FRONTEND 4049 FM5 3x8168; 3x8292 TARGET SPECIFICATION ELECTRICAL DATA 1. Description: The frontend 4049 FM5 is specially designed for multimedia applications. It includes TV as well as FM reception possibility. TV reception standard are B/G; I, D/K, L, L`. The frontend includes a hyperband tuner which covers the frequency range from 45 to 865 MHz and an IF-part with SAWfilter, IF-amplifier, video- and sound demodulator. So the AF signal is available at the audio output nd terminal, the CVBS signal is available at the video output terminal. Also a 2 IF output is provided, which allows external sound demodulation for stereo and NICAM reception. A video buffer is built in which makes a direct connection to 75 Ω inputs possible. The reception frequency range is divided in VHF low, VHF high and UHF. VHFlow part of the tuner is used for FM reception also. Complete FM signal processing including demodulation and stereo decoding is built in. Baseband signals L (left) and R (right) as well as MPX (Baseband Multiplex signal) are on pins available. Band, standard selection and tuning are done via I²C-bus, completely. Also a digital AFC-function can be realized, because the AFC-voltage generated by the IF-demodulator is fed to an analogue/digital converter which is integrated in the IF demodulator-IC and readable via I²C-bus. A DC/DC converter is built in. Therefore supply voltage is 5V only. 2. Mechanical Characteristics: 2.1. Dimensions: according drawing 3x8168GZ 2.2. Weight: appr. 52 g I²C bus signal SCL I²C bus signal SDA Address selection for I²C bus FM sound output R FM sound output L 2nd IF Video output CVBS Supply voltage VS1 AF sound output / FM MPX 3X8168 ED November 02 Page: 1/14 8168ED01.DOC 2.3. Types Tunertype Sockettype 3x8168 IEC connectors 3x8292 Phono sockets Socketlength Height 14.4 mm 28.55/10.25 mm 10.3 mm 28.55/10.25 mm 3. Working Data: 3.1. Reception Standard: B/G, I, D/K, L, L` 3. 2. Frequency Range: VHF low VHF high UHF FM ch IA ...S6 ch S7 ...S41 ch 21 ...69 45.75 MHz 147.25 MHz 471.25 MHz 87.50 MHz ... 140.25 MHz ... 463.25 MHz ... 855.25 MHz … 108.10 MHz Margin: VHF low VHF high UHF FM ch IA ... ch S7... ch 21 ... S6 S41 69 +0.5 MHz/-0.25 MHz +1 MHz/-6 MHz +3 MHz/-6 MHz +/- 0.5 MHz Recommened take over frequencies: VHF low / VHF high VHF high/ UHF 141 MHz 464 MHz Frequency referred to picture carrier. IF: picture carrier sound carrier 1 sound carrier 2 NICAM sound carrier B, G 38.9 33.4 33.16 33.05 I 38.9 32.9 L 38.9 32.4 32.348 33.05 L` 33.90 40.40 D/K 38.9 32.4 33.05 all frequencies in MHz Oscillator operates above received frequency. 3X8168 ED November 02 Page: 2/14 8168ED01.DOC 3.3. Supply voltage: Supply voltage VS1 5 V +/- 5% max. 230 mA 3.4. Input impedance: 75 Ω, unbalanced VHF/UHF and FM 3.5. Temperature: Operating temperature: Storage temperature: ( measured in slowly moved air ) 0 ... 60 °C -25 ... 60 °C 4. Test conditions: If not otherwise noticed all data are hold under following conditions: Measurement tolerance: Ambient temperature: Supply voltage: 10 % or 1 dB 25 °C +/- 3° V S1 +/- 5% 5. TV Tuner Data: 5.1. VSWR: min. VHF low VHF high UHF typ. max. unit 5.0 5.0 5.0 Referred to channel center frequency. 5.2. AGC-Range: VHF low VHF high UHF FM 40 40 35 40 dB dB dB dB 50 60 60 50 dB dB dB dB 60 60 55 50 50 dB dB dB dB dB 5.3. IF-Rejection: VHF low VHF high UHF FM 5.4. Image-Rejection: VHF low VHF high VHF high UHF FM 3X8168 ED November 02 ch S7 .... ch S20 ch S21 .... ch S41 Page: 3/14 8168ED01.DOC 6. TV Output parameter: 6.1. Video output: Conditions: min. typ. max. unit Standard B/G; Ant. input level 66 dBµV CVBS - Output level (B/G, D/K, L/L`): (Standard I): Load impedance 1 Vpp 0.9 Vpp 75 Ω 46 47 dB dB 45 dBµV Video S/N (unweighted): Flat Field VHF UHF Video sensitivity (Off Air Channels) Video S/N = 30 dB Frequency response: (sin x)/x Ref.: 0.2 MHz 1 MHz 2 MHz 3 MHz 4 MHz 4.43 MHz 5 MHz -1.5 -2 -4 -4 -5 2 3 3 4 3 -12 dB dB dB dB dB dB sound carrier rejection B/G 30 dB I, D/K, L/L´ 26 dB modulated 5 step staircase 3 %pp Differential phase modulated 5 step staircase 5 °pp Differential gain 3X8168 ED November 02 Page: 4/14 8168ED01.DOC 6.2 TV Sound output: Pin 21 Load Output level: min. DC AC DC typ. max. 100 10 unit kΩ kΩ V 2.3 6.2.1 TV FM sound Conditions: Ant.input level 66 dBµV; Video signal: color bar Audio signal 1kHz, 27 kHz deviation; 50 µs preemphasis Measurements with 50 µs deemphasis: AF - level: THD: S/N: Frequency response: 40 Hz ... 15 kHz 400 540 680 0.5 50 -1 1 mVrms % dB dB (6 kHz deviation) 6.2.2 TV AM sound input level 66 dBµV, video signal: color bar audio signal 1kHz AM 54% modulation AF - level: THD: S/N: 400 500 600 1.0 45 mVrms % dB AC level of SC1 5.5, 6.0, 6.5 MHz: 400 mVpp AC level of SC1 6.5 MHz: 400 mVpp AC level of SC2 5.74, 6.55 MHz: 125 mVpp 6.3. 2nd IF output (PC/ sound carrier SC1: 7, 10, 13 dB) (sound carrier SC2 off ) (PC/ sound carrier: 10 dB) (L standard, without modulation) (PC/ sound carrier SC1: 10 dB) (PC/ sound carrier SC2: 20dB) Load impedance 3X8168 ED November 02 0.5 kΩ Page: 5/14 8168ED01.DOC 7. FM part 7.1 FM output min. 7.1.1 Frequency range typ. 87.5 max. unit 108.1 MHz 7.1.2 Output levels AF = 1 kHz, 75 kHz deviation MPX AC DC 810 2.3 100 mVrms V kΩ AC DC 255 1.0 100 mVrms V kΩ Load impedance L, R resp. Load impedance 7.1.3 Frequency response 40 Hz to 15 kHz -2 7.1.4 Usable sensivity 30 dB S/N 50 dB S/N 2 dB 5 15 dBµV dBµV 65 dB 0.2 % 7.1.7 Stereo channel separation 30 dB 7.1.8 AM suppression 60 dB 80 dB 1 kHz 75 kHz deviation 7.1.5 S/N at high input level Vin = 60 dBµV, Mod. = 1kHz 75 kHz deviation measured at MPX output with 50 µs deemphasis 7.1.6 Distortion at high input level 22.5 kHz deviation Vin 60 dBµV 75 kHz dev. AM 30% 7.1.9 Image rejection 53 unwanted signal 66.6 MHz above wanted signal 7.1.10 IF rejection 50 dB referred to 33.3 MHz unwanted signal 3X8168 ED November 02 Page: 6/14 8168ED01.DOC 8. I²C bus There are two different I²C bus used one I²C Tuner to control tuning and one I²C IF to control IF 2 demodulation and baseband processing. With port P0 of control byte 2 the slave address of I C IF can be controlled. 8.1 I²C Tuner 8.1.1 Write data format Address byte Divider byte 1 Divider byte 2 Control byte 1 Control byte 2 MSB 1 0 n7 1 P7 1 n14 n6 CP P6 0 n13 n5 T2 P5 0 n12 n4 T1 P4 0 n11 n3 T0 P3 MA1 n10 n2 RSA P2 MA0 n9 n1 RSB P1 LSB R/W n8 n0 OS P0 A A A A A A = Acknowledge R/W = 0 : Write mode CP = 1 : charge pump current high T2, T1, T0 = test bits, normal operation: T2 = 0, T1 = 0, T0 = 1 RSA, RSB bits for minimum step size, see 8.1.2 OS = tuning voltage switch, normal operation: OS = 0 8.1.2 Address selection MA1 0 0 1 1 MA0 0 1 0 1 Address C0 C2 C4 C6 Voltage at Pin 11 ( 0 to 0.1 ) * VS1 (0.2 to 0.3) * VS1 or open ( 0.4 to 0.6 ) * VS1 ( 0.9 to 1 ) * VS1 8.1.3 Oscillator frequency and divider byte calculation: RSA RSB Reference divider Min. tuning step [kHz] 1 1 512 62.5 X 0 640 50.0 0 1 1024 31.25 for FM recption we recommend 50 kHz minimum step size fref [kHz] 7.8125 6.25 3.90625 fOSC= fD + fIF fIF = 38.9 MHz at B/G, D/K, I, L fIF = 33.9 MHz at L’ fIF = 33.3 MHz at FM fOSC fD : Local oscillator frequency : Desired frequency fOSC = fREF * 8 * SF fREF : Crystal reference frequency / 640 = 4 MHz / 640 = 6.25 kHz, ( RSA =X, RSB = 0) SF : Programmable scaling factor Scaling factor SF= 16384* n14 + 8192 * n13 * 4096 * n12 + 2048 * n11 + 1024 * n10 + 512 * n9 + 256* n8 + 128 * n7 + 64 * n6 + 32 * n5 + 16 * n4 + 8 * n3 + 4 * n2 + 2 * n1 + n0 3X8168 ED November 02 Page: 7/14 8168ED01.DOC 8.1.4 Control byte 1 settings (default) Control byte 1 MSB 1 0 0 0 1 X LSB 0 0 A 8.1.5 Control byte 2 (Bandselection) Band VHF low VHF high UHF FM Active port P7, P5 P7,P4 P5,P4 P7, P5, P2 P7 1 1 0 1 P6 0 0 0 0 P5 1 0 1 1 P4 0 1 1 0 P3 0 0 0 0 P2 0 0 0 1 P1 0 0 0 MS P0 MAD MAD MAD MAD 2 Programmable module address I C IF 2 0 = Slave address I C IF = 43[hex] 2 1 = Slave address I C IF = 42[hex] Forced Mono at FM mode: 0 = Stereo Mode with capability of stereo indication 1 = Forced Mono Mode MAD: MS: 8.1.6 Read data format Address byte Status byte MSB 1 POR 1 FL 0 I2 0 I1 0 I0 MA1 A2 MA0 A1 LSB R/W A0 A A R/W : POR : FL : I2, I1, I0: 1 = Read mode Power on reset flag ( POR =1 at power on) In lock flag (FL= 1 when PLL is locked) Digital levels for I/O ports P2, P1 and P0 respect. In case of FM I1 = 1: Stereo indication I2, I0 not defined A2, A1, A0: FM-AFC or FM-AGC or SIF-AGC radio output detection A2 A1 A0 SIF-AGC radio output *1) FM-AGC radio output *2) 1 0 0 not defined not defined 0 1 1 > 20dBµV normal signal 0 1 0 5dBµV … 20dBµV weak signal 0 0 1 <5dBµV very weak signal 0 0 0 not defined not defined *1) typical values, peak level detection within a bandwith of appr. 2MHz *2) only valid if FM-carrier exist and SIF-AGC radio output = (A2=0, A1=1, A0=1) *3) typical values, only valid if CARRDET = high, see section 8.3.2 3X8168 ED November 02 FM-AFC radio output *3) -100 kHz -35 kHz Correct tuning +35 kHz +100 kHz Page: 8/14 8168ED01.DOC 8.2. I²C IF 8.2.1. I²C-bus sequence write Start Slave addr. Start Slave addr R/W Subaddress Ack Stop R/W =0 Ack subaddress Ack data Ack Stop start condition. Slave address (7bit) = 42[hex] or 43[hex] in respect of MAD. Read/Write bit: 0 = write to component; 1 = master reads from component. byte which indicates register of component which the are data for. “switching register” 00[hex] “adjust register” 01[hex] “data register” 02[hex] acknowledge generated by the component stop condition If more than one byte of data is transmitted, then auto-increment of subaddress is performed. i.e. transmit 3 bytes starting with data for switch register mode B/G I D/K L L` FM - AFC FM - AGC SIF - AGC FM - AFC stereo FM - AGC stereo SIF – AGC stereo Slave addr + R/W =0 MAD=0 / MAD=1 86 / 84 86 / 84 86 / 84 86 / 84 86 / 84 86 / 84 86 / 84 86 / 84 86 / 84 Subaddress switch reg. adjust reg. data reg. 00 00 00 00 00 00 00 00 00 D4 D4 D4 C4 84 DC DC DC DC 70 70 70 10 10 70 70 70 10 09 0A 0B 0B 13 1D 9D 81 1D 86 / 84 00 DC 10 9D 86 / 84 00 DC 10 81 all bytes in [hex] 3X8168 ED November 02 Page: 9/14 8168ED01.DOC 8.2.2 switch register acc. Chapter 8.2.1 switch register is addressed by subaddress 00 [hex] switch register B7 B6 B5 B4 B3 B2 B1 B0 Video mode Sound bypass off 0 Sound bypass on 1 Audio mute FM 0 Inactive 1 active Carrier mode 0 intercarrier 1 QSS Modulation 0 0 1 0 x 1 Positive AM TV Negative TV FM Radio Forced mute audio 0 off 1 on Output port 1 (Audio-SAW switch) 0 L’ 1 B/G, D/K, I, L Output port 2 (not used) 0 Low ohmic active 1 High ohmic disabled Recommended settings switch register mode B7 B6 B5 1 1 0 B/G 1 1 0 I 1 1 0 D/K 1 1 0 L 1 0 0 L` 1 1 0 FM 3X8168 ED 10/14 November 02 B4 1 1 1 0 0 1 B3 0 0 0 0 0 1 B2 1 1 1 1 1 1 B1 0 0 0 0 0 0 B0 0 0 0 0 0 0 =[hex] D4 D4 D4 C4 84 DC Page: 8168ED01.DOC 8.2.3 Adjust register acc. Chapter 8.2.1 adjust register is addressed by subaddress 01 [hex] Adjust register C7 C6 C5 C4 C3 C2 AGC adjustment 1 0 C1 0 C0 0 0 C1 0 0 0 0 0 0 0 C0 0 0 0 0 0 0 0 Deemphasis 0 De-emphasis off 1 De-emphasis on Value of de-emphasis 0 75 us 1 50 us Audio gain 0 1 0 dB -6 dB Recommended settings adjust register mode C7 C6 C5 0 1 1 B/G 0 1 1 I 0 1 1 D/K 0 0 0 L 0 0 0 L` 0 1 1 FM 0 0 0 FM stereo 3X8168 ED 11/14 November 02 C4 1 1 1 1 1 1 1 C3 0 0 0 0 0 0 0 C2 0 0 0 0 0 0 0 =[hex] 70 70 70 10 10 70 10 Page: 8168ED01.DOC 8.2.3 data register acc. Chapter 8.2.1 data register is addressed by subaddress 02 [hex] data register E7 E6 E5 E4 E3 E2 E1 nd 2 0 0 1 1 Video IF TV Mode: B3=0 0 0 0 0 0 1 0 1 1 0 1 0 Radio Mode: B3=1 0 0 1 1 E0 IF MHz 4.5 5.5 6.0 6.5 0 1 0 1 0 1 0 1 0 1 MHz 58.75 45.75 38.9 38.0 33.9 33.4 0 1 44 44 SIF-AGC radio output FM-AGC radio output VIF, SIF, tuner gain 0 Normal gain 1 Minimum gain Gating (pos. AM) 0 0% 1 36 % VIF AGC output – TV Mode: B3=0 0 Normal port function (Output port2) 1 No port function PIN 21 output – Radio Mode: B3=1 0 FM-AFC radio output 1 FM-AGC or SIF-AGC radio output acc. E2…E4 Recommended settings data register mode E7 E6 E5 0 0 0 B/G 0 0 0 I 0 0 0 D/K 0 0 0 L 0 0 0 L` 0 0 0 FM-AFC 1 0 0 FM-AGC 1 0 0 SIF-AGC 3X8168 ED 12/14 November 02 E4 0 0 0 0 1 1 1 0 E3 1 1 1 1 0 1 1 0 E2 0 0 0 0 0 1 1 0 E1 0 1 1 1 1 0 0 0 E0 1 0 1 1 1 1 1 1 =[hex] 09 0A 0B 0B 13 1D 9D 81 Page: 8168ED01.DOC 8.3.1. I²C-bus sequence read Start Slave addr. Start Slave addr R/W Ack Ack not Stop R/W =1 Ack data Ack not Stop start condition. Slave address = 43[hex]. Read/Write bit: 0 = write to component; 1 = master reads from component. acknowledge, generated by the component acknowledge, generated by the master stop condition 8.3.2 Read data format Status register Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Power on reset 0 Normal operation 1 Power on reset AFC value AFC4 AFC3 AFC2 AFC1 CARRDET – FM carrier detection 0 FM carrier not detected 1 FM carrier detected VIFLEV - VIF level input 0 VIF low level 1 VIF high level AFCWIN - AFC window (Note 1) 0 Tuning out of window (+/- 1.6 MHz) 1 Tuning in window (+/- 1.6 MHz) Note1. If no IF input is applied, then bit AFCWIN = 1 due to the fact that the VCO is forced to the AFC window border for fast load-in behaviour. Automatic Frequency Control fVIF Versus f0 fVIF ≤ f0 – 187.5 kHz fVIF = f0 – 162.5 kHz fVIF = f0 – 137.5 kHz fVIF = f0 – 112.5 kHz fVIF = f0 – 87.5 kHz fVIF = f0 – 62.5 kHz fVIF = f0 – 37.5 kHz fVIF = f0 – 12.5 kHz fVIF = f0 + 12.5 kHz fVIF = f0 + 37.5 kHz fVIF = f0 + 62.5 kHz fVIF = f0 + 87.5 kHz fVIF = f0 + 112.5 kHz fVIF = f0 + 137.5 kHz fVIF = f0 + 162.5 kHz fVIF ≥ f0 + 187.5 kHz 3X8168 ED 13/14 November 02 AFC4 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 AFC3 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 AFC2 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 AFC1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 Page: 8168ED01.DOC 9. ESD Protection The frontend contains components that can be damaged by static discharge. Observe these precautions: Ground yourself before handling the frontend. Do not touch the frontend connector pins without ESD protection. NAME J. Kreil DATE 07.November 2002 REV.: 01 FÄM.- NO. DATE 07.11.2002 NAME J. Kreil SIGNATURE 3X8168 ED 14/14 November 02 Page: 8168ED01.DOC