Just as its name implies, high frequency is that the frequency is relatively high, generally refers to the frequency of >=300 MHz (i.e. wave length <=1m), that is, the usual radio frequency band. The electromagnetic wave of frequency >=1GHz is called microwave.
Typical frequencies for wireless applications:
* Current mobile: 0.9GHz - 2GHz
* 3G systems: 2.5GHz
* Bluetooth: 2.5GHz
* GPS: 12.6GHz
* LMDS: 24GHz and 40GHz
* Automotive: 77GHz
Market: RFID, Wireless communications, base station and antenna, amplifier, military products, consumer electronics.
High frequency printed circuit board or microwave PCB refers to the printed circuit board made on the high frequency (microwave) substrate copper clad plate. The common types are: Double-sided board, multilayer board and mixed structure.
Mixed structure includes high performance special substrate, PP sheet + ordinary performance board and PP sheet mixed pressing board; high frequency substrate + ordinary FR4 substrate; high frequency substrate + metal base etc.
PCB Case: High Frequency PCB | 10 mil RO4350B Circuit Board | Immersion Gold RF PCB
(Printed circuit boards are custom-made products, the picture and parameters shown are just for reference)
This is a type of double sided PCB built on 10mil RO4350B substrate with Tg 280°C for the application of Mobile Signal Booster. It's 0.3mm thick finished with white silkscreen over green solder mask and immersion gold are plated on pads. The base material is used from Rogers Corp., entire board supplying 1 up per panel. They're fabricated per IPC 6012 Class 2 using supplied Gerber data. Each 100 panels are packed for shipment.
Features and benefits
The dielectric constant (DK) is low and stable, so the signal transmission is good without delay;
The characteristic of low dielectric loss makes the signal loss at a lower level, which makes the signal transmission of the whole equipment excellent;
Low thermal coefficient of dielectric constant;
Low Z-Axis expansion;
SMT process is resistant to reflow soldering, resistant to rework;
Good oxidation resistance and good heat dissipation;
Meeting your PCB needs from prototype to mass production;
16000 square meter workshop;
Delivery on time: >98%
Customer complaint rate: <1%
RF transmitter, multi-coupler antenna, RF Identification, trunk amplifier
Parameter and data sheet
||120 x 75mm=1PCS
||Double sided PCB
|Number of Layers
|Surface Mount Components
|Through Hole Components
||copper ------- 18um(0.5 oz)+plate TOP layer
|copper ------- 18um(0.5oz) + plate BOT Layer
|Minimum Trace and Space:
||9 mil / 4 mil
|Minimum / Maximum Holes:
||0.25 mm / 1.0mm
|Number of Different Holes:
|Number of Drill Holes:
|Number of Milled Slots:
|Number of Internal Cutouts:
|Number of Gold finger:
||RO4350B Tg280℃, er<3.48, Rogers Corp.
|Final foil external:
|Final foil internal:
|Final height of PCB:
||0.3 mm ±0.1
|PLATING AND COATING
|Solder Mask Apply To:
||TOP and BOT 12micron Minimum
|Solder Mask Color:
||Green, PSR-2000GT600D, Taiyo Supplied.
|Solder Mask Type:
|Side of Component Legend
||TOP and BOT.
|Colour of Component Legend
||White, IJR-4000 MW300, Taiyo brand
|Manufacturer Name or Logo:
||Marked on the board in a conductor and leged FREE AREA
||Plated through hole(PTH), minimum size 0.25mm. Via tented.
||UL 94-V0 Approval MIN.
||100% Electrical Test prior shipment
|TYPE OF ARTWORK TO BE SUPPLIED
||email file, Gerber RS-274-X, PCBDOC etc
Based in China, Bicheng PCB adheres to the philosophy of helping small and medium sized companies reduce their cost and time spent on PCB. We provide a variety of PCB products to meet the demands.
Our Driving Circuit Boards Capabilities 2019
Blind vias, Buried vias
Heavy Copper Boards 12oz
High Tg, High CTI Material
Hybrid FR-4 and High Frequency Material
Impedance Controlled PCB
IPC Class 2, IPC Class 3
Lead Free PCB (RoHS Compliant)
Multilayer PCBs to 32+ copper layers boards
Metal Core PCB (MCPCB)
PCB Materials – FR-4, Polyimide, Rogers & More
RoHS Compliant PCB Manufacturer
Rigid Flex PCB
RF PCB / High Frequency PCB
Through-hole, BGA, Gold Finger, Edge dome
Via-in-pad, Filled vias
TS16949 (2009), ISO14001 (2004), ISO9001 (2008), UL certified
Focus on Prototypes, Small Batches, Volume Production
Quick turn-around, double sided PCB 24 hours available.
Door to door shipment service
Our Clients are located worldwide.
Australia: Perth, Melbourne, New South Wales, South Australia, West Australia
Austria: Breitenfurt bei Wien, Graz
Bangladesh: Purana Paltan
Belgium: Deinze, Hasselt
Brazil: Caxias do Sul
Canada: Quebec, Ontario, Vancouver
Czech: Pardubice, Horní Pocernice
France: Villeneuve La Garenne Cedex, Montchenu
Germany: Stuttgart, Garbsen, Hamburg, Altenburg, Velbert Kleinmachnow, Potsdam
Israel: Nettanya City, Ben-Gurion Airport, Tel Aviv, Yahud, Acre,
Italy: Peschiera Borromeo, Verona, Mezzocorona, Pietrasanta Lucca, Torino
Mexico: Leon Guanajuato
South Korea: Gyeonggi-DO
Sweden: Goteborg, Siljansns,
Thailand: Bangkok, Chonburi
Turkey: Ankara, Istanbul, Kocaeli
The Netherlands: Diemen
UK: Bristol, Surrey
USA: Connecticut, Alaska, New York City, Miami,, New Jersey, Texas, Colorado, Largo, California, Candler
Vietnam: HoChiMinh City