JPH04109720A - Portable radio telephone set - Google Patents
Portable radio telephone setInfo
- Publication number
- JPH04109720A JPH04109720A JP2227755A JP22775590A JPH04109720A JP H04109720 A JPH04109720 A JP H04109720A JP 2227755 A JP2227755 A JP 2227755A JP 22775590 A JP22775590 A JP 22775590A JP H04109720 A JPH04109720 A JP H04109720A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- power supply
- battery
- blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006641 stabilisation Effects 0.000 claims abstract 2
- 238000011105 stabilization Methods 0.000 claims abstract 2
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910005580 NiCd Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Logic Circuits (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、携帯無線電話装置に係り、特にその消費電流
の低減に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a portable radio telephone device, and particularly to reducing the current consumption thereof.
（従来の技術）
近年、普及が急速に拡大しているＨａｎｄ ｈｅｌｄ
型 Ｍｏｂｉｌｅ Ｔｅ１ｅｐｈｏｎｅなどの携帯無
線電話装置の電源には、６〜７・２ＶのＮｉＣｄ電池（
組電池）が使用されることが多い。６〜７・２■の電圧
が選択される理由は、ＵＨＦ帯で、約ＩＷの送信出力を
得るために必要な電力増幅器の電源電圧が現在では６〜
７・２ｖであること、又、高速処理を必要とするロジッ
ク回路に５Ｖの安定化電圧を供給できる電圧であること
の２点が主な理由である。(Conventional technology) Hand held technology has been rapidly expanding in popularity in recent years.
A 6 to 7.2V NiCd battery (
assembled batteries) are often used. The reason why a voltage of 6 to 7.2
The two main reasons are that it is 7.2V and that it is a voltage that can supply a stabilized voltage of 5V to logic circuits that require high-speed processing.
そして、このような携帯無線電話装置の内部回路は、電
池電圧で直接動作する送信電力回路などの一部の回路と
単一の安定化電圧、例えば＋５Ｖて動作するその他の大
部分の回路で構成されていた。The internal circuits of such mobile radio telephone devices consist of some circuits such as a transmission power circuit that operates directly on battery voltage, and most other circuits that operate on a single stabilized voltage, for example +5V. It had been.
しかしながら、トランジスタ増幅回路等で構成される無
線回路部の多くは、一定の電源電流を供給すれば、より
低い電圧でも動作する電流依存型の回路であり、又、低
速動作をするロジック回路も＋５Ｖというような高い電
圧は必ずしも必要としない。このことは、受信機のみの
ボケシトベルや大きな送信電力を必すとしないコードレ
ス電話の電池電圧が１・５ｖ〜３Ｖであることでも明白
である。However, most of the wireless circuits composed of transistor amplifier circuits, etc. are current-dependent circuits that can operate at lower voltages if a constant power supply current is supplied, and logic circuits that operate at low speeds also operate at +5V. Such a high voltage is not necessarily required. This is also evident from the fact that the battery voltage of a cordless telephone that does not necessarily require large transmission power or a blurred seatbelt that only has a receiver is 1.5V to 3V.
従って、６〜７．２Ｖの電池電圧で動作するこの種の携
帯無線電話装置は、電源の利用率、鳳い換えると低消費
電力化という点では効率の悪い回路構成をしていると言
える。Therefore, it can be said that this type of portable radio telephone device, which operates with a battery voltage of 6 to 7.2 V, has an inefficient circuit configuration in terms of the utilization rate of the power supply, or in other words, in terms of low power consumption.
（発明が解決しようとする課題）
上述のごとく、従来の携帯無線電話装置では、電源の利
用率が悪く、低消費電力化という点て、効率の悪い回路
構成となっていた。(Problems to be Solved by the Invention) As described above, the conventional portable radio telephone device has a poor power supply utilization rate and a circuit configuration that is inefficient in terms of reducing power consumption.
そこで、本発明はこの問題点に鑑みて成されたもので、
装置内部の各回路の電源利用率を向上させ、より一層の
低消費電力化、又は、低消費電流化を実現し、より小型
で、より使用時間の長い、携帯無線電話装置を提供する
ことを目的とする。Therefore, the present invention was made in view of this problem.
Our goal is to improve the power utilization efficiency of each circuit inside the device, achieve even lower power consumption or lower current consumption, and provide a mobile radio telephone device that is smaller and has a longer operating time. purpose.
［発明の構成］
（課題を解決するだめの下段）
電池電圧で直接動作する回路ブロックと、前記ホ池電ノ
ｒを一定の電圧に安定化する第１の電灯回路き、前記一
定の電圧に安定化した電圧を、更に２つ以上に分割しそ
れぞれ安定化させるポルテジフォロワ回路を用いた第２
の電圧回路と、前記第１及び第２の電圧回路にそれぞれ
接続される複数の８Ｈ路ブロツクとを具備したことを特
徴とする。[Structure of the invention] (Lower stage for solving the problem) A circuit block that operates directly with battery voltage, a first lighting circuit that stabilizes the battery voltage at a constant voltage, and a first lamp circuit that stabilizes the battery voltage at a constant voltage. A second circuit using a portage follower circuit that further divides the stabilized voltage into two or more parts and stabilizes each part.
The present invention is characterized in that it comprises a voltage circuit and a plurality of 8H path blocks respectively connected to the first and second voltage circuits.
（作用）
本発明の携帯無線電話装置では、電池電圧で直接動作す
る回路ブロックと、前記電池７１〜圧を一定の電圧に安
定化する第１の電圧回路と、前記一定の電圧に安定化１
．た雷月二を、更に２つ以Ｖに分割しそれぞれ安定化さ
せるボルテージフォロワ回路を用いた第２の電圧回路と
、前記第１及び第２の電圧１１１１路にそれぞれ接続さ
れる複数の６Ｈ路ブロツクとを具備している。(Function) The portable radio telephone device of the present invention includes a circuit block that operates directly with battery voltage, a first voltage circuit that stabilizes the voltage of the battery 71 to a constant voltage, and a first voltage circuit that stabilizes the voltage of the battery 71 to a constant voltage.
．． a second voltage circuit using a voltage follower circuit that further divides the voltage into two or more V and stabilizes each; and a plurality of 6H circuits each connected to the first and second voltage 1111 circuits. It is equipped with a block.
これにより、複数の各回路ブロックを、８斐十分な電圧
で動作させるこきにより電源の利用率を向上させ、低消
費電力化を達成できる。As a result, by operating each of the plurality of circuit blocks at a sufficient voltage, it is possible to improve the utilization rate of the power supply and achieve lower power consumption.
（実施例）
以Ｆ、添付図面を参照して、本発明の実施例について詳
細に説明する。(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図は本発明の携帯無線電話装置の一実施例のブロッ
ク図である。FIG. 1 is a block diagram of an embodiment of a portable radio telephone device of the present invention.
第１図において、１は電池、２は電１９、端子、′３．
５．７．８は回路ブロック、４は安定化電源、６は電圧
を分割利用するだめのバイアス回路である。In FIG. 1, 1 is a battery, 2 is a battery 19, a terminal, '3.
5.7.8 is a circuit block, 4 is a stabilized power supply, and 6 is a bias circuit for dividing and utilizing the voltage.
第１図て、電池１はＮｉＣｄ電池を６セル使用した組電
池てあり、７・２Ｖの定格電圧を６し、ｈり電終ＩＬ電
圧は６■である。In Fig. 1, battery 1 is a battery pack using 6 cells of NiCd batteries, and has a rated voltage of 7.2V and a final IL voltage of 6.
電池１の電圧は電源端子２を介して携帯無線電話装置の
各部に供給される。The voltage of the battery 1 is supplied to each part of the portable radio telephone device via the power supply terminal 2.
装置内には、動作電圧が異なる種々の回路ブロックが存
在している。Various circuit blocks with different operating voltages are present in the device.
回路ブロック３は例えば、送信電力増幅回路のようなも
のであり、最も高い電圧を必要とするので電池１の電圧
を直接印加し動作するようになっている。The circuit block 3 is, for example, a transmission power amplifier circuit, and requires the highest voltage, so it operates by directly applying the voltage of the battery 1.
回路ブロック５は、高い安定化電圧を必要とする高速の
ロジック回路やオーディオ出力回路等を含む回路ブロッ
クであり、安定化電源回路４を通して＋５Ｖの電圧を供
給されて動作する。The circuit block 5 is a circuit block including a high-speed logic circuit, an audio output circuit, etc. that require a high stabilized voltage, and operates by being supplied with a voltage of +5V through the stabilized power supply circuit 4.
回路ブロック７及び８は低い電源電圧て動イ′１する回
路ブロックであり、受信回路部、シンセザイ→ノ”部、
送信変調励振部、低速ロジック回路等の回路がＡ″まれ
でいて、回路ブロック７及び８の各々の消費電流は、は
ぼ等しくなるように回路ブロックの配分が行われている
。Circuit blocks 7 and 8 are circuit blocks that operate at a low power supply voltage, and include a receiving circuit section, a synthesizer section,
Circuits such as a transmission modulation excitation unit and a low-speed logic circuit are A'' rare, and the circuit blocks are distributed so that the current consumption of each of the circuit blocks 7 and 8 is approximately equal.
また、バイアス回路６は、回路ブロック７．８に→−５
■の安定化電圧を分割して安定に供給するｔ：めのもの
であり、出力ライン６１を＋２・５Ｖの安定し、た電圧
に維持することを目的とする。Also, the bias circuit 6 is connected to the circuit block 7.8 →-5
The stabilized voltage of (2) is divided and stably supplied (t), and its purpose is to maintain the output line 61 at a stable voltage of +2.5V.
前述したように、回路ブロック７．８の消費電流は、は
ぼ等しくなるように配慮されているか、実際には、バラ
ツキや動作状態の変化等により消費電流のアンバランス
が牛しる。バイアス回路６はこのアンバランスによって
生じる過不足の電流を供給又は吸収するように動作し、
回路ブロック７．８の各々の回路ブロックに印加される
電圧を安定化する。As described above, the current consumption of the circuit blocks 7 and 8 is designed to be approximately equal, or in reality, there is an imbalance in the current consumption due to variations, changes in operating conditions, etc. The bias circuit 6 operates to supply or absorb excess or insufficient current caused by this imbalance,
Stabilize the voltage applied to each of the circuit blocks 7.8.
第２図は回路ブロック６．７．８の部分をより詳細に表
わしたブロック図である。FIG. 2 is a block diagram showing circuit blocks 6.7.8 in more detail.
４１は＋５Ｖの安定化電圧供給端子、６２〜６５は第１
図の６を構成する回路部品であり、６２はオペアンプ（
演算増幅回路）６３．６４は電圧分割抵抗、６５はバイ
パスコンデンサである。オペアンプ６２は抵抗６３．６
４て分割された電圧を出力するボルテーンフォロワ回路
となっており、抵抗６３．６４が等しい値とすれば出力
端子６１は＋２・５■に維持される。41 is a +5V stabilized voltage supply terminal, 62 to 65 are the first
It is a circuit component that constitutes 6 in the figure, and 62 is an operational amplifier (
Operational amplifier circuit) 63 and 64 are voltage dividing resistors, and 65 is a bypass capacitor. Opamp 62 is resistor 63.6
It is a voltage follower circuit that outputs a voltage divided by 4, and if the resistors 63 and 64 have the same value, the output terminal 61 is maintained at +2.5.
回路ブロック７１〜７３．８１．８２は第１図の各回路
ブロック７．８に含まれるｉ１１位回路ブロックであり
、＋５ｖの安定化電圧を２・５Ｖずつに分割して供給さ
れ動作する。Circuit blocks 71 to 73, 81, and 82 are the i11th circuit blocks included in each circuit block 7.8 in FIG. 1, and operate by being supplied with a stabilized voltage of +5V divided into 2.5V each.
回路ブロック７１〜７３の回路の消費電流の合５１か、
回路ブロック８１．８２の回路の消費電流の合旧より少
ない場合は、オペアンプ６２からその差に相当する電流
が供給され、又、逆の場合は、その差に相当する電流を
吸収することにより、オペアンプ６２の出力端子６１
（すなわち、各回路７］、７２．７３．８１．８２の電
源分割ライン）は、＋２・５Ｖに維持されるので各回路
は安定な動作を保障される。The sum of the current consumption of the circuit blocks 71 to 73 is 51, or
If the current consumption of the circuits of the circuit blocks 81 and 82 is less than the combined current, the operational amplifier 62 supplies a current corresponding to the difference, and in the opposite case, by absorbing the current corresponding to the difference, Output terminal 61 of operational amplifier 62
(that is, each circuit 7], 72, 73, 81, 82 power supply dividing line) is maintained at +2.5V, so each circuit is guaranteed stable operation.
コンデンサ６６．６７は前記電源分割ラインを交流的な
基準電圧とするためのバイパスコンデンサである。オペ
アンプ６２は、上述のように、電圧の分割利用を行って
いる回路部間の消費電流の差の電流のみを扱えばよいの
で電力的な負相は小さく、小電力素子で十分である。Capacitors 66 and 67 are bypass capacitors for making the power supply dividing line an AC reference voltage. As described above, the operational amplifier 62 only needs to handle the current that is the difference in current consumption between the circuit parts that perform voltage division and utilization, so the negative phase in terms of power is small, and a small power element is sufficient.
第３図は、本発明の携帯無線電話装置の他の実施例の部
分図であり、異なる電圧で動作する回路ブロック間のロ
ジックインターフェースの例を示すものである。FIG. 3 is a partial diagram of another embodiment of the portable radiotelephone device of the present invention, illustrating an example of a logic interface between circuit blocks operating at different voltages.
第３図て１０１はＯ〜５Ｖて動作するロジック回路、１
０２は２・５〜５■て動作するロジック回路、１０３は
０〜２・５Ｖ動作て動作するロジック回路である。In Fig. 3, 101 is a logic circuit that operates at O to 5V, 1
02 is a logic circuit that operates at 2.5 to 5V, and 103 is a logic circuit that operates at 0 to 2.5V.
第３図で、５Ｖは例えば前記第１図の安定化電源により
作られたものを利用し、２・５Ｖはバイアス回路６によ
り作られたものを利用している。In FIG. 3, 5V is generated by the stabilized power supply shown in FIG. 1, for example, and 2.5V is generated by the bias circuit 6.
」二連したように、前記安定化電源、前記バイアス回路
を適用することにより、安定な電圧の分割利用か可能と
なるので、このようにロジック信号のインターフェース
も安心して実施できる。'' By applying the stabilized power supply and the bias circuit, it is possible to divide and utilize stable voltages, so that logic signal interfaces can be implemented with confidence.
また、電圧の分割利用は、５Ｖを２等分するという方法
のみならず、２Ｖと３Ｖというような自由な比での分割
や、３分割以上での利用にも適用できる。Further, the divided use of voltage is not limited to the method of dividing 5V into two, but can also be applied to division at a free ratio such as 2V and 3V, or use of division into three or more.
［発明の効果］
以上説明したように、本発明の携帯無線電話装置によれ
ば、安定した電源電圧の分割利用が可能となる。[Effects of the Invention] As explained above, according to the portable radio telephone device of the present invention, stable divided use of power supply voltage is possible.
このため、電池電圧の分割利用の適用範囲を大きく拡大
でき、大幅な消費電力の削減ができる。Therefore, the scope of application of divided use of battery voltage can be greatly expanded, and power consumption can be significantly reduced.
第１図は本発明の携帯無線電話装置の一実施例の電源部
のブロック図、第２図は第１図に係る詳細ブロック図、
第３図は他の実施例である。
１・・・電池、２・・・電源端子、３．５．７．８・・
・回路ブロック、４・・・安定化電源、４１・・・安定
化電圧供給端子、６・・・バイアス回路、６２・・・オ
ペアンプ、６３．６４・・・抵抗、７１．７２．７３．
８１．８２・・回路ブロック、６５．６６．６７・・・
バイパスコンデンサ、１０１、］０２．０３・・・ロジ
ック回路。FIG. 1 is a block diagram of a power supply section of an embodiment of the portable radio telephone device of the present invention, FIG. 2 is a detailed block diagram of FIG. 1,
FIG. 3 shows another embodiment. 1...Battery, 2...Power terminal, 3.5.7.8...
-Circuit block, 4... Stabilized power supply, 41... Stabilized voltage supply terminal, 6... Bias circuit, 62... Operational amplifier, 63.64... Resistor, 71.72.73.
81.82...Circuit block, 65.66.67...
Bypass capacitor, 101,]02.03...Logic circuit.
Claims (1)
池電圧を一定の電圧に安定化する第１の電圧回路と、 前記一定の電圧に安定化した電圧を、更に２つ以上に分
割しそれぞれ安定化させるボルテージフォロワ回路を用
いた第２の電圧回路と、 前記第１及び第２の電圧回路にそれぞれ接続される複数
の各回路ブロックと を具備したことを特徴とする携帯無線電話装置。(1) A circuit block that operates directly with the battery voltage, a first voltage circuit that stabilizes the battery voltage to a constant voltage, and a voltage circuit that further divides the voltage stabilized to the constant voltage into two or more parts. A portable radio telephone device comprising: a second voltage circuit using a voltage follower circuit for stabilization; and a plurality of circuit blocks respectively connected to the first and second voltage circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2227755A JPH04109720A (en) | 1990-08-29 | 1990-08-29 | Portable radio telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2227755A JPH04109720A (en) | 1990-08-29 | 1990-08-29 | Portable radio telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04109720A true JPH04109720A (en) | 1992-04-10 |
Family
ID=16865870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2227755A Pending JPH04109720A (en) | 1990-08-29 | 1990-08-29 | Portable radio telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04109720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996038914A1 (en) * | 1995-06-02 | 1996-12-05 | Hitachi, Ltd. | Semiconductor integrated circuit device and signal processor |
| JP2006174693A (en) * | 2004-11-29 | 2006-06-29 | Marvell World Trade Ltd | Low-voltage logic circuit operation using high-voltage supply level |
-
1990
- 1990-08-29 JP JP2227755A patent/JPH04109720A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996038914A1 (en) * | 1995-06-02 | 1996-12-05 | Hitachi, Ltd. | Semiconductor integrated circuit device and signal processor |
| JP2006174693A (en) * | 2004-11-29 | 2006-06-29 | Marvell World Trade Ltd | Low-voltage logic circuit operation using high-voltage supply level |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH05244767A (en) | Regulated charge pump and its method | |
| EP3353893B1 (en) | Power multiplexing with flip-flops | |
| TW200518433A (en) | Charge pump circuit and amplifier | |
| US4328571A (en) | Rapid start oscillator latch | |
| JPH04109720A (en) | Portable radio telephone set | |
| US9118458B1 (en) | Clock phase alignment | |
| US11025214B2 (en) | Low voltage class AB operational trans-conductance amplifier | |
| CN110703839B (en) | Power supply and power supply method of universal ultra-low noise radio frequency circuit | |
| JPH0730475A (en) | Portable telephone set | |
| JPH0794957A (en) | Liner characteristic compensating circuit | |
| US20220200781A1 (en) | Wide-range inductor-based delay-cell and area efficient termination switch control | |
| JPH08162951A (en) | Portable radio | |
| JPH10200382A (en) | Voltage controlled oscillator circuit for low voltage driving | |
| US6518834B2 (en) | Circuit and method for reducing leakage current within an electronic system | |
| US20030231049A1 (en) | Integrated circuit with voltage divider and buffered capacitor | |
| JPH05206860A (en) | Current addition type digital/analog conversion circuit | |
| JPH08314554A (en) | Method for supplying power | |
| JPS63292312A (en) | Clock signal generating circuit | |
| JP4787114B2 (en) | Real-time clock device, semiconductor device using the real-time clock device, and electronic equipment | |
| JPH113131A (en) | Data processor | |
| JP2001500297A (en) | Circuit for controlling AC / DC power load | |
| JP2002009617A (en) | Pll circuit | |
| RU1829107C (en) | A c bridge amplifier | |
| CN117833423A (en) | Power supply circuit and electronic equipment | |
| JPH1188254A (en) | Device for reducing power consumption of radio communication component |