MOTOROLA m SEMICONDUCTOR oe MC15906 TECHNICAL DATA RF/IFAUDIO AMPLIFIER WIDEBAND AMPLIFIER WITH AGC. ‘an integrated circuit featuring wide-range AGC for use in RF/ IF amplifiers and audio amplifiers over the temperature range, SILICON MONOLITHIC =85 10 + 125°C, INTEGRATED CIRCUIT ‘© High Power Gain — 50 dB Typ at 10 MHz 45 dB Typ at 60 MHz 35 d® Typ at 100 MHz IN CONNECTIONS ‘¢ Wide-Range AGC — 60 dB min, dc to 60 MHz 4 Low Reverse Tenter Adriane —<10 amos Ty a sowie + 8010 164¥0t Operation Single Polarity Power Suply | 4 ay sure METAL PACKAGE CASE 601 MAXIMUM RATINGS (T= +25°C unless otherwise noted) | ae Seber ue “ADMITTANCE PARAMETERS. Pees Supa Votan Yee x8 vee (Woo = +12 Vée. Ta = +250) Ouroor Sup v 7 ver te AGE Sooty or % Var a ines) ec raramater_|simboi] 20 | 9 _| Unt aera tu Volant w 50 var ee [ae poem ‘Goeratng Terpeture Ron Ta “eiees] frou nommarce | bu | 12 | “30 Toran Tenoertare Range 7 oa) Segletniet | axa | 005 | 0s | mmnoe so | Jona herarce | baz | 08 | 10 ences Temperate Ts a8 ag Foreara Tate | ¥21 | 7S | 180. | mtow smmance at | “ap | tos |e lemivorins) | asd amine ia | “se | “0 REPRESENTATIVE CIRCUIT SCHEMATIC = 79 Voc the leeaback eamitonce of the test cca vied ‘esau ‘The tot! ten exoa pal Uns tr © 008 9 aa ‘Vaxaae) 79 ‘tinal induc f teas lone. (Se igure 10 z ee 470 470 ‘SCATTERING PARAMETERS (Voc = +12 Vde, "25,25 = 50.0) reage [+ _ q — weter_| sembot | ms | | Uo 3 inows J og retecien | Sty | ass | 092 | — eee sr fetewon | Sa | age | eas | — ecencan | ea | -30| “ss | akgiik eae Foner meson |S wa | - ecmcen” | oH ws Subsireieta ® ‘Reverse Ping 4 and 8 should both be connected to cei ground earrinion | Siz | ogane Jem | MOTOROLA LINEAR/INTERFACE DEVICES 2-150MC1590G ELECTRICAL CHARACTERISTICS (Vcc = +12 Vée, = 60 MH2, BW = 1.0 MME, Ta = -S8°Cto + 125°C unless cothorwisa noted) Charoctriate Fa. | Symbot [Min [Typ | Max | Unik "AGC Range 24 | Mace 8 WzaGc} ~ 50V 1070) se = 7 NAG) = 5OV 1070 V, Ta = 25°) a = ‘Single-Ended Power Gain el eca 7 = = e a= 250) 0 6 S Noise Figure 2 | NF = 60 70 # {Rg optimized for best NF) (in = 250) ‘Output Stage Curent zl mA {Sum of Pine and 6) 35 Si 80 Ma = 250) 40 | 56 78 Output Gurront Matching 2] alo = 07 = mA (Magnitude of Diference of Output Currents) is = lg) a= 250) | =| Power Supply Current 32 | ee mA Vo = ov) - S 20 (Vo = OV. Ta = 250) = x“ v7 Power Coneumption (12 * lec) =T ec aw W-0¥) = S 200 (= 0v. TA = 25) = soa_| 204 FIGURE 1 ~ UNNEUTRALIZED POWER GAIN verws FREQUENCY FIGURE 2— VOLTAGE GAIN vers FREQUENCY ‘Toned Amplifier, Sat Figre 20) {ideo Amp, Set Fire 8) vag Ve nae eons « UNevTRALZEDFoWeR GAN) (SMGLE EnOED ovTeuT eos os 38 7 © To me HLrmeauenc aon ‘emeaueney ot MOTOROLA LINEAR/INTERFACE DEVICES 2151MC1590G TYPICAL CHARACTERISTICS (Wa taGc = 8. Vee 12 Vae, Ta = #78°C unless teri noted FIGURE 2 ~ DYNAMIC RANGE: OUTPUT VOLTAGE versa: FIGURE 4 — VOLTAGE GAIN vera FREQUENCY INPUT VOLTAGE (Video Amplitier, Sa Figure 21 {Video Ampliter, See Figure 26) we OUTPUT VOLTAGE VOLTS AMS) sy SINGLE-ENDED VOLTAGE GAIN “yy or 8s 13 20 ape mw ‘aes ie 3050 am UE Ne Miek ee ansives ba Fie anne VOLTAGE eel 2 i ARN TTT 2 ie ea | 3 lo % Sof CL ee ies 2 T 2 Rage =O Mage = SBR a { so ee : 2 1 0 w Vor SUPPLY VOLTAGE IVOLTS) ‘VaUMGt). RUC VOLTAGE (4) FIGURE ~ TYPICAL GAIN REDUCTION ven AGC CURRENT inant aMPeRRTURE Been ea Fie TEN (4 a Poe “ 30 + " 4 | a 1 L 0 MOTOROLA LINEAR/INTERFACE DEVICES 2-182MC1590G TYPICAL CHARACTERISTICS (continued) FIGURE 9 — POWER GAIN vers SUPPLY VOLTAGE FIGURE 10 ~ REVERSE TRANSFER ADMITTANCE vera 8 Tent Creat, Fire 24) [FREQUENCY [See Parameter Tobe, Poe LL 7 _T t TOA I —-d + + Litt |_| [— EEE "| ERE E FIGURE 12 NOISE FIGURE ween SOURCE RESISTANCE Ween ve a sons 1 ol FIQURE 13 — NOISE FIGURE varna AGC GAIN REDUCTION MOTOROLA LINEAR/INTERFACE DEVICES 2-163‘a out AOMITTANGE tome REDUCTION FOR AM CARRIER (For Tort Circuit Sew Fs MC1590G ‘TYPICAL CHARACTERISTICS (continued) FIGURE 14 ~ SINGLE-ENDED OUTPUT ADMITTANCE FIGURE 15 —SINGLE-ENDED INPUT ADMITTANCE FIGURE 16 ~ HARMONIC DISTORTION verws AGC GAIN s _ ae [estat | ] ab L ol -Co i oe : FIGURE 17 — 10.7 Miz AMPLIFIER ‘Goin = 55 dB, BW = 100 kHz —T “ | 2 Fae as vase 20) Ta ed 120 wor S sa Uy = 20 Tums, No. 22 AWG Wie 7 ovoid Gore ("126 91 a a La = 20 Tare We. 2240 Wie Soret Care 10941 FIGURE 12 — ¥21, FORWARO TRANSFER ADMITTANCE FIGURE 19 — Y1, FORWARD TRANSFER ADMITTANCE RECTANGULAR FORM POLAR FORM. [aed mi] Ts Ae a 56 ThaSeE8 ADMITTANCE ft eB SEB MOTOROLA LINEAR/INTERFACE DEVICES 2184MC1590G TYPICAL CHARACTERISTICS (continued! FIGURE 20 514 AND S22, INPUT AND OUTPUT FIGURE 21 ~ 514 AND S22, INPUT AND OUTPUT. ENT REFLECTION COEFFICIENT REFLECTION coer! FIGURE 22 — 521, FORWARD TRANSMISSION. FIGURE 23 ~ 542, REVERSE TRANSMISSION, ‘COEFFICIENT (GAIN) COEFFICIENT (FEED! MOTOROLA LINEAR/INTERFACE DEVICES 2185,MC1590G ‘TYPICAL APPLICATIONS FIQURE 24_— 60 MHz POWER GAIN TEST CIRCUIT FIGURE 25 — PROCEDURE FOR SETUP 'USING FIGURE 24 S Ta ma —_ [Waa [RAGE re tee aa aaa | sr | i so. a [rea atainy [so | 8 FIGURE 26 ~ VIDEO AMPLIFIER Has we von inl FIGURE 27 — 30 MMe AMPLIFIER iE (Power Gain = 60 4B, BW ~ 1.0 MH) FIGURE 28 - 100 Mme MIXER vac ee 15 ay ems a Naeem eres os Bro Secontey «re 0 Woe tee ee FIGURE 29 - TWOSTAGE 6OMHs IF AMPLIFIER (Power Grin ~ 00 a8, BW = 15 MH:) MOTOROLA LINEAR/INTERFACE DEVICES 2.986MC1590G TYPICAL APPLICATIONS [continued) Speed tle) DESCRIPTION OF SPEECH COMPRESSOR oe ‘The amplifier drives the base of a PNP MPS6517 op- ago erating common-emitter with a voltage gain of approx: imately 20. The control Rt varies the quiescent Q point of this transistor so that varying amounts of signal ex- ceed the level V,. Diode 01 rectifies the positive peaks, 9f Q1's output only when these peaks are greater than .0 Volts. The resulting output is fiNered by Cy. controls the charging time constant or attack time. Gx is involved in both charge and discharge. R2 {the 150 kf and input resistance of the emitter-follower Q2) Controls the decay time. Making the decay long and atteck short is accomplished by making Ry small and, 2 large. (A Darlington emitter-follower may be needed if extremely slow decay times are required.) The emitter follower Q2 drives the AGC Pin 2 of the 'MC15906 and reduces the gain. R3 controls the slope of signal compression. The following graph (Figure 31) details performance with R3 set to 15 ki peer {ae 1—DeToMnoN ves EQUENCY = int oka ft se Senay Frequency] DSTORTION [DISTORTION Z He a a 3 ft ue falafel s 3% i 1.0 kM: 15% Bx * % i war [a] ea] Su + ows tand2 | Nowe Sana @ ‘led Ht meant) Now: (1) Decay = 300s 2 Aan a: | 7 tacts ott Rx =0 ond PU ul (2) Decay = 20 ms oy a 0 a0 80 10 30 60100 (Attack = 3 me a i “4; INPUT VOLTAGE (mv) (4) Cx = 0.68 uF FiGURE 32 - OUTPUT CURRENT, CURRENT MATCH AND log FIXTURE MOTOROLA LINEAR/INTERFACE DEVICES 2187