1、 TIA-929-A-2009 APPROVED: DECEMBER 8, 2009 REAFFIRMED: OCTOBER 22, 2014 TIA-929-A (Revision of TIA-929) December 2009Terrestrial Land Mobile Radio - Antenna Systems - Standard Format for Digitized Filter Characteristics NOTICE TIA Engineering Standards and Publications are designed to serve the publ
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20、ED BY TIA WITHOUT SUCH LIMITATIONS. TIA-929-A ii Table of Contents DOCUMENT REVISION HISTORY . iii FOREWORD iv INTELLECTUAL PROPERTY RIGHTS v INTRODUCTION . vi 1 Scope . 3 2 References. 3 3 Definitions . 3 4 Requirements: ASCII Text Based Format . 3 4.1 General . 3 4.1.1 Overall Format 3 4.1.2 File
21、Naming . 4 4.2 The File Header 4 4.2.1 General . 4 4.2.2 File Header Record Characteristics 4 4.2.3 Record and Field parameters described . 5 4.3 Characteristics Data 9 4.3.1 General . 9 4.3.2 Data Header CONTACT MANUFACTURER”, as appropriate. 4.1.2 File Naming The filespec shall have a file extensi
22、on of “.FCD”, which stands for “filter characteristic data”. This standard does not specify a specific naming convention for the filename portion of the filespec; however, those who generate filter characteristic data are encouraged to include some reference to the model number and to the date the d
23、ata was taken. Because of compatibility issues, a filespec following the DOS 8.3 naming convention is encouraged, but is not required for compliance. 4.2 The File Header 4.2.1 General The file header consists of records that carry information not related to the devices characteristics data. 4.2.2 Fi
24、le Header Record Characteristics The header records to be used in digitized filter characteristics for the Terrestrial Land Mobile Radio Services are defined in Table 1. They are described in detail in the succeeding sub-clauses. Each header record begins with an abbreviated name field, ending in a
25、colon. If one or more data field follows the abbreviated name field, there is no field delimiter between the abbreviated name field and the first field following it. If there are two or more data fields, the comma (“,”) serves as a field delimiter. All data positions up to and including the decimal
26、point (if appropriate for the data type) shall be filled. Per-line comments may be added to any record. In any record, all data after a “!” character may be ignored. The record length, including the abbreviated record name but excluding the , shall not exceed the value specified in the Length column
27、. If the format is free form, then the record may be shorter than the maximum length, and shall be terminated with a carriage return and line feed characters. TIA-929-A 5 Table 1 File Header Record Characteristics Reqd? Field Name Length Abbreviated Descriptive (Char) Name Subclause x Standard Issue
28、 16 STDISS: 4.2.3.1 Comments1 80 COMNT1: 4.2.3.2 Comments2 80 COMNT2: 4.2.3.3 x Manufacturer 42 DEVMFR: 4.2.3.4 x Model Number 42 MODLNO: 4.2.3.5 x Device Type 31 DEVTYP: 4.2.3.6 x Date of Data 15 DTDATA: 4.2.3.7 x Lowest Tunable Frequency (MHz) 16 LOWFRQ: 4.2.3.8 x Highest Tunable Frequency (MHz) 1
29、6 HGHFRQ: 4.2.3.9 x Connector Type 1 22 CNTYP1: 4.2.3.10 Connector Type 2 22 CNTYP2: 4.2.3.10 Connector Type 3 22 CNTYP3: 4.2.3.10 Minimum Op Temp 16 LOTEMP: 4.2.3.11 Maximum Op Temp 15 HITEMP: 4.2.3.12 Height 21 DEVHGT: 4.2.3.13 * Width 21 DEVWTH: 4.2.3.14 * Depth 21 DEVDEP: 4.2.3.15 * Diameter 21
30、DEVDIA: 4.2.3.16 w Window Filter Insertion Loss 12 WININL: 4.2.3.17 w Window Filter Rejection 12 WINREJ: 4.2.3.18 x = 1 required per file * = Dimensional data consists of height plus either diameter or both width and depth w = Required only for window filters 4.2.3 Record and Field parameters descri
31、bed The following are detailed explanations of each of the data lines. The length of data specified includes all characters except . The symbols stand for Carriage Return / Line Feed. TIA-929-A 6 4.2.3.1 Standard Issue STDISS:XXXXXXXXX This is the version of this standard to which the data conforms.
32、 It shall include the complete standard number. For the “A” release, for example, it should indicate “TIA-929-A”. 4.2.3.2 Comments1 COMNT1:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This is a field for comments on the current revision. 4.2.3.3 Comments2 COMNT2:XXXXXXXX
33、XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This is a field for comments on the current revision. 4.2.3.4 Device Manufacturer DEVMFR:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This is the name of the device manufacturer. Abbreviations shall not be used. 4.2.3.5 Full Model Number MODLN
34、O:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This is the full model number as used when the data was taken. Modifiers to the model number such as dashes or exceptions are to be included. This should uniquely identify the device and allow for revisions to the data. TIA-929-A 7 4.2.3.6 Device Type DEVTYP:XXX
35、XXXXXXXXXXXXXXXXXXXXX This is the type of device. It shall be one of the following: Bandpass Duplexer Bandpass Cavity Filter Pass-Notch Window Filter Pass-Reject Duplexer Notch Cavity Filter N*-Window Filter Multiplexer Pass-Notch Cavity Filter *Replace the “N” with the actual number of windows 4.2.
36、3.7 Date of Data DTDATA:YYYYMMDD This is the date the characteristics data was taken. 4.2.3.8 Lowest Tunable Frequency LOWFRQ:9999.9999 This is to identify the lowest frequency, in MHz, of the tunable range of the device 4.2.3.9 Highest Tunable Frequency HGHFRQ:9999.9999 This is to identify the high
37、est frequency, in MHz, of the tunable range of the device. 4.2.3.10 Connector Type 1 CNTYP1:XXXX,YYYYYYYY,ZZZZZZ This is the connector series and gender for external connection. The “X” fields describe the use of the external port: TX, RX, or ANT. If all or both ports are the same use “ALL” or “BOTH
38、”. The “Y” fields describe the connector series; e.g. “TYPE N”, “UHF”, “BNC”. The “Z” fields describe the gender of the connector mounted on the device (not the mating connector), i.e. “MALE” or “FEMALE”. If a single record is inadequate to describe the external connectors on a single device, use CN
39、TYP2:, CNTYP3:, etc. 4.2.3.11 Minimum Operating Temperature LOTEMP:-65C TIA-929-A 8 LOTEMP:-65C,-85F (optional) This is the lowest operating temperature for which the device is intended to operate at full specifications. The temperature shall be expressed in degrees Celsius. Optionally, the temperat
40、ure may be expressed in degrees Fahrenheit in addition to Celsius. The letter “C” and, if included, “F” shall be used to make clear which temperature scale is being used. 4.2.3.12 Maximum Operating Temperature HITEMP:85C HITEMP:85C,185F (optional) This is the highest operating temperature for which
41、the device is intended to operate at full specifications. The temperature shall be expressed in degrees Celsius. Optionally, the temperature may be expressed in degrees Fahrenheit in addition to Celsius. The letter “C” and, if included, “F” shall be used to make clear which temperature scale is bein
42、g used. 4.2.3.13 Device Height DEVHGT:1111MM DEVHGT:1111MM,43.74IN (optional) This is the physical height of the device. The height shall be expressed in millimeters. Optionally, it may be expressed in inches in addition to millimeters. The letters “MM” and, if included, “IN” shall be used to make c
43、lear which measurement units are being used. 4.2.3.14 Device Width DEVWTH:1111MM DEVWTH:1111MM,43.74IN (optional) This is the physical width of the device. The width shall be expressed in millimeters. Optionally, it may be expressed in inches in addition to millimeters. The letters “MM” and, if incl
44、uded, “IN” shall be used to make clear which measurement units are being used. Dimensions shall be expressed in either (a) height, width, and depth, or (b) height and diameter. Width and depth shall not be present if diameter is present. 4.2.3.15 Device Depth DEVDEP:1111MM TIA-929-A 9 DEVDEP:1111MM,
45、43.74IN (optional) This is the physical depth of the device. The depth shall be expressed in millimeters. Optionally, it may be expressed in inches in addition to millimeters. The letters “MM” and, if included, “IN” shall be used to make clear which measurement units are being used. Dimensions shall
46、 be expressed in either (a) height, width, and depth, or (b) height and diameter. Width and depth shall not be present if diameter is present. 4.2.3.16 Device Diameter DEVDIA:1111MM DEVDIA:1111MM,43.74IN (optional) This is the physical diameter of the device. The diameter shall be expressed in milli
47、meters. Optionally, it may be expressed in inches in addition to millimeters. The letters “MM” and, if included, “IN” shall be used to make clear which measurement units are being used. Dimensions shall be expressed in either (a) height, width, and depth, or (b) height and diameter. Diameter shall n
48、ot be present if width and depth are present. 4.2.3.17 Window Filter Insertion Loss WININL:XX.X This is the maximum insertion loss within the passband of a window filter, expressed in dB. This applies only to N Window filters. 4.2.3.18 Window Filter Rejection WINREJ:XXX.X This is the minimum rejecti
49、on provided by the window filter at frequencies outside the outer edge frequencies of the filter, expressed in dB. 4.3 Characteristics Data 4.3.1 General The characteristics data follows the header data. Each data file includes at least one set of characteristics data. In cases where a given manufacturers model number corresponds to more than one characteristic curve (for example, in the case of different coupling loops), characteristics data will be presented corresponding to each different curve. Because filter power ratin
