 AD255C06099, AD255C04099 AD300C03099, AD300C04099, AD300C06009, TC600, AD250C02055C, TC350, MCG300CG, DCL220, CUCLAD217LX, CUCLAD250GX, ARLON55NT

Wangling, Taixing high frequency board:
F4BK225 F4BK265, F4BK300 F4BK350, F4BM220, F4BM255, F4BM265, F4BM300, F4BM350

7. Suggestions for high-frequency materials designed by PCB (as shown in the figure)
(1) PCB below 1GHz can be selected with FR4, low cost, and multi-layer pressing plate technology.
(2) working in more than 622 MB/s optical fiber communication products and more than 1 g the following 3 GHz, can choose modified epoxy resin material, because of its dielectric constant is stable, low cost, multi-layer pressure plate process is the same as FR4.
(3) the large signal under 3 GHz microwave circuits such as power amplifier and low noise amplifier suggest using the similar RO4350 plank, RO4350 fairly stable dielectric constant and loss factor is lower, good heat resistant properties, processing technology, and FR4.
(4) more than 10 GHz microwave circuit, such as power amplifier, low noise amplifier, upper and lower frequency converter on the plate more demanding, suggested selecting similar PTFE sheet (such as the United States/European multi-purpose), or FR4 and high-frequency plate laminated composite adhesive of low cost, high performance.

8. Advantages of production:
(1). Imported raw materials
(2). Complete surface treatment equipment (silver, tin, OSP, tin, gilding, thick gold, tin, silver, nickel-plated)
(3). 3mil/3mil minimum line width, impedance tolerance control at +/-8%, PTH aperture tolerance +/-0.05mm, drilling accuracy +/-0.05mm.
(4). Mixing technology: FR4+PTFE,FR4+408HR,FR4+ROGERS.
(5). Strict quality control system (IPC standard, PDCA cycle process, imported DIONEX ICS-900) and temperature cycle test.

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